STRATFORD-WANGANUI AND BUNNYTHORPE-WANGANUI LINES NEEDS IDENTIFICATION WITH LONG LIST OF OPTIONS JULY 2009 REPORT NO: NP437 PREPARED BY: JULIA TING REVIEW BY: TEAM LEADER: STEPHEN LEONG GROUP MANAGER: GRAEME ANCELL FILE:
STRATFORD-WANGANUI AND BUNNYTHORPE-WANGANUI LINES
NEEDS IDENTIFICATION WITH LONG LIST OF OPTIONS
JULY 2009
REPORT NO: NP437
PREPARED BY: JULIA TING
REVIEW BY:
TEAM LEADER: STEPHEN LEONG
GROUP MANAGER: GRAEME ANCELL
FILE:
Contents
TABLE OF CONTENTS
Executive Summary .........................................................................................................................III 1 Introduction................................................................................................................................1
1.1 Background................................................................................................................... 1 1.2 Scope............................................................................................................................ 1
2 The Regional Network...............................................................................................................2 3 Assumptions ..............................................................................................................................6
3.1 Demand Forecast ......................................................................................................... 6 3.2 Generation .................................................................................................................... 6 3.3 Transmission Development .......................................................................................... 6 3.4 Planning Criteria ........................................................................................................... 6 3.5 Voltage Support ............................................................................................................ 7 3.6 Slack Bus...................................................................................................................... 7 3.7 Planning Horizon .......................................................................................................... 7
4 The Analysis...............................................................................................................................8 4.1 Base Case .................................................................................................................... 8 4.2 Sensitivity Analysis ....................................................................................................... 8
5 The Results ................................................................................................................................9 5.1 Base Case .................................................................................................................... 9 5.1.1 110 kV HWA-SFD-1 circuit ........................................................................................... 9 5.1.2 110 kV HWA-WVY-1 and WGN-WVY-1 circuits......................................................... 10 5.1.3 110 kV BPE-MTN-WGN 1 & 2 circuits........................................................................ 10 5.2 Possible Future Development .................................................................................... 11 5.2.1 Duplexing the 220 kV BPE-SFD circuits..................................................................... 11 5.2.2 135 MW Wind Farm near Waverley ........................................................................... 11
6 Long List of Options................................................................................................................13 7 Conclusions .............................................................................................................................14 Appendix A Summary of the 110 kV Conductor Assessment Reports ................................15 Appendix B Modern Equivalent Conductor.............................................................................16 Appendix C Demand Forecast and Diversity Factors ............................................................17 Appendix D DigSilent Simulation Results ...............................................................................18
Executive Summary
Executive Summary Condition assessment of the 110 kV lines between Stratford and Bunnythorpe indicates that the conductors are at the end of their useful life. The 110 kV lines supply four grid exit points (Hawera, Waverly, Wanganui and Marton) and connect two power stations (Patea and Whareroa).
This document investigates options for supplying the grid exit points and power stations connected between Stratford and Bunnythorpe including options for replacement conductors on the existing lines. Many of these options involve enhancing transmission capacity or reconfiguration of the grid, and as such, fall under the Part F processes of the Electricity Governance Rules. The analysis does not consider 110 kV voltage issues.
Power transfer from the Taranaki region to the south on the 220 kV circuits between Stratford and Bunnythorpe is limited by the need to avoid the parallel 110 kV circuits between Stratford and Bunnythorpe overloading following the loss of the 220 kV circuits. The critical 110 kV circuit is the circuit between Stratford and Hawera. The rating of this circuit effectively determines how much power can be transferred on the 220 kV circuits before additional measures are needed. These measures include the insertion of a series reactor in the Hawera-Waverly circuit and the arming of an Automatic Bus Splitting Scheme (ABSS) at Hawera which, following the loss of a parallel 220 kV circuit, will split the 110 kV bus at Hawera thus relieving the loading on the Hawera-Stratford circuit.
Provided the ABSS and Hawera reactor are available, the capacity of the existing 110 kV circuits between Stratford and Bunnythorpe is sufficient to meet the 20 year load forecast. Coordination with Hawera generation and load management at the grid exit points will be required under certain outage conditions.
This analysis assumes the ABSS is not armed so that the required capability of the Hawera-Stratford circuit can be determined in the absence of the ABSS. For the same reason, the Hawera reactor is not assumed to be available in the analysis for some cases. In practice, the reactor and ABSS will be used as required to maximise south flow. To remove the need for the ABSS and Hawera reactor, the 110 kV Stratford-Hawera circuit would need a summer rating of 93 MVA in 2010 rising to 103 MVA in 2030 without constraining the 220 kV power transfer.
The Stratford-Hawera circuit does not have sufficient capacity (51/62 summer/winter rating) to meet peak demand at Hawera and Waverly (56 MW and 4 MW respectively in 2010) following the outage of the 110 kV Wanganui-Waverly circuit unless some generation is available at Hawera. The circuit’s capacity would need to be increased to a summer rating of 72 MVA to ensure that Hawera and Waverley loads can be supplied when there is no generation at Hawera.
The Hawera-Waverley and Waverley-Wanganui circuits do not have sufficient capacity (51/62 summer/winter rating) to meet peak demand at Hawera (56 MW in 2010) following the outage of the Stratford-Hawera 110 kV circuit unless some generation is available at Hawera. This loading can be managed through constraining on generation at Hawera or through pre or post contingency load management at Hawera if circuit capacity is not increased. The circuits’ capacity would need to be increased to summer ratings of 86 MVA and 88 MVA respectively in 2030 to ensure that Hawera and Waverley loads can be supplied when there is no generation at Hawera.
The Bunnythorpe-Marton-Wanganui circuits have sufficient capacity to meet the load demand up to 2030 under normal operating condition. At times, planned outages may need to be coordinated with Hawera generation to avoid overloading on the Bunnythorpe-Marton-Wanganui circuits.
Future development in the Taranaki region such as duplexing the 220 kV Brunswick-Stratford circuits and 135 MW wind farm connection at Waverley would require larger capacity conductor from Hawera to Wanganui and increasing conductor capacity between Wanganui to Bunnythorpe to:
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. III
Executive Summary
• enable maximum power transfer; and • enable unconstrained dispatch of possible wind generation and Hawera
generation.
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. IV
Chapter 1 : Introduction
1 Introduction
1.1 Background
In 2008 Transpower commissioned two reports that identified that the condition of the conductor on the 110 kV circuits between Bunnythorpe and Stratford were degraded to the extent that they meet the condition assessment replacement criteria with modern equivalent conductor by 2009 (See Appendix A for more details).
Transpower’s general policy (TP.GL 03.02 Issue 1 1/Oct/2001) is to replace copper conductor on a transmission line with the closest modern equivalent conductor (See Appendix B for a list of modern equivalent conductors). In this case, the:
• copper conductor between Stratford and Wanganui would be replaced with a ‘modern equivalent aluminium conductor’ such as Coyote, providing a 6 MVA increase in capacity; and
• the ACSR-GZ wolf conductor between Bunnythorpe and Wanganui would be replaced with modern ACSR-AC wolf conductor, providing a 2.5 MVA increase in capacity.
Just replacing the conductors with their modern equivalents may not be sufficient, as there are existing constraints on these circuits and more capacity may be required in the future.
1.2 Scope
This report only addresses the thermal issues on the Taranaki 110 kV transmission circuit between Stratford and Bunnythorpe. The scope of this investigation is to:
• confirm there is a need to increase the Taranaki 110 kV conductors to maximise the south and north power transfer, whilst meeting the expected load and generation demands for the foreseeable future;
• investigate an appropriate capacity for the replacement conductor; and • identify a list of options that Transpower considers could be reasonably
implemented within the required timeframe.
Not in scope:
The following issues will not be addressed in this report: • voltage issues and reactive requirements. This report assumed an infinite static
VAR compensator on the Hawera 110 kV bus for reactive support to maintain Hawera 110 kV bus voltage at 1.00 p.u; and
• overloading of the interconnecting transformers at Stratford and Bunnythorpe. South or north power transfer through the Taranaki 110 kV circuits may overload the interconnecting transformers at Stratford and Bunnythorpe. This report assumes the interconnecting transformers would be replaced by larger capacity units as required.
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 1
Chapter 2 : The Regional Network
2 The Regional Network The Taranaki regional network is shown geographically and schematically in Figure 2-1 and
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 2
Chapter 2 : The Regional Network
Figure 2-2.
Figure 2-1: Taranaki 220 kV and 110 kV network
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 3
Chapter 2 : The Regional Network
Figure 2-2 Taranaki 220 kV and 110 kV schematic
110 kV
110 kV
110 kV
110 kV
110 kV
110 kV
110 kV
110 kV
220 kV
220 kV
33 kV
110 kV
Taranaki Combined
Cycle
33 kV
11 kV
Patea Whareroa
33 kV
33 kV33 kV
33 kV
33 kV
110kV CIRCUIT
50/66kV CIRCUIT
SUBSTATION BUS
TRANSFORMER
TEE POINT
KEY
220kV CIRCUIT
LOAD
CAPACITOR
New Plymouth
11 kVMoturoa
Carrington Street Huirangi
Motunui
Opunake
Kapuni
Stratford
Hawera
Waverley33 kV
Wanganui
110 kV
220 kV
33 kV
Brunswick
55 kV
220 kV
Taumarunui
WaikatoHuntly Te Kowhai
Mangahao
110 kV
220 kV
HaywardsWilton/Linton
110 kV
55 kV(NZR)
33 kV33 kV
Marton
BunnythorpeMataroa
WhakamaruTangawai
The transmission network between Bunnythorpe and Stratford consists of: • three 220 kV circuits between Brunswick and Stratford and two 220 kV circuits
between Brunswick and Bunnythorpe; in parallel with • one 110 kV circuit between Stratford and Wanganui and two 110 kV circuits
between Bunnythorpe and Wanganui.
The circuit details are provided in Table 2-1.
Table 2-1: Details of circuits between Bunnythorpe and Stratford
Line Circuit Conductor Conductor Rating
Summer Winter
Brunswick-Stratford-A 220 kV BRK-SFD-1 Zebra ACSR-GZ @ 50oC 239MVA, 627A 291MVA, 764A
Brunswick-Stratford-A 220 kV BRK-SFD-2 Zebra ACSR-GZ @ 49oC 232MVA, 609A 286MVA, 751A
Brunswick-Stratford-B 220 kV BRK-SFD-3 Zebra ACSR-GZ @ 50oC 239MVA, 627A 291MVA, 764A
Brunswick-Bunnythorpe-A 220 kV BPE-BRK-1 Duplex Zebra ACSR-GZ @ 75 oC 694MVA, 1822A 764MVA, 2006A1
Brunswick-Bunnythorpe-A 220 kV BPE-BRK-2 Duplex Zebra ACSR-GZ @ 75 oC 694MVA, 1822A 764MVA, 2006A1
Wanganui-Stratford-A 110 kV HWA-SFD-1 Cu 19/2.34 @ 50oC 51MVA, 268A 62MVA, 325A
Wanganui-Stratford-A 110 kV HWA-WVY-1 Cu 19/2.34 @ 50oC 51MVA, 268A 62MVA, 325A
Wanganui-Stratford-A 110 kV WGN-WVY-1 Cu 19/2.34 @ 50oC 51MVA, 268A 62MVA, 325A
Bunnythorpe-Wanganui-B 2 110 kV BPE-MTN-WGN-1&2 Wolf ASCR-GZ @ 50oC 63MVA, 331A 77MVA, 404A
1 The circuit’s winter capacity is presently limited by bus section rating of 1870A. 2 The circuits between Bunnythorpe and Wanganui do not have circuit breaker protection at Marton. This means that any maintenance on
the line takes out the whole circuit from Bunnythorpe to Marton and on to Wanganui.
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 4
Chapter 2 : The Regional Network
The existing low capacity 110 kV circuits constrain south power flow along the parallel 220 kV circuits between Bunnythorpe and Stratford during an outage of one of the 220 kV circuits. To relieve, but not eliminate this constraint, at Hawera there is:
• a 77 mH series reactor in the 110 kV HAW-WVY-1 circuit to limit through transmission along the 110 kV circuits, increasing the 220 kV transfer by about 25%; and
• an automatic bus splitting scheme to stop through transmission on the 110 kV circuits for an outage on the parallel 220 kV circuits between Bunnythorpe and Stratford. Patea and the Hawera 33 kV load will be connected only to the 110 kV Hawera–Stratford circuit. Whareroa and Kupe will be connected only to the 110 kV Hawera–Waverley circuit.
The upgrade of the HVDC link in 2012 will cause more power to flow through the North Island 220 kV grid backbone. The full south/north flow capacity of the HVDC link upgrade may not be able to be fully utilised due to the existing constraints caused by the 110 kV network on the 220 kV network between Bunnythorpe and Stratford (south transfer) and Tokaanu-Whakamaru (north transfer).
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 5
Chapter 3 : Assumptions
3 Assumptions
3.1 Demand Forecast
This study uses the 2009 APR ADMD demand forecast version 7, customised with the ‘prudent demand forecast’ from Covec for the Taranaki region.
Table 3-1 lists the peak demand forecast (prudent growth) used in this study for the grid exit points between Bunnythorpe and Stratford.
Table 3-1: Demand forecast of the grid exit points between Bunnythorpe and Stratford
Grid Exit Point Peak Demand (MW)
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
Brunswick 37.9 38.5 39.0 39.6 40.2 40.8 41.4 42.1 42.7 43.3 44.0
Hawera 44.2 45.3 46.4 47.6 48.7 49.9 51.1 52.3 53.5 54.2 54.8
Hawera (Kupe) 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2
Marton 15.5 15.6 15.7 15.8 15.9 16.1 16.2 16.3 16.4 16.5 16.7
Wanganui 45.4 48.2 50.2 52.2 53.6 54.4 55.0 55.7 56.3 56.8 57.2
Waverley 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.9 5.0
See Appendix C for the complete 30 year forecast (including power factors and diversity factors).
3.2 Generation
This investigation assumes: • generation fed into the grid at Stratford 220 kV (existing 360 MW and committed
200 MW peaking plant scheduled for commission in 2010) is available for both high north/south power flows and winter/summer scenarios.
• Patea (hydro – 32 MW) and Whareroa (co-generation – 50 MW) not generating but only providing voltage support for both high north/south power flows and winter/summer scenarios.
3.3 Transmission Development
The transmission development plan adopts the future reinforcement and grid upgrade plan based on 2009 Annual Planning Report up to year 2011 for the North Island.
This investigation assumes: • Hawera reactor is in service for high south power transfer; and • automatic bus splitting scheme (ABSS) is taken out of service.
3.4 Planning Criteria
This analysis assumes the transmission lines are limited to 100% of their respective winter and summer conductor thermal ratings (unless otherwise stated) with no short term overload capability.
Issues relating to the overloading of the interconnecting transformers at Stratford and Bunnythorpe and supply transformers are not dealt with in this report.
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Chapter 3 : Assumptions
3.5 Voltage Support
This analysis: • assumes Patea and Whareroa are able to provide reactive support with zero
power output; and • models an infinite static VAR compensator on the Hawera 110 kV bus for reactive
support to maintain Hawera 110 kV bus voltage at 1.00 p.u.
3.6 Slack Bus
A slack bus was placed at Stratford 220 kV bus to simulate high south power transfer through the 220 kV Taranaki network.
High HVDC transfer from South Island is used to simulate high north transfer through the North Island 220 kV grid backbones.
3.7 Planning Horizon
The analysis was carried out for year 2010, 2020 and 2030.
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Chapter 4 : The Analysis
4 The Analysis
4.1 Base Case
The investigation is carried out based on the assumptions made (Section 3) for the existing and committed system configurations. The study is carried out for maximum south and north power transfer. Maximum power transfer is defined as the maximum pre-contingency loading on the 220 kV circuits between Bunnythorpe and Stratford (south transfer) and Tokaanu and Whakamaru (north transfer) to avoid circuit overload post contingency. The study looked into a single credible contingency event on the Taranaki 110 kV network and carried out for both winter and summer demand forecast scenarios.
4.2 Sensitivity Analysis
This investigation will check the sensitivity of the conclusion to some possible system configuration changes.
Possible future generation and transmission developments that may affect power flow through the transmission circuits between Bunnythorpe and Stratford include:
• duplexing of the 220 kV Brunswick-Stratford circuits (see Chapter 7 of the 2009 Annual Planning Report for more details). This would also increase the through power flow along the parallel 110 kV circuits; and
• a 135 MW wind farm near Waverley. The maximum generation from this wind farm would exceed the capacity of the existing 110 kV circuits.
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 8
Chapter 5 : The Results
5 The Results This section describes the results of the power flow analysis. See Appendix D for the simulation diagrams.
5.1 Base Case
The investigation was carried out using the existing conductor type stated in Table 2-1. The assumptions made for the existing and committed system configuration up to 2030 is listed in Section 3.
5.1.1 110 kV HWA-SFD-1 circuit (see Appendix D.1 for the simulation diagrams)
Constrain the Maximum Power Transfer on 220 kV Circuits
With no Hawera generation, the existing 110 kV HWA-SFD-1 circuit (summer/winter circuit rating of 266/352A) constrains the maximum south and north power transfer on the 220 kV circuits from summer 2010. Table 5-1 shows the loading on the 110 kV HWA-SFD-1 circuit for 220 kV maximum south and north power transfer for 2010, 2020 and 2030 under:
• normal operating conditions; • an outage of the 220 kV BRK-SFD (south flow) or 220 kV TKU-WKM (north flow)
circuits; • Hawera reactor is bypassed during maximum south power transfer.
Table 5-1: 110 kV HWA-SFD loading (A)
Maximum South Flow Maximum North Flow
Summer Winter Summer Winter Contingency
2010 2020 2030 2010 2020 2030 2010 2020 2030 2010 2020 2030
Normal 452 478 505 478 509 536 296 351 377 287 346 370
220 kV outage 488 514 541 521 554 581 288 344 369 278 337 362
Reactor Bypassed 489 510 538 524 548 575
Thermal Issues
With no Hawera generation, the 110 kV HWA-SFD-1 circuit will overload from 2010 for an outage of either:
• 110 kV HWA-WVY-1; or • 110 kV WGN-WVY-1; or • 110 kV BPE-MTN-WGN.
The percentage overload on the 110 kV HWA-SFD-1 circuit due to the outage of either one of the 110 kV BPE-MTN-WGN circuits is greatest during high south power transfer. The results are shown in Table 5-2.
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Chapter 5 : The Results
Table 5-2: Loading on 110 kV HWA-SFD-1 during an outage of either one of the 110 kV BPE-MTN-WGN-1 & 2 circuits
Loading on 110 kV HWA-SFD-1 (%, A)
South Flow North Flow Year
Summer Winter Summer Winter
2010 173%, 459A 147% 477A 125%, 331A <100%
2020 186%, 495A 159%, 518A 148%, 393A 118%, 383A
2030 198%, 526A 169%, 548A 159%, 423A 127%, 413A
Results
These results show that a modern equivalent conductor would not provide sufficient capacity on the 110 kV HWA-SFD-1 circuit. The replacement conductor would require a summer rating of at least 489 A such as Nobelium @ 50oC, Wolf @ 75oC or Coyote @ 90oC under the worst contingency conditions in the very near future.
5.1.2 110 kV HWA-WVY-1 and WGN-WVY-1 circuits (see Appendix D.2 for the simulation diagrams)
Under normal operating condition with maximum 220 kV power transfer and no Hawera generation, the loading on the 110 kV HWA-WVY-1 and WGN-WVY-1 circuits are within their existing conductor thermal limits.
Thermal Issues
With no Hawera generation, an outage of the 110 kV HWA-SFD-1 circuit will overload the HWA-WVY-WGN circuit from 2010. The percentage overload based on the existing circuits’ rating is shown in Table 5-3.
Table 5-3: 110 kV HWA-WVY-WGN loading during an outage of 110 kV HWA-SFD circuit
% Overload, Loading (A)
Summer Winter Circuit
2010 2020 2030 2010 2020 2030
HWA-WVY-1 132%, 351A 149%, 397A 169%, 450A 102%, 332A 131%, 426A 149%, 484A
WGN-WVY-1 137%, 361A 155%, 410A 176%, 464A 106%,342A 136%, 437A 154%, 496A
Results
These results show that a modern equivalent conductor would not provide sufficient capacity on the 110 kV HWA-WVY-1 and WGN-WVY-1 circuits. A replacement conductor such as Nobelium @ 50oC, Wolf @ 75oC or Coyote @ 90oC would provide sufficient capacity under the worst contingency condition up to year 2030.
5.1.3 110 kV BPE-MTN-WGN 1 & 2 circuits (see Appendix D.3 for the simulation diagrams)
Under normal operating condition with maximum 220 kV power transfer and no Hawera generation, the loading on the 110 kV BPE-MTN-WGN 1 & 2 circuits are within their existing conductor thermal limits.
Thermal Issues
An outage of either one of the existing 110 kV BPE-MTN-WGN 1 & 2 circuits would not cause the other circuit to overload within the study horizon. However, with no Hawera generation and an outage of 110 kV HWA-SFD-1, the 110 kV Bunnythorpe-Marton 1 & 2 section will overload in summer from 2020.
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Chapter 5 : The Results
Table 5-4: Summer loading on BPE-MTN 1 & 2 section during an outage of 110 kV HWA-WVY circuit
Circuit 2010 2020 2030
BPE-MTN-1 & 2 <100% 106%, 353A 117%, 390A
Results
Replacement with a ‘like for like’ modern ACSR-AC wolf conductor for the 110 kV BPE-MTN-WGN 1 & 2 circuits would provide sufficient capacity with co-ordination from Hawera generation under the worst contingent event.
5.2 Possible Future Development
This investigation was carried out to check the sensitivity of the Base Case conclusions to some possible system configuration changes.
5.2.1 Duplexing the 220 kV BPE-SFD circuits (see Appendix D.4 for the simulation diagrams)
Duplexing the 220 kV BPE-SFD circuits would increase the maximum pre-contingency south transmission transfer limit between Bunnythorpe and Stratford from 577 MVA to 713 MVA. This inevitably increases the transfer through the 110 kV circuits between Stratford and Bunnythorpe. A bigger conductor is required on the 110 kV circuits from Stratford to Wanganui to remove the 110 kV constraints should the 220 kV transfer limit increase. Table 5-5 gives an indication of the loading on 110 kV circuits from Stratford to Bunnythorpe with and without duplexing the 220 kV BRK-SFD circuits for maximum south flow in summer 2020.
Table 5-5: Loading on the Taranaki 110 kV circuits with Duplexing of 220 kV BRK-SFD Circuits
Circuits Loading for Maximum South Flow – Summer 2020
Circuit Base Case with Duplexing 220 kV BRK-SFD circuits
HWA-SFD 478A 582A
HWA-WVY 142A 239A
WGN-WVY 126A 221A
BPE-MTN-WGN 123A 80A
5.2.2 135 MW Wind Farm near Waverley (see Appendix D.4 for the simulation diagrams)
A possible 135 MW wind farm at Waverley would reduce the loading on the 110 kV HWA-SFD-1 circuit under normal operating conditions. The loss of WVY-WGN-1 circuit would require HWA-SFD-1 circuit capacity of more than 1.5 times its base case rating to enable full dispatch of the proposed wind generation and Hawera generation (see Table 5-6). The possible wind farm connection would require a higher capacity conductor from Hawera to Wanganui and increasing conductor capacity between Bunnythorpe and Wanganui without constraining generation dispatch at Waverley and Hawera in the following situations:
• with maximum 220 kV south and north power transfer; and • under a contingent event, for an outage of either:
HWA-WVY-1 circuit; or WGN-WVY-1 circuit; or either one of the BPE-MTN-WGN 1 & 2 circuits.
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Chapter 5 : The Results
Table 5-6 compares the loading on the 110 kV circuits between Bunnythorpe and Stratford for maximum south and north power transfer for summer 2020 in the base case with:
• a possible 135 MW wind farm at Waverley; and • duplexing of 220 kV Brunswick-Stratford circuits.
Table 5-6 also shows the maximum loading on the 110 kV circuits between Bunnythorpe and Stratford under a worst single contingent event after the connection of Waverley wind farm.
Table 5-6: The Taranaki 110 kV circuits Loading (2020 summer rating) - Base Case versus Future Development
with Duplexing 220 kV BRK-SFD circuits
and Proposed Wind Generation
Circuit Base Case Normal Operation with No Hawera
Generation
Normal Operation with Maximum
Hawera Generation
Maximum Circuit Loading under a Single Contingent Event with Maximum
Hawera Generation
South Flow
North Flow
South Flow
North Flow
South Flow
North Flow Loading Event
HWA-SFD 478A 351A 279A 44A 83A 308A 806A Loss of WVY-WGN-1
HWA-WVY 142A 22A 52A 319A 26A 207A 648A Loss of WVY-WGN-1
WGN-WVY 126A 7A 622A 327A 693A 439A 746A Loss of HWA-SFD-1
BPE-MTN-WGN 123A 166A 224A 82A 259A 137A 450A Loss of BPE-MTN-WGN-1
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 12
Chapter 6 : Long List of Options
6 Long List of Options This section provides a long list of transmission options for the 110 kV transmission lines between Bunnythorpe and Stratford, including those received during consultation. Transpower considers all these options could be reasonably implemented within the required timeframe (i.e. in 2009):
• reconductor the transmission lines with a “like-for-like” modern replacement conductor;
• reconductor the transmission lines with a higher capacity conductor, using a simplex configuration;
• reconductor the transmission lines with a higher capacity conductor, using a duplex configuration;
• convert the 110 kV transmission lines to 220 kV; • decommission the Wanganui-Waverley section and reconductor the remaining
sections; • decommission the Hawera-Waverley section and reconductor the remaining
sections; • decommission the Hawera-Marton sections, reconductor the remaining sections,
and establish 220/110 kV interconnections at Waverley and Wanganui to the Brunswick-Stratford A 220 kV line;
• decommission the Hawera-Wanganui section, reconductor the remaining sections, and establish a 220/110 kV interconnection at Waverley to the Brunswick-Stratford A 220 kV line;
• for the Bunnythorpe-Wanganui B line, consider reconductoring with: like-for-like; and like-for-like on one circuit and higher capacity conductor on the other
circuit • for options which reduce Hawera to “n” security, consider:
building a new 110 kV single circuit transmission line between Stratford and Hawera to provide “n-1” to Hawera; or
building a new 110 kV double circuit transmission line between Stratford and Hawera and decommission the existing line to provide “n-1” security to Hawera.
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 13
Chapter 7 : Conclusions
7 Conclusions Table 7-1 summarises the loading on the Taranaki 110 kV circuits between Stratford and Bunnythorpe under:
• normal operating conditions; and • worst contingent event.
Table 7-1: 2010 and 2030 Taranaki 110 kV Circuit Loading for Maximum Power Transfer: Base Case – Normal Operating Condition versus n-1 Contingent Event
Circuit
Existing Conductor Rating
(Summer/Winter) MVA Amps
2010 - Loading for Normal Operating
Condition (Summer/Winter) MVA Amps
2010 - Maximum Loading under n-1 (Summer/Winter) MVA Amps
2030 - Loading for Normal Operating
Condition (Summer/Winter) MVA Amps
2030 - Maximum Loading under n-1 (Summer/Winter) MVA Amps
HWA-SFD 51/62 266/325 86/91 452/478 93/100 489/524 96/102 505/536 103/111 541/581
HWA-WVY 51/62 266/325 28/35 146/182 67/63 351/332 26/33 138/173 86/92 450/484
WGN-WVY 51/62 266/325 25/32 131/167 69/65 361/342 23/30 119/156 88/95 464/496
WGN-MTN 63/77 333/406 19/17 99/88 50/47 262/246 26/23 138/119 66/66 348/347
BPE-MTN 63/77 333/406 26/24 135/128 57/54 298/286 34/32 180/167 74/75 390/395
The analysis concludes that:
• 110 kV Hawera-Stratford-1 circuit would require higher capacity than the modern equivalent of the existing conductors to enable maximum 220 kV power transfer. It requires a conductor with minimum summer rating of 489 A.
The loading on this circuit is dependent on the future development in the Taranaki region. Duplexing the 220 kV Brunswick-Stratford circuits would require higher conductor capacity for 110 kV Hawera-Stratford-1 circuit for the maximum 220 kV south transfer. New wind generation connection at Waverley would reduce the loading of the 110 kV Hawera-Stratford-1 circuit under normal system operation. The worst single contingency event would require minimum summer conductor rating of 806 A to allow full generation dispatch from the proposed wind farm and Hawera generation.
• 110 kV Hawera-Waverley-1 and Waverley-Wanganui-1 circuits would require higher capacity than the modern equivalent of the existing conductors:
to supply the load demand at Hawera and Waverley for an outage of the 110 kV Hawera-Stratford-1 circuit; and
if a 135 MW wind farm at Waverley becomes a committed project.
• a modern equivalent conductor (such as Wolf) is adequate for the 110 kV Bunnythorpe-Marton-Wanganui 1 and 2 circuits. In some cases, planned outages may need to be coordinated with Hawera generation to avoid overloading of these circuits.
There is a need to upgrade the 110 kV Bunnythorpe-Marton-Wanganui 1 & 2 conductors if the connection of a 135 MW wind farm at Waverley is committed. This is to remove the thermal overload issue on the 110 kV BPE-MTN-WGN circuit when the other circuit is on outage and to avoid constraining the Hawera generation.
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 14
Appendix A
Appendix A – Summary of the 110 kV Conductor Assessment Reports
In 2008 Transpower commissioned two reports that identified that the condition of the conductor on the 110 kV circuits between Bunnythorpe and Stratford were degraded to the extent that they required replacement with modern equivalent conductor by 2009. The highlights of the condition assessment reports are summarised below.
The WGN-SFD A line conductor assessment report by Mike Taylor of Linetech Consulting of 4 May 2008 (copy attached) refers to:
• Conductor samples from the WGN-SFD A line to be at and beyond Transpower replacement criteria in 2003,
• In 2004 Engineer Services concluded that re-conductoring could be deferred until 2009, and
• Conductor samples from 2007 were found to be further degraded than the 2003 samples. Conductor diameters in some locations have reduced so much that special joints are now required for jointing.
The BPE-WGN B line conductor assessment report by Mike Taylor of Linetech Consulting of 4 May 2008 (copy attached) refers to:
• The conductor on the BPE-WGN B line was found to be at and beyond Transpower replacement criteria following aerial surveys in 2006,
• The summary of corrosion sites on the BPE-MTN section counts 71 defects. 54 of these defects were proposed to not be repaired as the 're-conductoring project is imminent', and
The summary of corrosion sites on the MTN-WGN section counts 124 defects. 104 of these defects were proposed to not be repaired as the 're-conductoring project is imminent'.
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 15
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 16
Appendix B – Modern Equivalent Conductor Copper circuits are not replaced with more copper as a general policy of Transpower’s (see TP.GL 03.02 Issue 1 1/Oct/2001).
The copper conductor of the 110 kV line between Stratford and Wanganui is 19/2.34 with a winter current rating of 325 amps. Therefore the copper circuits from Stratford to Wanganui would generally be replaced with a ‘modern equivalent’ aluminium conductor e.g. Coyote ACSR-AC.
The conductors in Table B-1 are sorted in order of decreasing resistance and show where the copper conductors sit next to their approved aluminium counterparts.
Because the 110 kV lines run along the coast it has also been suggested that the ‘all aluminium’ AAAC should be considered as they are not so susceptible to coastal corrosion (the steel core rusting out) as are the ‘aluminium core steel reinforced’ ACSR conductors.
Table B-1: Transmission conductors ranked by resistance.
Appendix B
Winter/Summer @ 50oC
Winter/Summer @ 75°C
Winter/Summer @ 90°C
Conductor Type DC ohm/km
diameter (mm) GMR A MVA A MVA A MVA
mink acsr-gz gz 0.45354 11.0 4.5 223/182 43/35 291/264 56/50 322/299 61/57
mink acsr-ac ac 0.42948 11.0 4.5 229/188 44/36 299/271 57/52 331/307 63/59
dog acsr-gz gz 0.27271 14.2 5.8 309/253 59/48 404/367 77/70 447/416 85/79
Cu 7/3.45 cu 0.27260 10.4 3.8 283/232 54/44 370/336 71/64 410/381 78/73
hyena acsr-gz gz 0.27042 14.6 6.0 313/256 60/49 409/371 78/71 453/421 86/80
hyena acsr-ac ac 0.25398 14.6 6.0 323265 62/50 422/383 81/73 468/434 89/83
weke AAC 1350 aaac 0.23407 14.2 5.1 334/273 64/52 436/396 83/75 483/449 92/86
Cu 19/2.34 cu 0.22190 11.7 4.4 325/266 62/51 425/385 81/73 471/437 90/83
coyote acsr-gz gz 0.21888 15.9 6.6 357/292 68/56 467/424 89/81 517/480 99/92
coyote acsr-ac ac 0.20820 15.9 6.6 366/300 70/57 479/434 91/83 530/492 101/94
Cu 19/2.57 cu 0.18400 12.8 4.9 366/300 70/57 479/435 91/83 531/493 101/94
wolf acsr-gz gz 0.18257 18.1 7.5 406/333 77/63 531/482 101/92 589/547 112/104
wolf acsr-ac ac 0.16925 18.1 7.5 422/345 80/66 552/501 105/95 611/568 117/108
lutetium aaac aaac 0.16310 17.5 6.6 426/349 81/67 558/506 106/97 618/575 118/110
neon aaac 1120 aaac 0.14204 18.8 7.1 466/381 89/73 610/554 116/106 677/629 129/120
Nobelium aaac aaac 0.09738 22.8 8.7 595/488 113/93 781/709 149/135 866/805 165/153
goat acsr-gz gz 0.08898 26.0 10.7 647/530 123/101 848/770 162/147 940/874 179/167
Wolf ACSR-GZ (Aluminium Clad Steel Reinforced) conductors used between Bunnythorpe and Wanganui, were galvanised (GZ) but are now Aluminium Coated (ASCR-AC). As a fortuitous result there is a slight capacity increase e.g. 2.5 MVA.
Work done to date has identified conductor capacities up to that of Nobelium for the Taranaki copper replacement conductor. The above table shows Nobelium has additional capacity compared to the ‘modern equivalent’ conductor being roughly half the resistance per kilometre and having nearly twice the ampere rating of Cu 19/2.34. Therefore a full Grid Upgrade Plan (GUP) process would be required before using such conductor.
ppendix C
ds Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 17
Appendix C – Demand Forecast and Diversity Factors CODE POINT OF
SUPPLY Peak
Region PF
Peak Island
PF
Summer Island PF
Peak Region
Diversity
Peak Island
Diversity
Summer Peak
Diversity 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
BPE_33 Bunnythorpe 33kV 0.967 0.962 0.965 97.74% 91.62% 79.84% 91.8 96.4 97.5 99.2 106.0 107.0 107.4 107.7 109.1 110.5 111.9 113.0 114.2 115.3 116.4 117.5
BPE_55 Bunnythorpe NZR 0.933 0.980 0.959 21.58% 17.65% 27.40% 5.5 5.6 5.7 5.8 5.8 5.9 5.9 6.0 6.1 6.1 6.2 6.2 6.2 6.3 6.3 6.4
BRK Brunswick 0.949 0.951 0.944 76.77% 94.30% 79.00% 37.9 38.5 39.0 39.6 40.2 40.8 41.4 42.1 42.7 43.3 44.0 44.6 45.3 46.0 46.7 47.4
MTN Marton 0.966 0.968 0.961 99.63% 94.00% 88.33% 15.5 15.6 15.7 15.8 15.9 16.1 16.2 16.3 16.4 16.5 16.7 16.8 16.9 17.0 17.2 17.3
WGN Wanganui 0.954 0.959 0.945 66.13% 85.71% 76.14% 45.4 48.2 50.2 52.2 53.6 54.4 55.0 55.7 56.3 56.8 57.2 57.6 58.1 58.5 58.9 59.4
CST_33 Carrington St 33kV 0.944 0.953 0.946 95.92% 95.63% 82.10% 53.9 55.1 56.3 57.6 58.5 59.4 60.2 61.2 62.1 63.0 63.9 64.9 65.9 66.9 67.9 68.9
HUI Huirangi 0.902 0.910 0.899 89.61% 77.61% 82.46% 17.8 18.1 18.4 18.6 18.9 19.2 19.5 19.8 20.1 20.4 20.7 20.9 21.2 21.4 21.7 22.0
HWA_33/1 Hawera 0.943 0.956 0.977 92.21% 96.16% 94.00% 44.2 45.3 46.4 47.6 48.7 49.9 51.1 52.3 53.5 54.2 54.8 55.5 56.2 56.9 57.6 58.3
HWA_33/2 Hawera (Kupe) 0.943 0.956 0.977 92.21% 96.16% 94.00% 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2
MNI Motunui 1.000 1.000 1.000 21.48% 100.00% 100.00% 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0
MRA Moturoa 0.975 0.982 0.975 94.75% 95.51% 80.52% 20.2 20.7 21.3 21.9 22.5 23.1 23.7 24.3 25.0 25.5 26.0 26.5 27.0 27.6 28.1 28.7
OPK Opunake 0.921 0.978 0.960 57.29% 52.88% 58.91% 11.2 11.2 11.3 11.3 11.4 11.4 11.5 11.5 9.6 7.6 7.6 7.6 7.7 7.7 7.8 7.8
SFD_33 Stratford 33kV 0.935 0.959 0.936 92.97% 81.70% 84.95% 26.6 27.4 28.1 28.9 29.6 30.4 31.1 31.9 32.7 26.9 26.4 26.5 26.7 26.8 26.9 27.1
SFD_220 Stratford 220kV 0.935 0.959 0.936 50.00% 81.70% 84.95% 10.9 10.9 10.9 11.0 11.0 11.0 11.0 11.1 11.1 11.1 11.2 11.2 11.2 11.2 11.3 11.3
TMN Taumarunui NZR 0.933 0.980 0.959 21.58% 17.65% 27.40% 8.5 8.6 8.7 8.8 8.8 8.9 8.9 8.9 8.9 8.9 9.0 9.0 9.0 9.0 9.0 9.0
WVY Waverley 0.931 0.960 0.958 68.98% 84.64% 69.13% 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.9 5.0 5.0 5.1 5.1 5.2 5.2
CODE POINT OF SUPPLY
Peak Region
PF
Peak Island
PF
Summer Island PF
Peak Region
Diversity
Peak Island
Diversity
Summer Peak
Diversity 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040
A
Nee
BPE_33 Bunnythorpe 33kV 0.967 0.962 0.965 97.74% 91.62% 79.84% 118.7 119.9 121.0 122.2 123.4 124.6 125.8 127.0 128.2 129.5 130.8 132.1 133.4 134.7 136.0
BPE_55 Bunnythorpe NZR 0.933 0.980 0.959 21.58% 17.65% 27.40% 6.4 6.5 6.5 6.5 6.6 6.6 6.7 6.7 6.8 6.8 6.9 6.9 7.0 7.0 7.1
BRK Brunswick 0.949 0.951 0.944 76.77% 94.30% 79.00% 48.1 48.8 49.5 49.7 49.8 50.0 50.2 50.3 50.5 50.7 50.8 51.0 51.2 51.4 51.6
MTN Marton 0.966 0.968 0.961 99.63% 94.00% 88.33% 17.4 17.6 17.7 17.7 17.8 17.9 17.9 18.0 18.0 18.1 18.2 18.2 18.3 18.4 18.4
WGN Wanganui 0.954 0.959 0.945 66.13% 85.71% 76.14% 59.8 60.3 60.7 60.9 61.1 61.3 61.5 61.7 61.9 62.1 62.3 62.5 62.8 63.0 63.3
CST_33 Carrington St 33kV 0.944 0.953 0.946 95.92% 95.63% 82.10% 69.9 71.0 72.0 72.2 72.5 72.7 73.0 73.3 73.5 73.8 74.1 74.4 74.7 75.0 75.4
HUI Huirangi 0.902 0.910 0.899 89.61% 77.61% 82.46% 22.3 22.5 22.8 22.9 22.9 23.0 23.1 23.2 23.2 23.3 23.4 23.5 23.6 23.7 23.8
HWA_33/1 Hawera 0.943 0.956 0.977 92.21% 96.16% 94.00% 59.1 59.8 60.6 60.6 60.7 60.9 61.0 61.1 61.2 61.3 61.4 61.6 61.7 61.9 62.0
HWA_33/2 Hawera (Kupe) 0.943 0.956 0.977 92.21% 96.16% 94.00% 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2
MNI Motunui 1.000 1.000 1.000 21.48% 100.00% 100.00% 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0 11.0
MRA Moturoa 0.975 0.982 0.975 94.75% 95.51% 80.52% 29.2 29.8 30.4 30.5 30.6 30.7 30.8 30.9 31.0 31.1 31.2 31.3 31.5 31.6 31.7
OPK Opunake 0.921 0.978 0.960 57.29% 52.88% 58.91% 7.8 7.9 7.9 7.9 8.0 8.0 8.0 8.0 8.0 8.1 8.1 8.1 8.1 8.2 8.2
SFD_33 Stratford 33kV 0.935 0.959 0.936 92.97% 81.70% 84.95% 27.2 27.3 27.5 27.5 27.6 27.7 27.7 27.8 27.9 27.9 28.0 28.1 28.2 28.3 28.4
SFD_220 Stratford 220kV 0.935 0.959 0.936 50.00% 81.70% 84.95% 11.3 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4 11.4
TMN Taumarunui NZR 0.933 0.980 0.959 21.58% 17.65% 27.40% 9.0 9.0 9.1 9.1 9.1 9.2 9.2 9.3 9.3 9.3 9.4 9.4 9.5 9.5 9.6
WVY Waverley 0.931 0.960 0.958 68.98% 84.64% 69.13% 5.3 5.3 5.4 5.4 5.4 5.5 5.5 5.5 5.5 5.6 5.6 5.6 5.7 5.7 5.7
Appendix D
Appendix D – DigSilent Simulation Results
D.1 110 kV HWA-SFD-1 circuit South Flow
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 6/5/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
31.7km
27.9km
47.6km
35.4km
26.6km
SF10S N
2010 Summer - Maximum South FlowNormal Operating Condition
-82.3 MW35.5 Mvar170.4 %0.452 kA
0.0 MW0.0 Mvar
0.0 %0.000 kA
-11.4 MW-8.6 Mvar22.3 %
0.074 kA
-12.3 MW-8.8 Mvar23.7 %
0.079 kA
25.5 MW-0.4 Mvar49.2 %
0.131 kA
-5.4 MW-7.5 Mvar14.6 %
0.049 kA
-4.4 MW-7.3 Mvar13.4 %
0.045 kA
-0.0 MW20.5 Mvar22.3 %
0.103 kA
-0.0 MW10.4 Mvar11.7 %
0.052 kA
-28.3 MW-0.7 Mvar54.8 %
0.146 kA
30.2 MW2.7 Mvar51.0 %
0.078 kA
-30.1 MW-1.8 Mvar51.0 %
0.155 kA
1
30.2 MW2.7 Mvar51.0 %
0.078 kA
-30.1 MW-1.8 Mvar51.0 %
0.155 kA
1
30.2 MW2.7 Mvar51.0 %
0.078 kA
-30.1 MW-1.8 Mvar51.0 %
0.155 kA
1
-232.7 MW20.8 Mvar
33.0 %0.599 kA
235.3 MW-12.7 Mvar33.0 %
0.601 kA
168.3 MW2.9 Mvar67.1 %
0.421 kA
-164.9 MW4.0 Mvar67.1 %
0.421 kA
-28.
8 M
W-0
.5 M
var
29.2
%0.
146
kA
171.3 MW2.8 Mvar70.2 %
0.428 kA
-167.7 MW4.5 Mvar70.2 %
0.428 kA
171.3 MW2.8 Mvar68.3 %
0.428 kA
-167.7 MW4.5 Mvar68.3 %
0.428 kA
-232.2 MW20.7 Mvar
32.9 %0.597 kA
234.8 MW-12.7 Mvar32.9 %
0.600 kA
-0.0 MW20.5 Mvar22.3 %
0.103 kA
100.1 MW-0.2 Mvar70.5 %
0.250 kA
-99.8 MW5.8 Mvar70.5 %
0.500 kA
-0.0
MW
0.0
Mva
r70
.5 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220226.32 kV1.03 p.u.
BPE/BPE110112.32 kV1.02 p.u.
BPE/BPE220225.36 kV1.02 p.u.
PTA_110115.50 kV1.05 p.u.
MTN_110_2 MTN_110_1
WVY/WVY110112.19 kV1.02 p.u.
WGN/WGN110109.83 kV1.00 p.u.
WAA/WAA110114.86 kV1.04 p.u.
HWA/HWA110114.49 kV1.04 p.u.
SFD/SFD110115.48 kV1.05 p.u.
SFD/SFD220231.00 kV1.05 p.u. D
IgSI
LEN
T
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 6/5/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
31.7km
27.9km
47.6km
35.4km
26.6km
SF10S oR
2010 Summer - Maximum South FlowReactor Bypassed
-88.8 MW38.8 Mvar184.3 %0.489 kA
35.3 MW-1.1 Mvar
0.0 %0.178 kA
-8.4 MW-9.9 Mvar20.4 %
0.068 kA
-9.3 MW-10.2 Mvar21.7 %
0.072 kA
31.7 MW-2.6 Mvar61.5 %
0.164 kA
-2.5 MW-8.9 Mvar14.6 %
0.049 kA
-1.4 MW-8.6 Mvar13.9 %
0.046 kA
-0.0 MW20.5 Mvar22.3 %
0.103 kA
-0.0 MW10.8 Mvar12.1 %
0.054 kA
-34.6 MW1.5 Mvar67.1 %
0.178 kA
28.3 MW3.4 Mvar48.0 %
0.073 kA
-28.2 MW-2.6 Mvar48.0 %
0.146 kA
1
28.3 MW3.4 Mvar48.0 %
0.073 kA
-28.2 MW-2.6 Mvar48.0 %
0.146 kA
1
28.3 MW3.4 Mvar48.0 %
0.073 kA
-28.2 MW-2.6 Mvar48.0 %
0.146 kA
1
-230.1 MW19.8 Mvar
32.6 %0.592 kA
232.7 MW-12.3 Mvar32.6 %
0.594 kA
166.5 MW2.7 Mvar66.4 %
0.416 kA
-163.1 MW3.7 Mvar66.4 %
0.416 kA
-0.0
MW
-0.0
Mva
r0.
0 %
0.00
0 kA
169.4 MW2.6 Mvar69.4 %
0.423 kA
-165.9 MW4.2 Mvar69.4 %
0.423 kA
169.4 MW2.6 Mvar67.5 %
0.423 kA
-165.9 MW4.2 Mvar67.5 %
0.423 kA
-229.7 MW19.8 Mvar
32.5 %0.591 kA
232.2 MW-12.3 Mvar32.5 %
0.593 kA
-0.0 MW20.5 Mvar22.3 %
0.103 kA
105.3 MW-0.8 Mvar74.2 %
0.263 kA
-105.0 MW6.9 Mvar74.2 %
0.526 kA
-0.0
MW
-0.0
Mva
r74
.2 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220226.36 kV1.03 p.u.
BPE/BPE110112.26 kV1.02 p.u.
BPE/BPE220225.36 kV1.02 p.u.
PTA_110115.50 kV1.05 p.u.
MTN_110_2 MTN_110_1
WVY/WVY110112.22 kV1.02 p.u.
WGN/WGN110109.76 kV1.00 p.u.
WAA/WAA110114.83 kV1.04 p.u.
HWA/HWA110114.46 kV1.04 p.u.
SFD/SFD110115.52 kV1.05 p.u.
SFD/SFD220231.00 kV1.05 p.u. D
IgSI
LEN
T
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 18
Appendix D
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 6/5/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
31.7km
27.9km
47.6km
35.4km
26.6km
SF10S oL4
2010 Summer - Maximum South Flow110kV BPE-MTN-WGN out
-84.0 MW34.6 Mvar173.2 %0.459 kA
0.0 MW0.0 Mvar
0.0 %0.000 kA
-22.2 MW-16.4 Mvar43.8 %
0.146 kA
27.1 MW2.7 Mvar53.6 %
0.142 kA
-8.3 MW-12.1 Mvar23.6 %
0.079 kA
-0.0 MW20.5 Mvar22.3 %
0.103 kA
-0.0 MW13.1 Mvar14.5 %
0.065 kA
-30.0 MW-3.7 Mvar59.2 %
0.157 kA
29.8 MW2.8 Mvar50.3 %
0.077 kA
-29.7 MW-2.0 Mvar50.3 %
0.153 kA1
29.8 MW2.8 Mvar50.3 %
0.077 kA
-29.7 MW-2.0 Mvar50.3 %
0.153 kA1
29.8 MW2.8 Mvar50.3 %
0.077 kA
-29.7 MW-2.0 Mvar50.3 %
0.153 kA1
-232.1 MW20.6 Mvar
32.9 %0.597 kA
234.7 MW-12.6 Mvar32.9 %
0.599 kA
167.9 MW2.9 Mvar66.9 %
0.420 kA
-164.4 MW4.0 Mvar66.9 %
0.420 kA
-30.
6 M
W-3
.8 M
var
31.4
%0.
157
kA
170.8 MW2.8 Mvar70.0 %
0.427 kA
-167.3 MW4.4 Mvar70.0 %
0.427 kA
170.8 MW2.8 Mvar68.1 %
0.427 kA
-167.3 MW4.4 Mvar68.1 %
0.427 kA
-231.6 MW20.5 Mvar
32.8 %0.596 kA
234.2 MW-12.6 Mvar32.8 %
0.598 kA
-0.0 MW20.5 Mvar22.3 %
0.103 kA
101.4 MW0.8 Mvar71.4 %
0.253 kA
-101.1 MW4.9 Mvar71.4 %
0.506 kA
-0.0
MW
0.0
Mva
r71
.4 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220226.34 kV1.03 p.u.
BPE/BPE110112.31 kV1.02 p.u.
BPE/BPE220225.36 kV1.02 p.u.
PTA_110115.50 kV1.05 p.u.
MTN_110_2 MTN_110_1
WVY/WVY110110.79 kV1.01 p.u.
WGN/WGN110107.67 kV0.98 p.u.
WAA/WAA110114.61 kV1.04 p.u.
HWA/HWA110114.25 kV1.04 p.u.
SFD/SFD110115.42 kV1.05 p.u.
SFD/SFD220231.00 kV1.05 p.u. D
IgSI
LEN
T
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 6/5/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
31.7km
27.9km
47.6km
35.4km
26.6km
SF10W N
2010 Winter - Maximum South FlowNormal Operating Condition
-88.2 MW32.4 Mvar147.6 %0.478 kA
0.0 MW0.0 Mvar
0.0 %0.000 kA
-6.8 MW-8.2 Mvar13.9 %
0.057 kA
-7.8 MW-8.5 Mvar15.1 %
0.061 kA
32.1 MW-1.9 Mvar51.5 %
0.167 kA
-0.1 MW-7.1 Mvar
9.3 %0.038 kA
1.1 MW-6.8 Mvar
9.0 %0.037 kA
-0.0 MW20.5 Mvar22.5 %
0.104 kA
-0.0 MW14.4 Mvar14.5 %
0.073 kA
-34.9 MW0.6 Mvar56.0 %
0.182 kA
29.8 MW2.9 Mvar47.7 %
0.078 kA
-29.7 MW-2.0 Mvar47.7 %
0.156 kA
1
29.8 MW2.9 Mvar47.7 %
0.078 kA
-29.7 MW-2.0 Mvar47.7 %
0.156 kA
1
29.8 MW2.9 Mvar47.7 %
0.078 kA
-29.7 MW-2.0 Mvar47.7 %
0.156 kA
1
-283.5 MW21.6 Mvar
37.1 %0.743 kA
287.5 MW-1.1 Mvar37.1 %
0.744 kA
204.1 MW20.9 Mvar67.3 %
0.513 kA
-198.9 MW-3.4 Mvar67.3 %
0.515 kA
-35.
7 M
W0.
1 M
var
36.4
%0.
182
kA
207.7 MW21.0 Mvar69.7 %
0.522 kA
-202.4 MW-3.0 Mvar69.7 %
0.524 kA
207.7 MW21.0 Mvar68.5 %
0.522 kA
-202.4 MW-3.0 Mvar68.5 %
0.524 kA
-282.9 MW21.5 Mvar
37.0 %0.741 kA
286.9 MW-1.1 Mvar37.0 %
0.743 kA
-0.0 MW20.5 Mvar22.5 %
0.104 kA
106.0 MW6.3 Mvar70.6 %
0.265 kA
-105.7 MW-0.1 Mvar70.6 %
0.530 kA
-0.0
MW
0.0
Mva
r70
.6 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220223.07 kV1.01 p.u.
BPE/BPE110110.13 kV1.00 p.u.
BPE/BPE220221.03 kV1.00 p.u.
PTA_110114.84 kV1.04 p.u.
MTN_110_2 MTN_110_1
WVY/WVY110110.83 kV1.01 p.u.
WGN/WGN110108.18 kV0.98 p.u.
WAA/WAA110113.82 kV1.03 p.u.
HWA/HWA110113.46 kV1.03 p.u.
SFD/SFD110115.12 kV1.05 p.u.
SFD/SFD220231.00 kV1.05 p.u. D
IgSI
LEN
T
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 19
Appendix D
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 6/5/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
31.7km
27.9km
47.6km
35.4km
26.6km
SF10W oR
2010 Winter - Maximum South FlowReactor Bypassed
-96.2 MW36.4 Mvar161.6 %0.524 kA
43.7 MW-2.1 Mvar
0.0 %0.223 kA
-3.2 MW-10.2 Mvar13.9 %
0.057 kA
-4.3 MW-10.4 Mvar14.8 %
0.060 kA
39.7 MW-4.7 Mvar64.1 %
0.208 kA
3.5 MW-8.9 Mvar12.6 %
0.051 kA
4.6 MW-8.7 Mvar12.9 %
0.052 kA
-0.0 MW20.5 Mvar22.5 %
0.104 kA
-0.0 MW14.4 Mvar14.5 %
0.073 kA
-42.6 MW3.3 Mvar68.6 %
0.223 kA
27.6 MW3.9 Mvar44.4 %
0.073 kA
-27.5 MW-3.1 Mvar44.4 %
0.145 kA1
27.6 MW3.9 Mvar44.4 %
0.073 kA
-27.5 MW-3.1 Mvar44.4 %
0.145 kA1
27.6 MW3.9 Mvar44.4 %
0.073 kA
-27.5 MW-3.1 Mvar44.4 %
0.145 kA1
-280.4 MW20.2 Mvar
36.7 %0.734 kA
284.3 MW-0.5 Mvar36.7 %
0.736 kA
201.9 MW20.6 Mvar66.6 %
0.507 kA
-196.8 MW-3.8 Mvar66.6 %
0.509 kA
-0.0
MW
-0.0
Mva
r0.
0 %
0.00
0 kA
205.4 MW20.7 Mvar68.9 %
0.516 kA
-200.2 MW-3.4 Mvar68.9 %
0.518 kA
205.4 MW20.7 Mvar67.7 %
0.516 kA
-200.2 MW-3.4 Mvar67.7 %
0.518 kA
-279.8 MW20.1 Mvar
36.6 %0.733 kA
283.7 MW-0.5 Mvar36.6 %
0.734 kA
-0.0 MW20.5 Mvar22.5 %
0.104 kA
112.5 MW5.8 Mvar74.9 %
0.281 kA
-112.1 MW1.1 Mvar74.9 %
0.562 kA
-0.0
MW
0.0
Mva
r74
.9 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220223.13 kV1.01 p.u.
BPE/BPE110110.03 kV1.00 p.u.
BPE/BPE220221.03 kV1.00 p.u.
PTA_110114.77 kV1.04 p.u.
MTN_110_2 MTN_110_1
WVY/WVY110110.75 kV1.01 p.u.
WGN/WGN110108.01 kV0.98 p.u.
WAA/WAA110113.75 kV1.03 p.u.
HWA/HWA110113.38 kV1.03 p.u.
SFD/SFD110115.16 kV1.05 p.u.
SFD/SFD220231.00 kV1.05 p.u. D
IgSI
LEN
T
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 6/5/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
31.7km
27.9km
47.6km
35.4km
26.6km
SF10W oL4
2010 Winter - Maximum South Flow110kV BPE-MTN-WGN out
-88.6 MW29.7 Mvar147.2 %0.477 kA
0.0 MW0.0 Mvar
0.0 %0.000 kA
-14.3 MW-16.3 Mvar28.7 %
0.116 kA
32.4 MW0.6 Mvar52.6 %
0.171 kA
1.3 MW-11.5 Mvar15.5 %
0.063 kA
-0.0 MW20.5 Mvar22.6 %
0.105 kA
-0.0 MW14.4 Mvar14.5 %
0.073 kA
-35.3 MW-2.0 Mvar57.4 %
0.186 kA
29.8 MW3.1 Mvar47.7 %
0.078 kA
-29.6 MW-2.3 Mvar47.7 %
0.156 kA
1
29.8 MW3.1 Mvar47.7 %
0.078 kA
-29.6 MW-2.3 Mvar47.7 %
0.156 kA
1
29.8 MW3.1 Mvar47.7 %
0.078 kA
-29.6 MW-2.3 Mvar47.7 %
0.156 kA
1
-283.4 MW21.4 Mvar
37.1 %0.743 kA
287.4 MW-1.0 Mvar37.1 %
0.744 kA
204.0 MW20.9 Mvar67.3 %
0.513 kA
-198.9 MW-3.5 Mvar67.3 %
0.515 kA
-36.
1 M
W-2
.5 M
var
37.2
%0.
186
kA
207.6 MW21.1 Mvar69.6 %
0.522 kA
-202.3 MW-3.1 Mvar69.6 %
0.524 kA
207.6 MW21.1 Mvar68.5 %
0.522 kA
-202.3 MW-3.1 Mvar68.5 %
0.524 kA
-282.8 MW21.3 Mvar
37.0 %0.741 kA
286.8 MW-1.0 Mvar37.0 %
0.742 kA
-0.0 MW20.5 Mvar22.6 %
0.105 kA
106.1 MW8.3 Mvar70.8 %
0.266 kA
-105.8 MW-2.1 Mvar70.8 %
0.531 kA
-0.0
MW
-0.0
Mva
r70
.8 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220223.06 kV1.01 p.u.
BPE/BPE110110.09 kV1.00 p.u.
BPE/BPE220221.00 kV1.00 p.u.
PTA_110114.43 kV1.04 p.u.
MTN_110_2 MTN_110_1
WVY/WVY110109.54 kV1.00 p.u.
WGN/WGN110106.34 kV0.97 p.u.
WAA/WAA110113.41 kV1.03 p.u.
HWA/HWA110113.04 kV1.03 p.u.
SFD/SFD110115.01 kV1.05 p.u.
SFD/SFD220231.00 kV1.05 p.u. D
IgSI
LEN
T
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 20
Appendix D
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 6/5/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]Voltage, Angle [deg]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
External GridActive Power [MW]Reactive Power [Mvar]
31.7km
27.9km
47.6km
35.4km
26.6km
SF30S N
2030 Summer - Maximum South FlowNormal Operating Condition
-95.5 MW12.7 Mvar190.1 %0.505 kA
0.0 MW0.0 Mvar
0.0 %0.000 kA
-20.1 MW-14.3 Mvar
39.1 %0.130 kA
-21.2 MW-14.6 Mvar
40.8 %0.136 kA
22.1 MW-4.1 Mvar44.7 %
0.119 kA
-13.2 MW-12.7 Mvar
29.5 %0.098 kA
-12.0 MW-12.4 Mvar
27.8 %0.093 kA
-0.0 MW0.0 Mvar
0.2 %0.000 kA
-0.0 MW14.4 Mvar16.4 %
0.075 kA
-25.9 MW2.6 Mvar52.1 %
0.138 kA
35.9 MW6.5 Mvar61.4 %
0.093 kA
-35.8 MW-5.3 Mvar61.4 %
0.187 kA1
35.9 MW6.5 Mvar61.4 %
0.093 kA
-35.8 MW-5.3 Mvar61.4 %
0.187 kA1
35.9 MW6.5 Mvar61.4 %
0.093 kA
-35.8 MW-5.3 Mvar61.4 %
0.187 kA1
-227.5 MW22.2 Mvar32.3 %
0.585 kA
230.0 MW-15.2 Mvar
32.3 %0.588 kA
167.9 MW2.8 Mvar66.9 %
0.420 kA
-164.5 MW4.1 Mvar66.9 %
0.420 kA
-26.
3 M
W2.
7 M
var
27.7
%0.
139
kA
170.9 MW2.6 Mvar70.0 %
0.427 kA
-167.3 MW4.5 Mvar70.0 %
0.427 kA
170.9 MW2.7 Mvar68.1 %
0.427 kA
-167.3 MW4.5 Mvar68.1 %
0.427 kA
-227.0 MW22.2 Mvar32.2 %
0.584 kA
229.5 MW-15.2 Mvar
32.2 %0.587 kA
G~
0.0 MW17.4 Mvar17.4 %
0.091 kA
195.86 MW87.25 Mvar
-0.0 MW0.0 Mvar
0.2 %0.000 kA
116.0 MW22.7 Mvar83.2 %
0.295 kA
-115.6 MW-15.2 Mvar
83.2 %0.589 kA
-0.0
MW
0.0
Mva
r83
.2 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220226.35 kV1.03 p.u.-7.20 deg
BPE/BPE110112.06 kV1.02 p.u.
-14.40 deg
BPE/BPE220225.62 kV1.03 p.u.
-12.53 deg
PTA_110111.42 kV1.01 p.u.-9.02 deg
MTN_110_2 MTN_110_1 109.29 kV0.99 p.u.
-15.28 deg
WVY/WVY110108.86 kV0.99 p.u.
-13.18 deg
WGN/WGN110107.47 kV0.98 p.u.
-15.63 deg
WAA/WAA110110.00 kV1.00 p.u.-8.70 deg
HWA/HWA110110.00 kV1.00 p.u.-8.70 deg
SFD/SFD110114.23 kV1.04 p.u.-3.20 deg
SFD/SFD220231.00 kV1.05 p.u.0.00 deg
DIg
SILE
NT
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 6/5/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]Voltage, Angle [deg]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
External GridActive Power [MW]Reactive Power [Mvar]
31.7km
27.9km
47.6km
35.4km
26.6km
SF30S oR
2030 Summer - Maximum South FlowReactor Bypassed
-101.2 MW15.9 Mvar202.3 %0.538 kA
32.1 MW-5.3 Mvar
0.0 %0.171 kA
-17.5 MW-16.1 Mvar
37.7 %0.126 kA
-18.6 MW-16.4 Mvar
39.4 %0.131 kA
27.6 MW-7.1 Mvar57.0 %
0.152 kA
-10.5 MW-14.5 Mvar
28.9 %0.096 kA
-9.4 MW-14.2 Mvar
27.5 %0.092 kA
-0.0 MW0.0 Mvar
0.2 %0.000 kA
-0.0 MW14.4 Mvar16.4 %
0.075 kA
-31.4 MW5.6 Mvar64.1 %
0.170 kA
34.3 MW7.4 Mvar59.0 %
0.090 kA
-34.2 MW-6.3 Mvar59.0 %
0.179 kA
1
34.3 MW7.4 Mvar59.0 %
0.090 kA
-34.2 MW-6.3 Mvar59.0 %
0.179 kA
1
34.3 MW7.4 Mvar59.0 %
0.090 kA
-34.2 MW-6.3 Mvar59.0 %
0.179 kA
1
-225.4 MW21.3 Mvar32.0 %
0.579 kA
227.8 MW-14.7 Mvar
32.0 %0.582 kA
166.4 MW2.7 Mvar66.4 %
0.416 kA
-163.0 MW3.8 Mvar66.4 %
0.416 kA
-0.0
MW
-0.0
Mva
r0.
0 %
0.00
0 kA
169.4 MW2.6 Mvar69.4 %
0.423 kA
-165.9 MW4.2 Mvar69.4 %
0.423 kA
169.4 MW2.6 Mvar67.5 %
0.423 kA
-165.9 MW4.2 Mvar67.5 %
0.423 kA
-224.9 MW21.3 Mvar31.9 %
0.578 kA
227.4 MW-14.7 Mvar
31.9 %0.581 kA
G~
0.0 MW17.0 Mvar17.0 %
0.089 kA
196.61 MW85.99 Mvar
-0.0 MW0.0 Mvar
0.2 %0.000 kA
120.7 MW22.0 Mvar86.3 %
0.307 kA
-120.3 MW-14.0 Mvar
86.3 %0.612 kA
-0.0
MW
-0.0
Mva
r86
.3 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220226.37 kV1.03 p.u.-7.13 deg
BPE/BPE110111.95 kV1.02 p.u.
-14.19 deg
BPE/BPE220225.60 kV1.03 p.u.
-12.41 deg
PTA_110111.42 kV1.01 p.u.-9.54 deg
MTN_110_2 MTN_110_1 109.11 kV0.99 p.u.
-14.87 deg
WVY/WVY110108.51 kV0.99 p.u.
-11.84 deg
WGN/WGN110107.23 kV0.97 p.u.
-15.04 deg
WAA/WAA110110.00 kV1.00 p.u.-9.22 deg
HWA/HWA110110.00 kV1.00 p.u.-9.22 deg
SFD/SFD110114.27 kV1.04 p.u.-3.33 deg
SFD/SFD220231.00 kV1.05 p.u.0.00 deg
DIg
SILE
NT
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 21
Appendix D
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 6/7/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
External GridActive Power [MW]Reactive Power [Mvar]
31.7km
27.9km
47.6km
35.4km
26.6km
SF30S oL4
2030 Summer - Maximum South Flow110kV BPE-MTN-WGN out
-99.1 MW14.7 Mvar197.9 %0.526 kA
0.0 MW0.0 Mvar
0.0 %0.000 kA
-38.2 MW-26.2 Mvar
75.1 %0.250 kA
25.6 MW1.7 Mvar52.4 %
0.139 kA
-21.9 MW-20.1 Mvar
49.7 %0.165 kA
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
-0.0 MW14.4 Mvar16.4 %
0.075 kA
-29.4 MW-3.2 Mvar60.2 %
0.160 kA
35.1 MW6.2 Mvar60.0 %
0.091 kA
-35.0 MW-5.1 Mvar60.0 %
0.182 kA1
35.1 MW6.2 Mvar60.0 %
0.091 kA
-35.0 MW-5.1 Mvar60.0 %
0.182 kA1
35.2 MW6.2 Mvar60.0 %
0.091 kA
-35.0 MW-5.1 Mvar60.0 %
0.182 kA1
-226.4 MW22.1 Mvar32.1 %
0.582 kA
228.9 MW-15.2 Mvar
32.1 %0.585 kA
167.2 MW2.5 Mvar66.6 %
0.418 kA
-163.8 MW4.1 Mvar66.6 %
0.418 kA
-30.
0 M
W-3
.4 M
var
31.9
%0.
159
kA
170.1 MW2.4 Mvar69.7 %
0.425 kA
-166.6 MW4.5 Mvar69.7 %
0.425 kA
170.1 MW2.4 Mvar67.8 %
0.425 kA
-166.6 MW4.5 Mvar67.8 %
0.425 kA
-226.0 MW22.0 Mvar32.0 %
0.581 kA
228.4 MW-15.2 Mvar
32.0 %0.584 kA
G~
0.0 MW25.9 Mvar25.9 %
0.136 kA
197.0 MW85.9 Mvar
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
119.0 MW22.2 Mvar85.2 %
0.303 kA
-118.6 MW-14.4 Mvar
85.2 %0.604 kA
-0.0
MW
0.0
Mva
r85
.2 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220226.40 kV1.03 p.u.
BPE/BPE110112.11 kV1.02 p.u.
BPE/BPE220225.67 kV1.03 p.u.
PTA_110111.42 kV1.01 p.u.
MTN_110_2 MTN_110_1 103.51 kV0.94 p.u.
WVY/WVY110106.59 kV0.97 p.u.
WGN/WGN110103.71 kV0.94 p.u.
WAA/WAA110110.00 kV1.00 p.u.
HWA/HWA110110.00 kV1.00 p.u.
SFD/SFD110114.25 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u. D
IgSI
LEN
T
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 6/5/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]Voltage, Angle [deg]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
External GridActive Power [MW]Reactive Power [Mvar]
31.7km
27.9km
47.6km
35.4km
26.6km
SF30W N
2030 Winter - Maximum South FlowNormal Operating Condition
-100.6 MW17.0 Mvar165.0 %0.536 kA
0.0 MW0.0 Mvar
0.0 %0.000 kA
-15.0 MW-14.4 Mvar
26.8 %0.109 kA
-16.2 MW-14.7 Mvar
28.3 %0.115 kA
28.3 MW-8.5 Mvar47.9 %
0.156 kA
-7.2 MW-12.8 Mvar
19.2 %0.078 kA
-5.9 MW-12.4 Mvar
18.1 %0.073 kA
-0.0 MW0.0 Mvar
0.2 %0.000 kA
-0.0 MW14.4 Mvar14.9 %
0.075 kA
-32.1 MW6.7 Mvar53.5 %
0.173 kA
39.7 MW6.1 Mvar62.4 %
0.102 kA
-39.5 MW-4.6 Mvar62.4 %
0.204 kA
1
39.7 MW6.1 Mvar62.4 %
0.102 kA
-39.5 MW-4.6 Mvar62.4 %
0.204 kA
1
39.7 MW6.1 Mvar62.4 %
0.102 kA
-39.5 MW-4.6 Mvar62.4 %
0.204 kA
1
-283.3 MW48.2 Mvar36.8 %
0.733 kA
287.2 MW-29.0 Mvar
36.8 %0.738 kA
207.0 MW4.2 Mvar67.7 %
0.518 kA
-201.8 MW13.6 Mvar67.7 %
0.517 kA
-32.
8 M
W6.
3 M
var
34.8
%0.
174
kA
210.7 MW4.0 Mvar70.0 %
0.527 kA
-205.3 MW14.2 Mvar70.0 %
0.526 kA
210.7 MW4.0 Mvar68.8 %
0.527 kA
-205.3 MW14.2 Mvar68.8 %
0.526 kA
-282.7 MW48.1 Mvar36.7 %
0.731 kA
286.6 MW-29.0 Mvar
36.7 %0.736 kA
G~
-0.0 MW27.9 Mvar27.9 %
0.146 kA
612.29 MW96.48 Mvar
-0.0 MW0.0 Mvar
0.2 %0.000 kA
123.3 MW24.8 Mvar83.6 %
0.314 kA
-122.9 MW-16.4 Mvar
83.6 %0.627 kA
-0.0
MW
0.0
Mva
r83
.6 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220225.95 kV1.03 p.u.-8.91 deg
BPE/BPE110112.50 kV1.02 p.u.
-17.64 deg
BPE/BPE220226.43 kV1.03 p.u.
-15.59 deg
PTA_110111.42 kV1.01 p.u.-9.63 deg
MTN_110_2 MTN_110_1 110.00 kV1.00 p.u.
-18.21 deg
WVY/WVY110109.53 kV1.00 p.u.
-14.96 deg
WGN/WGN110108.49 kV0.99 p.u.
-18.23 deg
WAA/WAA110110.00 kV1.00 p.u.-9.31 deg
HWA/HWA110110.00 kV1.00 p.u.-9.31 deg
SFD/SFD110114.11 kV1.04 p.u.-3.41 deg
SFD/SFD220231.00 kV1.05 p.u.0.00 deg
DIg
SILE
NT
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 22
Appendix D
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 6/5/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]Voltage, Angle [deg]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
External GridActive Power [MW]Reactive Power [Mvar]
31.7km
27.9km
47.6km
35.4km
26.6km
SF30W oR
2030 Winter - Maximum South FlowReactor Bypassed
-107.5 MW21.0 Mvar177.1 %0.575 kA
39.7 MW-9.9 Mvar
0.0 %0.215 kA
-11.9 MW-17.1 Mvar
27.1 %0.110 kA
-13.2 MW-17.5 Mvar
28.4 %0.115 kA
34.8 MW-12.9 Mvar60.6 %
0.197 kA
-4.2 MW-15.4 Mvar
21.1 %0.085 kA
-2.9 MW-15.1 Mvar
20.3 %0.082 kA
-0.0 MW0.0 Mvar
0.2 %0.000 kA
-0.0 MW14.4 Mvar14.9 %
0.075 kA
-38.6 MW11.0 Mvar66.1 %
0.213 kA
37.8 MW7.6 Mvar59.9 %
0.098 kA
-37.6 MW-6.3 Mvar59.9 %
0.196 kA1
37.8 MW7.6 Mvar59.9 %
0.098 kA
-37.6 MW-6.3 Mvar59.9 %
0.196 kA1
37.8 MW7.6 Mvar59.9 %
0.098 kA
-37.6 MW-6.3 Mvar59.9 %
0.196 kA1
-280.9 MW46.8 Mvar36.4 %
0.726 kA
284.7 MW-28.2 Mvar
36.4 %0.731 kA
205.3 MW4.1 Mvar67.1 %
0.513 kA
-200.2 MW13.1 Mvar67.1 %
0.512 kA
-0.0
MW
-0.0
Mva
r0.
0 %
0.00
0 kA
208.9 MW4.0 Mvar69.4 %
0.522 kA
-203.6 MW13.7 Mvar69.4 %
0.521 kA
208.9 MW4.0 Mvar68.3 %
0.522 kA
-203.6 MW13.7 Mvar68.3 %
0.521 kA
-280.3 MW46.7 Mvar36.4 %
0.725 kA
284.1 MW-28.2 Mvar
36.4 %0.730 kA
G~
0.0 MW26.4 Mvar26.4 %
0.139 kA
613.53 MW94.71 Mvar
-0.0 MW0.0 Mvar
0.2 %0.000 kA
129.0 MW24.1 Mvar87.2 %
0.328 kA
-128.5 MW-15.1 Mvar
87.2 %0.655 kA
-0.0
MW
0.0
Mva
r87
.2 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220225.96 kV1.03 p.u.-8.83 deg
BPE/BPE110112.31 kV1.02 p.u.
-17.41 deg
BPE/BPE220226.37 kV1.03 p.u.
-15.46 deg
PTA_110111.42 kV1.01 p.u.-10.26 deg
MTN_110_2 MTN_110_1 109.65 kV1.00 p.u.
-17.73 deg
WVY/WVY110108.71 kV0.99 p.u.
-13.31 deg
WGN/WGN110108.00 kV0.98 p.u.
-17.52 deg
WAA/WAA110110.00 kV1.00 p.u.-9.94 deg
HWA/HWA110110.00 kV1.00 p.u.-9.94 deg
SFD/SFD110114.16 kV1.04 p.u.-3.56 deg
SFD/SFD220231.00 kV1.05 p.u.0.00 deg
DIg
SILE
NT
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 6/7/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
External GridActive Power [MW]Reactive Power [Mvar]
31.7km
27.9km
47.6km
35.4km
26.6km
SF30W oL4
2030 Winter - Maximum South Flow110kV BPE-MTN-WGN out
-102.7 MW18.2 Mvar168.7 %0.548 kA
0.0 MW0.0 Mvar
0.0 %0.000 kA
-29.3 MW-26.5 Mvar
52.1 %0.212 kA
30.3 MW-3.1 Mvar50.3 %
0.163 kA
-11.2 MW-20.2 Mvar
31.3 %0.127 kA
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
-0.0 MW14.4 Mvar14.9 %
0.075 kA
-34.1 MW1.2 Mvar56.4 %
0.183 kA
39.3 MW5.8 Mvar61.7 %
0.101 kA
-39.1 MW-4.4 Mvar61.7 %
0.202 kA
1
39.3 MW5.8 Mvar61.7 %
0.101 kA
-39.1 MW-4.4 Mvar61.7 %
0.202 kA
1
39.3 MW5.8 Mvar61.7 %
0.101 kA
-39.1 MW-4.4 Mvar61.7 %
0.202 kA
1
-282.7 MW48.1 Mvar36.7 %
0.731 kA
286.6 MW-29.1 Mvar
36.7 %0.736 kA
206.6 MW4.0 Mvar67.5 %
0.517 kA
-201.4 MW13.6 Mvar67.5 %
0.516 kA
-34.
9 M
W0.
7 M
var
36.7
%0.
183
kA
210.2 MW3.8 Mvar69.9 %
0.526 kA
-204.9 MW14.3 Mvar69.9 %
0.525 kA
210.2 MW3.8 Mvar68.7 %
0.526 kA
-204.9 MW14.3 Mvar68.7 %
0.525 kA
-282.2 MW48.0 Mvar36.6 %
0.730 kA
286.0 MW-29.0 Mvar
36.6 %0.735 kA
G~
0.0 MW34.9 Mvar34.9 %
0.183 kA
613.0 MW95.4 Mvar
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
125.1 MW24.6 Mvar84.7 %
0.319 kA
-124.6 MW-16.0 Mvar
84.7 %0.636 kA
-0.0
MW
-0.0
Mva
r84
.7 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220225.98 kV1.03 p.u.
BPE/BPE110112.55 kV1.02 p.u.
BPE/BPE220226.47 kV1.03 p.u.
PTA_110111.42 kV1.01 p.u.
MTN_110_2 MTN_110_1 104.21 kV0.95 p.u.
WVY/WVY110107.54 kV0.98 p.u.
WGN/WGN110105.22 kV0.96 p.u.
WAA/WAA110110.00 kV1.00 p.u.
HWA/HWA110110.00 kV1.00 p.u.
SFD/SFD110114.13 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u. D
IgSI
LEN
T
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 23
Appendix D
North Flow
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 6/5/2009
Annex:
31.7km
27.9km
47.6km
35.4km
26.6km
NF10S N
2010 Summer - Maximum North FlowNormal Operating Condition
-54.0 MW23.7 Mvar112.1 %0.296 kA
0.6 MW9.5 Mvar
0.0 %0.048 kA
-25.1 MW-3.3 Mvar39.0 %
0.130 kA
-26.1 MW-3.6 Mvar
40.5 %0.135 kA
-2.3 MW9.4 Mvar21.5 %
0.049 kA
-19.1 MW-2.1 Mvar29.8 %
0.099 kA
-18.1 MW-1.8 Mvar
28.2 %0.094 kA
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
-0.0 MW20.5 Mvar
22.2 %0.103 kA
-0.0 MW6.3 Mvar
7.4 %0.031 kA
183.4 MW-41.7 Mvar
38.5 %0.474 kA
-0.5 MW-10.5 Mvar
20.1 %0.054 kA
-169.3 MW41.0 Mvar
36.8 %0.438 kA
181.0 MW-13.3 Mva..
36.8 %0.454 kA
180.2 MW-12.8 Mva..
36.7 %0.452 kA
-179.1 MW20.9 Mvar
56.8 %0.456 kA
182.9 MW-12.1 Mvar
56.8 %0.458 kA
-180.1 MW21.0 Mvar
57.1 %0.458 kA
183.9 MW-12.1 Mvar
57.1 %0.461 kA
-86.3 MW13.5 Mvar
28.6 %0.218 kA
88.5 MW-26.0 Mvar
28.6 %0.231 kA
41.7 MW7.1 Mvar69.5 %
0.106 kA
-41.5 MW-5.5 Mvar69.5 %
0.211 kA
141.7 MW7.1 Mvar69.5 %
0.106 kA
-41.5 MW-5.5 Mvar
69.5 %0.211 kA
141.7 MW7.1 Mvar69.5 %
0.106 kA
-41.5 MW-5.5 Mvar
69.5 %0.211 kA
15.6 MW
-15.7 Mvar2.3 %
0.042 kA
-5.6 MW1.0 Mvar
2.3 %0.014 kA
-86.2 MW13.5 Mvar
28.6 %0.218 kA
88.4 MW-26.0 Mvar
28.6 %0.231 kA
-70.9 MW6.6 Mvar29.6 %
0.178 kA
71.7 MW-18.6 Mvar
29.6 %0.185 kA
6.2 MW-9.5 Mvar
4.5 %0.028 kA
-6.2 MW-4.8 Mvar
4.5 %0.020 kA
0.0
MW
-0.0
Mva
r0.
0 %
0.00
0 kA
6.3 MW-9.6 Mvar
4.7 %0.029 kA
-6.3 MW-4.8 Mvar
4.7 %0.020 kA
6.3 MW-9.6 Mvar
4.6 %0.029 kA
-6.3 MW-4.8 Mvar
4.6 %0.020 kA
5.6 MW-15.7 Mvar
2.3 %0.042 kA
-5.6 MW1.0 Mvar
2.3 %0.014 kA
-0.0 MW20.5 Mvar
22.2 %0.103 kA
77.9 MW2.0 Mvar54.9 %
0.195 kA
-77.7 MW1.7 Mvar54.9 %
0.389 kA
-0.0
MW
-0.0
Mva
r54
.9 %
0.00
0 kA
5 2
HW
A-R
72
BRK/BRK220231.23 kV1.05 p.u.
BPE/BPE110114.46 kV1.04 p.u.
BPE/BPE220230.54 kV1.05 p.u.
PTA_110115.50 kV1.05 p.u.
MTN_110_2 MTN_110_1 112.75 kV1.03 p.u.
WVY/WVY110113.45 kV1.03 p.u.
WGN/WGN110111.78 kV1.02 p.u.
WAA/WAA110115.24 kV1.05 p.u.
HWA/HWA110114.88 kV1.04 p.u.
SFD/SFD110115.35 kV1.05 p.u.
TWH/TWH220229.21 kV1.04 p.u.
HLY/HLY220229.90 kV1.04 p.u.
TMN/TMN220228.74 kV1.04 p.u.
WKM/WKM2..228.30 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u.
TNG/TNG220
230.73 kV1.05 p.u.
DIg
SILE
NT
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 6/5/2009
Annex:
31.7km
27.9km
47.6km
35.4km
26.6km
NF10W N
2010 Winter - Maximum North FlowNormal Operating Condition
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
0.2 MW8.3 Mvar
0.0 %0.042 kA
-23.8 MW-2.5 Mvar30.2 %
0.123 kA
-24.9 MW-2.7 Mvar
31.6 %0.128 kA
-2.7 MW8.0 Mvar15.6 %
0.043 kA
-17.0 MW-1.2 Mvar21.7 %
0.088 kA
-15.9 MW-0.9 Mvar
20.3 %0.082 kA
-52.7 MW21.8 Mvar
88.9 %0.287 kA
-0.0 MW20.5 Mvar
22.3 %0.103 kA
-0.0 MW10.1 Mvar
10.3 %0.050 kA
130.0 MW-50.4 Mvar
27.3 %0.353 kA
-0.2 MW-9.4 Mvar
14.7 %0.048 kA
-167.7 MW40.0 Mvar
34.7 %0.433 kA
179.0 MW-13.7 Mva..
34.7 %0.449 kA
183.4 MW-10.2 Mva..
35.5 %0.459 kA
-194.6 MW25.3 Mvar
56.7 %0.497 kA
199.2 MW-13.1 Mvar
56.7 %0.499 kA
-195.7 MW25.5 Mvar
57.0 %0.499 kA
200.2 MW-13.2 Mvar
57.0 %0.502 kA
-103.4 MW22.1 Mvar
31.6 %0.264 kA
106.6 MW-29.6 Mvar
31.6 %0.278 kA
44.1 MW5.7 Mvar68.1 %
0.112 kA
-44.0 MW-4.0 Mvar68.1 %
0.223 kA
1
44.1 MW5.7 Mvar68.1 %
0.112 kA
-44.0 MW-4.0 Mvar
68.1 %0.223 kA
1
44.1 MW5.7 Mvar68.1 %
0.112 kA
-44.0 MW-4.0 Mvar
68.1 %0.223 kA
1
5.7 MW-19.6 Mvar
2.6 %0.051 kA
-5.7 MW5.0 Mvar
2.6 %0.019 kA
-103.3 MW22.1 Mvar
31.6 %0.264 kA
106.5 MW-29.6 Mvar
31.6 %0.278 kA
-96.2 MW14.0 Mvar
32.9 %0.244 kA
97.6 MW-21.9 Mvar
32.9 %0.251 kA
5.9 MW-7.1 Mvar
3.0 %0.023 kA
-5.9 MW-7.2 Mvar
3.0 %0.023 kA
0.0
MW
-0.0
Mva
r0.
0 %
0.00
0 kA
6.0 MW-7.2 Mvar
3.1 %0.023 kA
-6.0 MW-7.2 Mvar
3.1 %0.023 kA
6.0 MW-7.2 Mvar
3.1 %0.023 kA
-6.0 MW-7.2 Mvar
3.1 %0.023 kA
5.7 MW-19.6 Mvar
2.6 %0.051 kA
-5.7 MW5.0 Mvar
2.6 %0.019 kA
-0.0 MW20.5 Mvar
22.3 %0.103 kA
78.3 MW6.1 Mvar52.2 %
0.196 kA
-78.1 MW-2.3 Mvar52.2 %
0.392 kA
-0.0
MW
-0.0
Mva
r52
.2 %
0.00
0 kA
5 2
HW
A-R
72
BRK/BRK220230.83 kV1.05 p.u.
BPE/BPE110114.23 kV1.04 p.u.
BPE/BPE220229.79 kV1.04 p.u.
PTA_110115.50 kV1.05 p.u.
MTN_110_2 MTN_110_1 112.67 kV1.02 p.u.
WVY/WVY110113.28 kV1.03 p.u.
WGN/WGN110111.90 kV1.02 p.u.
WAA/WAA110114.89 kV1.04 p.u.
HWA/HWA110114.52 kV1.04 p.u.
SFD/SFD110115.13 kV1.05 p.u.
TWH/TWH220228.38 kV1.04 p.u.
HLY/HLY220229.90 kV1.04 p.u.
TMN/TMN220228.24 kV1.04 p.u.
WKM/WKM2..228.22 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u.
TNG/TNG220
230.23 kV1.05 p.u.
DIg
SILE
NT
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 24
Appendix D
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 6/5/2009
Annex: NF30S N
31.7km
27.9km
47.6km
35.4km
26.6km
2030 Summer - Maximum North FlowNormal Operating Condition
-144.7 MW12.8 Mvar
38.5 %0.365 kA
-37.1 MW12.2 Mvar
16.9 %0.098 kA
G~
-0.0 MW10.7 Mvar
10.7 %0.056 kA
2.7 MW4.2 Mvar
0.0 %0.026 kA
-31.6 MW-10.2 Mvar
52.2 %0.174 kA
-32.8 MW-10.5 Mvar
54.1 %0.180 kA
-1.2 MW3.7 Mvar10.5 %
0.021 kA
-24.5 MW-8.3 Mvar
41.4 %0.138 kA
-23.5 MW-8.0 Mvar39.6 %
0.132 kA
-71.8 MW0.1 Mvar141.6 %0.377 kA
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]Voltage, Angle [deg]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
-0.0 MW0.0 Mvar
0.2 %0.000 kA
-0.0 MW14.4 Mvar
16.4 %0.075 kA
137.8 MW-26.0 Mvar
28.6 %0.353 kA
-2.6 MW-5.2 Mvar11.6 %
0.031 kA
-131.4 MW19.7 Mvar
28.4 %0.334 kA
138.2 MW-21.1 Mvar
28.4 %0.349 kA
138.4 MW-20.0 Mvar
28.4 %0.350 kA
-178.5 MW31.6 Mvar
56.9 %0.456 kA
182.4 MW-22.8 Mvar
56.9 %0.459 kA
-179.5 MW31.8 Mvar
57.2 %0.458 kA
183.3 MW-22.9 Mvar
57.2 %0.462 kA
-85.9 MW18.7 Mvar
29.2 %0.220 kA
88.2 MW-30.7 Mvar
29.2 %0.235 kA
50.9 MW11.9 Mvar
86.6 %0.132 kA
-50.8 MW-9.5 Mvar86.6 %
0.263 kA
1
50.9 MW11.9 Mvar
86.6 %0.132 kA
-50.8 MW-9.5 Mvar86.6 %
0.263 kA
1
50.9 MW11.9 Mvar
86.6 %0.132 kA
-50.8 MW-9.5 Mvar
86.6 %0.263 kA
1
-8.6 MW-19.2 Mvar
2.9 %0.053 kA
8.6 MW4.7 Mvar
2.9 %0.025 kA
-85.9 MW18.7 Mvar
29.2 %0.220 kA
88.1 MW-30.7 Mvar
29.2 %0.235 kA
-81.2 MW12.9 Mvar
34.3 %0.206 kA
82.2 MW-23.2 Mvar
34.3 %0.215 kA
18.7 MW-5.2 Mvar
8.3 %0.049 kA
-18.7 MW-8.8 Mvar
8.3 %0.052 kA
0.0
MW
-0.0
Mva
r0.
0 %
0.00
0 kA
19.1 MW-5.2 Mvar
8.6 %0.049 kA
-19.0 MW-8.8 Mvar
8.6 %0.053 kA
19.1 MW-5.2 Mvar
8.4 %0.049 kA
-19.0 MW-8.8 Mvar
8.4 %0.053 kA
-8.6 MW-19.2 Mvar
2.9 %0.053 kA
8.6 MW4.7 Mvar
2.9 %0.024 kA
-0.0 MW0.0 Mvar
0.2 %0.000 kA
97.0 MW25.7 Mvar
70.6 %0.251 kA
-96.7 MW-20.1 Mvar
70.6 %0.500 kA
-0.0
MW
-0.0
Mva
r70
.6 %
0.00
0 kA
5 2WRK/WRK220229.44 kV1.04 p.u.
-17.47 deg
RPO/RPO220231.00 kV1.05 p.u.
-12.59 deg
HW
A-R
72
BRK/BRK220230.16 kV1.05 p.u.-7.06 deg
BPE/BPE110113.20 kV1.03 p.u.-9.80 deg
BPE/BPE220229.00 kV1.04 p.u.-7.22 deg
PTA_110111.42 kV1.01 p.u.
-13.16 deg
MTN_110_2 MTN_110_1 110.29 kV1.00 p.u.
-11.45 deg
WVY/WVY110109.13 kV0.99 p.u.
-12.86 deg
WGN/WGN110108.39 kV0.99 p.u.
-12.52 deg
WAA/WAA110110.00 kV1.00 p.u.
-12.84 deg
HWA/HWA110110.00 kV1.00 p.u.
-12.84 deg
SFD/SFD110114.04 kV1.04 p.u.-8.95 deg
TWH/TWH220229.74 kV1.04 p.u.
-21.54 deg
HLY/HLY220229.90 kV1.04 p.u.
-23.41 deg
TMN/TMN220230.41 kV1.05 p.u.
-12.97 deg
WKM/220229.68 kV1.04 p.u.
-20.03 deg
SFD/SFD220231.00 kV1.05 p.u.-6.28 deg
TNG/TNG220229.97 kV1.05 p.u.
-11.58 deg
DIg
SILE
NT
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 6/7/2009
Annex: NF30W N
31.7km
27.9km
47.6km
35.4km
26.6km
2030 Winter - Maximum North FlowNormal Operating Condition
-161.8 MW16.0 Mvar
39.5 %0.409 kA
-54.8 MW22.5 Mvar
20.5 %0.148 kA
G~
0.0 MW20.4 Mvar
20.4 %0.107 kA
2.7 MW4.0 Mvar
0.0 %0.025 kA
-29.4 MW-8.1 Mvar
39.4 %0.160 kA
-30.6 MW-8.4 Mvar41.1 %
0.167 kA
-1.1 MW3.2 Mvar
7.7 %0.018 kA
-21.5 MW-6.2 Mvar
29.3 %0.119 kA
-20.3 MW-5.8 Mvar27.6 %
0.112 kA
-70.6 MW0.9 Mvar114.0 %0.370 kA
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
-0.0 MW14.4 Mvar
14.9 %0.075 kA
62.5 MW-35.4 Mvar
14.0 %0.181 kA
-2.7 MW-5.0 Mvar
9.3 %0.030 kA
-124.1 MW16.1 Mvar
25.5 %0.314 kA
130.1 MW-22.1 Mvar
25.5 %0.330 kA
137.6 MW-17.7 Mvar
26.8 %0.347 kA
-194.0 MW36.6 Mvar
56.8 %0.496 kA
198.5 MW-24.4 Mvar
56.8 %0.500 kA
-195.1 MW36.8 Mvar
57.1 %0.499 kA
199.6 MW-24.5 Mvar
57.1 %0.503 kA
-103.1 MW28.7 Mvar
32.3 %0.267 kA
106.4 MW-35.5 Mvar
32.3 %0.284 kA
53.3 MW12.2 Mvar
84.5 %0.139 kA
-53.1 MW-9.5 Mvar84.5 %
0.277 kA
1
53.3 MW12.2 Mvar
84.5 %0.139 kA
-53.1 MW-9.5 Mvar84.5 %
0.277 kA
1
53.3 MW12.2 Mvar
84.5 %0.139 kA
-53.2 MW-9.5 Mvar
84.5 %0.277 kA
1
-11.3 MW-24.7 Mvar
3.4 %0.069 kA
11.4 MW10.3 Mvar
3.4 %0.039 kA
-103.0 MW28.7 Mvar
32.3 %0.267 kA
106.3 MW-35.5 Mvar
32.3 %0.284 kA
-108.0 MW22.1 Mvar
37.5 %0.278 kA
109.9 MW-27.1 Mvar
37.5 %0.287 kA
20.2 MW-1.8 Mvar
7.7 %0.051 kA
-20.2 MW-12.1 Mvar
7.7 %0.059 kA
0.0
MW
-0.0
Mva
r0.
0 %
0.00
0 kA
20.6 MW-1.8 Mvar
8.0 %0.052 kA
-20.5 MW-12.2 Mvar
8.0 %0.060 kA
20.6 MW-1.8 Mvar
7.8 %0.052 kA
-20.5 MW-12.2 Mvar
7.8 %0.060 kA
-11.3 MW-24.6 Mvar
3.4 %0.069 kA
11.3 MW10.3 Mvar
3.4 %0.039 kA
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
99.2 MW28.6 Mvar
68.5 %0.258 kA
-98.8 MW-22.7 Mvar
68.5 %0.514 kA
-0.0
MW
-0.0
Mva
r68
.5 %
0.00
0 kA
5 2WRK/WRK220229.27 kV1.04 p.u.
RPO/RPO220231.00 kV1.05 p.u.
HW
A-R
72
BRK/BRK220229.54 kV1.04 p.u.
BPE/BPE110112.60 kV1.02 p.u.
BPE/BPE220227.84 kV1.04 p.u.
PTA_110111.42 kV1.01 p.u.
MTN_110_2 MTN_110_1 110.03 kV1.00 p.u.
WVY/WVY110109.15 kV0.99 p.u.
WGN/WGN110108.51 kV0.99 p.u.
WAA/WAA110110.00 kV1.00 p.u.
HWA/HWA110110.00 kV1.00 p.u.
SFD/SFD110113.89 kV1.04 p.u.
TWH/TWH220228.67 kV1.04 p.u.
HLY/HLY220229.90 kV1.04 p.u.
TMN/TMN220229.96 kV1.05 p.u.
WKM/220229.68 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u.
TNG/TNG220229.26 kV1.04 p.u.
DIg
SILE
NT
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 25
Appendix D
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 6/5/2009
Annex: NF30S oL4
31.7km
27.9km
47.6km
35.4km
26.6km
2030 Summer - Maximum North Flow110kV BPE-MTN-WGN out
-145.1 MW13.0 Mvar
38.6 %0.367 kA
-37.6 MW12.2 Mvar
17.1 %0.099 kA
G~
0.0 MW21.4 Mvar
21.4 %0.112 kA
11.4 MW10.3 Mvar
0.0 %0.081 kA
-56.2 MW-18.0 Mvar
94.7 %0.315 kA
7.4 MW9.5 Mvar26.7 %
0.065 kA
-39.5 MW-11.2 Mvar
67.9 %0.226 kA
-80.5 MW4.6 Mvar159.2 %0.423 kA
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]Voltage, Angle [deg]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
-0.0 MW14.4 Mvar
16.4 %0.075 kA
137.0 MW-25.6 Mvar
28.4 %0.350 kA
-11.2 MW-11.1 Mva..
31.8 %0.085 kA
-130.6 MW19.3 Mvar
28.2 %0.331 kA
137.3 MW-21.2 Mvar
28.2 %0.347 kA
137.5 MW-20.2 Mvar
28.2 %0.347 kA
-179.0 MW31.7 Mvar
57.1 %0.457 kA
182.9 MW-22.9 Mvar
57.1 %0.461 kA
-180.0 MW32.0 Mvar
57.4 %0.460 kA
183.9 MW-23.0 Mvar
57.4 %0.463 kA
-86.5 MW18.7 Mvar
29.3 %0.221 kA
88.7 MW-30.6 Mvar
29.3 %0.237 kA
48.6 MW11.6 Mvar
82.8 %0.126 kA
-48.4 MW-9.4 Mvar82.8 %
0.252 kA
1
48.6 MW11.6 Mvar
82.8 %0.126 kA
-48.4 MW-9.4 Mvar82.8 %
0.252 kA
1
48.6 MW11.6 Mvar
82.8 %0.126 kA
-48.5 MW-9.4 Mvar
82.8 %0.252 kA
1
-4.8 MW-19.6 Mvar
2.8 %0.051 kA
4.8 MW5.1 Mvar
2.8 %0.018 kA
-86.4 MW18.7 Mvar
29.3 %0.221 kA
88.7 MW-30.6 Mvar
29.3 %0.237 kA
-81.6 MW12.9 Mvar
34.5 %0.207 kA
82.7 MW-23.1 Mvar
34.5 %0.216 kA
16.3 MW-5.0 Mvar
7.4 %0.043 kA
-16.2 MW-9.0 Mvar
7.4 %0.047 kA
0.0
MW
-0.0
Mva
r0.
0 %
0.00
0 kA
16.5 MW-5.0 Mvar
7.7 %0.043 kA
-16.5 MW-9.1 Mvar
7.7 %0.047 kA
16.5 MW-5.0 Mvar
7.5 %0.043 kA
-16.5 MW-9.1 Mvar
7.5 %0.047 kA
-4.8 MW-19.6 Mvar
2.8 %0.051 kA
4.8 MW5.0 Mvar
2.8 %0.017 kA
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
104.0 MW24.5 Mvar
75.2 %0.267 kA
-103.7 MW-18.3 Mvar
75.2 %0.533 kA
-0.0
MW
-0.0
Mva
r75
.2 %
0.00
0 kA
5 2WRK/WRK220229.44 kV1.04 p.u.
-17.55 deg
RPO/RPO220231.00 kV1.05 p.u.
-12.66 deg
HW
A-R
72
BRK/BRK220230.19 kV1.05 p.u.-7.17 deg
BPE/BPE110113.25 kV1.03 p.u.-9.71 deg
BPE/BPE220229.04 kV1.04 p.u.-7.25 deg
PTA_110111.42 kV1.01 p.u.
-14.16 deg
MTN_110_2 MTN_110_1 104.66 kV0.95 p.u.
-17.37 deg
WVY/WVY110107.63 kV0.98 p.u.
-14.31 deg
WGN/WGN110104.89 kV0.95 p.u.
-14.56 deg
WAA/WAA110110.00 kV1.00 p.u.
-13.85 deg
HWA/HWA110110.00 kV1.00 p.u.
-13.85 deg
SFD/SFD110114.11 kV1.04 p.u.-9.37 deg
TWH/TWH220229.75 kV1.04 p.u.
-21.66 deg
HLY/HLY220229.90 kV1.04 p.u.
-23.52 deg
TMN/TMN220230.44 kV1.05 p.u.
-13.15 deg
WKM/220229.68 kV1.04 p.u.
-20.12 deg
SFD/SFD220231.00 kV1.05 p.u.-6.50 deg
TNG/TNG220229.98 kV1.05 p.u.
-11.63 deg
DIg
SILE
NT
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 6/7/2009
Annex: NF30W oL4
31.7km
27.9km
47.6km
35.4km
26.6km
2030 Winter - Maximum North Flow110kV BPE-MTN-WGN out
-162.2 MW16.1 Mvar
39.6 %0.410 kA
-55.2 MW22.5 Mvar
20.6 %0.149 kA
G~
0.0 MW29.4 Mvar
29.4 %0.155 kA
10.6 MW9.1 Mvar
0.0 %0.073 kA
-52.5 MW-14.6 Mvar
71.8 %0.292 kA
6.7 MW8.0 Mvar18.9 %
0.056 kA
-34.1 MW-7.7 Mvar
47.1 %0.191 kA
-78.4 MW5.0 Mvar127.0 %0.413 kA
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
-0.0 MW0.0 Mvar
0.2 %0.000 kA
-0.0 MW14.4 Mvar
14.9 %0.075 kA
61.7 MW-35.1 Mvar
13.9 %0.179 kA
-10.5 MW-9.9 Mvar23.7 %
0.077 kA
-123.4 MW15.8 Mvar
25.4 %0.312 kA
129.3 MW-22.2 Mvar
25.4 %0.328 kA
136.7 MW-17.8 Mvar
26.7 %0.345 kA
-194.5 MW36.7 Mvar
56.9 %0.497 kA
199.0 MW-24.5 Mvar
56.9 %0.501 kA
-195.5 MW37.0 Mvar
57.3 %0.500 kA
200.1 MW-24.6 Mvar
57.3 %0.504 kA
-103.5 MW28.8 Mvar
32.4 %0.269 kA
106.9 MW-35.5 Mvar
32.4 %0.285 kA
51.2 MW12.1 Mvar
81.3 %0.133 kA
-51.0 MW-9.6 Mvar81.3 %
0.266 kA
1
51.2 MW12.1 Mvar
81.3 %0.133 kA
-51.0 MW-9.6 Mvar81.3 %
0.266 kA
1
51.2 MW12.1 Mvar
81.3 %0.133 kA
-51.0 MW-9.6 Mvar
81.3 %0.266 kA
1
-8.0 MW-25.1 Mvar
3.3 %0.067 kA
8.0 MW10.7 Mvar
3.3 %0.034 kA
-103.5 MW28.8 Mvar
32.4 %0.268 kA
106.8 MW-35.5 Mvar
32.4 %0.285 kA
-108.5 MW22.1 Mvar
37.6 %0.279 kA
110.3 MW-27.1 Mvar
37.6 %0.288 kA
18.0 MW-1.6 Mvar
7.2 %0.045 kA
-17.9 MW-12.4 Mvar
7.2 %0.055 kA
0.0
MW
-0.0
Mva
r0.
0 %
0.00
0 kA
18.3 MW-1.5 Mvar
7.4 %0.046 kA
-18.2 MW-12.5 Mvar
7.4 %0.056 kA
18.3 MW-1.5 Mvar
7.3 %0.046 kA
-18.2 MW-12.5 Mvar
7.3 %0.056 kA
-7.9 MW-25.1 Mvar
3.3 %0.067 kA
8.0 MW10.7 Mvar
3.3 %0.034 kA
-0.0 MW0.0 Mvar
0.2 %0.000 kA
105.4 MW27.5 Mvar
72.3 %0.272 kA
-105.1 MW-21.0 Mvar
72.3 %0.543 kA
-0.0
MW
0.0
Mva
r72
.3 %
0.00
0 kA
5 2WRK/WRK220229.27 kV1.04 p.u.
RPO/RPO220231.00 kV1.05 p.u.
HW
A-R
72
BRK/BRK220229.56 kV1.04 p.u.
BPE/BPE110112.61 kV1.02 p.u.
BPE/BPE220227.87 kV1.04 p.u.
PTA_110111.42 kV1.01 p.u.
MTN_110_2 MTN_110_1 104.32 kV0.95 p.u.
WVY/WVY110107.86 kV0.98 p.u.
WGN/WGN110105.51 kV0.96 p.u.
WAA/WAA110110.00 kV1.00 p.u.
HWA/HWA110110.00 kV1.00 p.u.
SFD/SFD110113.95 kV1.04 p.u.
TWH/TWH220228.68 kV1.04 p.u.
HLY/HLY220229.90 kV1.04 p.u.
TMN/TMN220229.99 kV1.05 p.u.
WKM/220229.68 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u.
TNG/TNG220229.26 kV1.04 p.u.
DIg
SILE
NT
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 26
Appendix D
D.2 110 kV HWA-WVY-1 and WGN-WVY-1 circuit
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 6/8/2009
Annex:
31.7km
27.9km
47.6km
35.4km
26.6km
NF10S oL1
2010 Summer110kV HWA-SFD out
-53.5 MW41.0 Mvar
0.0 %0.348 kA
-56.5 MW3.4 Mvar87.9 %
0.292 kA
-57.5 MW3.2 Mvar89.5 %
0.298 kA
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
-59.2 MW35.2 Mvar137.0 %0.361 kA
-49.5 MW6.6 Mvar78.9 %
0.262 kA
-48.6 MW6.9 Mvar77.6 %
0.258 kA
-0.0 MW20.5 Mvar
22.8 %0.106 kA
-0.0 MW14.4 Mvar
16.1 %0.074 kA
188.2 MW-44.1 Mvar
39.6 %0.487 kA
-174.0 MW43.9 Mvar
37.9 %0.451 kA
186.3 MW-12.0 Mva..
37.9 %0.467 kA
185.6 MW-11.5 Mva..
37.8 %0.465 kA
-176.3 MW20.1 Mvar
55.9 %0.449 kA
180.0 MW-11.9 Mvar
55.9 %0.451 kA
-177.3 MW20.3 Mvar
56.2 %0.451 kA
181.0 MW-11.9 Mvar
56.2 %0.453 kA
-83.3 MW13.3 Mvar
27.8 %0.211 kA
85.4 MW-26.3 Mvar
27.8 %0.224 kA
56.3 MW-36.3 Mvar
131.9 %0.351 kA
61.6 MW6.7 Mvar102.1 %0.155 kA
-61.4 MW-3.3 Mvar102.1 %0.310 kA
161.6 MW6.7 Mvar102.1 %0.155 kA
-61.4 MW-3.3 Mvar102.1 %0.310 kA
161.6 MW6.7 Mvar102.1 %0.155 kA
-61.4 MW-3.3 Mvar102.1 %0.310 kA
1-16.8 MW-13.3 Mvar
2.9 %0.054 kA
16.8 MW-1.3 Mvar
2.9 %0.042 kA
-83.3 MW13.2 Mvar
27.7 %0.211 kA
85.3 MW-26.3 Mvar
27.7 %0.224 kA
-68.3 MW6.7 Mvar28.6 %
0.172 kA
69.0 MW-19.1 Mvar
28.6 %0.179 kA
21.0 MW-10.7 Mvar
9.4 %0.059 kA
-21.0 MW-3.3 Mvar
9.4 %0.053 kA
0.0
MW
0.0
Mva
r0.
0 %
0.00
0 kA
21.4 MW-10.8 Mvar
9.8 %0.060 kA
-21.3 MW-3.2 Mvar
9.8 %0.054 kA
21.4 MW-10.8 Mvar
9.6 %0.060 kA
-21.3 MW-3.2 Mvar
9.6 %0.054 kA
-16.7 MW-13.3 Mvar
2.9 %0.054 kA
16.8 MW-1.3 Mvar
2.9 %0.042 kA
-0.0 MW20.5 Mvar
22.8 %0.106 kA
36.8 MW12.7 Mvar
27.2 %0.097 kA
-36.7 MW-11.2 Mva..
27.2 %0.193 kA
-0.0
MW
-0.0
Mva
r27
.2 %
0.00
0 kA
5 2
HW
A-R
72
BRK/BRK220231.04 kV1.05 p.u.
BPE/BPE110114.41 kV1.04 p.u.
BPE/BPE220230.33 kV1.05 p.u.
PTA_110113.28 kV1.03 p.u.
MTN_110_2 MTN_110_1 111.65 kV1.02 p.u.
WVY/WVY110110.24 kV1.00 p.u.
WGN/WGN110110.02 kV1.00 p.u.
WAA/WAA110112.25 kV1.02 p.u.
HWA/HWA110111.87 kV1.02 p.u.
SFD/SFD110114.78 kV1.04 p.u.
TWH/TWH220229.12 kV1.04 p.u.
HLY/HLY220229.90 kV1.04 p.u.
TMN/TMN220228.49 kV1.04 p.u.
WKM/WKM2..228.31 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u.
TNG/TNG220
230.67 kV1.05 p.u.
DIg
SILE
NT
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 6/8/2009
Annex:
31.7km
27.9km
47.6km
35.4km
26.6km
NF10W oL1
2010 Winter110kV HWA-SFD out
-52.5 MW33.9 Mvar
0.0 %0.329 kA
-54.0 MW2.1 Mvar69.1 %
0.280 kA
-55.2 MW1.9 Mvar70.6 %
0.286 kA
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
-57.9 MW28.4 Mvar106.2 %0.342 kA
-46.4 MW5.3 Mvar60.7 %
0.246 kA
-45.4 MW5.5 Mvar59.4 %
0.241 kA
-0.0 MW20.5 Mvar
23.3 %0.108 kA
-0.0 MW14.4 Mvar
14.9 %0.075 kA
134.6 MW-52.7 Mvar
28.3 %0.366 kA
55.0 MW-29.7 Mvar
102.1 %0.332 kA
-172.2 MW42.8 Mvar
35.7 %0.446 kA
184.3 MW-12.5 Mva..
35.7 %0.462 kA
188.6 MW-9.0 Mvar36.5 %
0.472 kA
-191.9 MW24.5 Mvar
55.9 %0.489 kA
196.3 MW-13.0 Mvar
55.9 %0.492 kA
-193.0 MW24.7 Mvar
56.2 %0.492 kA
197.4 MW-13.0 Mvar
56.2 %0.494 kA
-100.5 MW21.9 Mvar
30.8 %0.257 kA
103.6 MW-30.2 Mvar
30.8 %0.271 kA
63.3 MW6.0 Mvar97.5 %
0.160 kA
-63.1 MW-2.5 Mvar97.5 %
0.319 kA
1
63.3 MW6.0 Mvar97.5 %
0.160 kA
-63.1 MW-2.5 Mvar
97.5 %0.319 kA
1
63.3 MW6.0 Mvar97.5 %
0.160 kA
-63.1 MW-2.5 Mvar
97.5 %0.319 kA
1
-16.1 MW-17.5 Mvar
3.0 %0.060 kA
16.1 MW3.0 Mvar
3.0 %0.041 kA
-100.5 MW21.9 Mvar
30.8 %0.257 kA
103.5 MW-30.2 Mvar
30.8 %0.271 kA
-93.6 MW14.3 Mvar
32.1 %0.237 kA
94.9 MW-22.6 Mvar
32.1 %0.245 kA
20.3 MW-8.2 Mvar
7.1 %0.055 kA
-20.2 MW-5.8 Mvar
7.1 %0.053 kA
0.0
MW
0.0
Mva
r0.
0 %
0.00
0 kA
20.6 MW-8.2 Mvar
7.4 %0.056 kA
-20.6 MW-5.8 Mvar
7.4 %0.054 kA
20.6 MW-8.2 Mvar
7.3 %0.056 kA
-20.6 MW-5.8 Mvar
7.3 %0.054 kA
-16.0 MW-17.5 Mvar
3.0 %0.060 kA
16.1 MW2.9 Mvar
3.0 %0.041 kA
-0.0 MW20.5 Mvar
23.3 %0.108 kA
38.4 MW15.6 Mvar
27.3 %0.104 kA
-38.2 MW-14.0 Mva..
27.3 %0.205 kA
-0.0
MW
0.0
Mva
r27
.3 %
0.00
0 kA
5 2
HW
A-R
72
BRK/BRK220230.62 kV1.05 p.u.
BPE/BPE110114.08 kV1.04 p.u.
BPE/BPE220229.54 kV1.04 p.u.
PTA_110111.01 kV1.01 p.u.
MTN_110_2 MTN_110_1 111.31 kV1.01 p.u.
WVY/WVY110108.83 kV0.99 p.u.
WGN/WGN110109.70 kV1.00 p.u.
WAA/WAA110109.96 kV1.00 p.u.
HWA/HWA110109.58 kV1.00 p.u.
SFD/SFD110114.62 kV1.04 p.u.
TWH/TWH220228.28 kV1.04 p.u.
HLY/HLY220229.90 kV1.04 p.u.
TMN/TMN220227.99 kV1.04 p.u.
WKM/WKM2..228.24 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u.
TNG/TNG220
230.17 kV1.05 p.u.
DIg
SILE
NT
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 27
Appendix D
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 6/8/2009
Annex: NF30S oL1
31.7km
27.9km
47.6km
35.4km
26.6km
2030 Summer110kV HWA-SFD out
-140.5 MW11.8 Mvar
37.4 %0.355 kA
-32.8 MW16.3 Mvar
16.4 %0.092 kA
G~
-0.0 MW56.2 Mvar
56.2 %0.295 kA
-69.1 MW49.8 Mvar
0.0 %0.447 kA
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
-74.8 MW-2.3 Mvar115.1 %0.383 kA
-76.0 MW-2.6 Mvar117.0 %0.390 kA
-77.7 MW39.8 Mvar175.6 %0.464 kA
-66.2 MW3.0 Mvar104.6 %0.348 kA
-65.2 MW3.3 Mvar103.0 %0.343 kA
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
-0.0 MW14.4 Mvar
16.4 %0.075 kA
144.4 MW-28.7 Mvar
30.1 %0.370 kA
-137.9 MW23.0 Mvar
29.8 %0.351 kA
145.5 MW-20.0 Mvar
29.8 %0.367 kA
145.7 MW-19.0 Mvar
29.8 %0.367 kA
-173.9 MW30.1 Mvar
55.4 %0.444 kA
177.5 MW-22.3 Mvar
55.4 %0.447 kA
-174.8 MW30.3 Mvar
55.7 %0.446 kA
178.5 MW-22.4 Mvar
55.7 %0.450 kA
-81.1 MW22.4 Mvar
28.4 %0.210 kA
83.2 MW-34.9 Mvar
28.4 %0.229 kA
73.9 MW-41.3 Mva..169.2 %0.450 kA
81.2 MW25.9 Mvar142.2 %0.216 kA
-80.9 MW-20.0 Mvar142.2 %0.411 kA
3
81.2 MW25.9 Mvar142.2 %0.216 kA
-80.9 MW-20.0 Mvar142.2 %0.411 kA
3
81.2 MW25.9 Mvar142.2 %0.216 kA
-80.9 MW-20.0 Mvar
142.2 %0.411 kA
3
-38.2 MW-21.5 Mvar
6.1 %0.111 kA
38.3 MW7.7 Mvar
6.1 %0.098 kA
-81.0 MW22.3 Mvar
28.4 %0.210 kA
83.1 MW-34.9 Mvar
28.4 %0.229 kA
-76.9 MW17.0 Mvar
33.4 %0.198 kA
77.8 MW-27.6 Mvar
33.4 %0.210 kA
38.4 MW-2.3 Mvar
16.0 %0.096 kA
-38.3 MW-10.8 Mvar
16.0 %0.100 kA
0.0
MW
0.0
Mva
r0.
0 %
0.00
0 kA
39.1 MW-2.3 Mvar16.7 %
0.098 kA
-38.9 MW-10.8 Mvar
16.7 %0.102 kA
39.1 MW-2.3 Mvar16.2 %
0.098 kA
-38.9 MW-10.8 Mvar
16.2 %0.102 kA
-38.1 MW-21.5 Mvar
6.1 %0.111 kA
38.2 MW7.6 Mvar
6.1 %0.098 kA
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
44.1 MW15.7 Mvar
32.7 %0.117 kA
-43.9 MW-13.9 Mvar
32.7 %0.232 kA
-0.0
MW
-0.0
Mva
r32
.7 %
0.00
0 kA
5 2WRK/WRK220229.44 kV1.04 p.u.
RPO/RPO220231.00 kV1.05 p.u.
HW
A-R
72
BRK/BRK220229.18 kV1.04 p.u.
BPE/BPE110117.15 kV1.06 p.u.
BPE/BPE220227.46 kV1.03 p.u.
PTA_110111.42 kV1.01 p.u.
MTN_110_2 MTN_110_1 112.71 kV1.02 p.u.
WVY/WVY110108.53 kV0.99 p.u.
WGN/WGN110109.86 kV1.00 p.u.
WAA/WAA110110.00 kV1.00 p.u.
HWA/HWA110110.00 kV1.00 p.u.
SFD/SFD110114.61 kV1.04 p.u.
TWH/TWH220229.64 kV1.04 p.u.
HLY/HLY220229.90 kV1.04 p.u.
TMN/TMN220230.14 kV1.05 p.u.
WKM/220229.68 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u.
TNG/TNG220229.47 kV1.04 p.u.
DIg
SILE
NT
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 6/8/2009
Annex: NF30W oL1
31.7km
27.9km
47.6km
35.4km
26.6km
2030 Winter110kV HWA-SFD out
-158.3 MW15.1 Mvar
38.6 %0.401 kA
-51.2 MW22.8 Mvar
19.6 %0.140 kA
G~
0.0 MW76.9 Mvar
76.9 %0.404 kA
-67.8 MW61.5 Mvar
0.0 %0.481 kA
-72.9 MW3.6 Mvar95.5 %
0.387 kA
-74.2 MW3.3 Mvar97.3 %
0.395 kA
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
-77.1 MW49.6 Mvar153.5 %0.496 kA
-63.4 MW9.1 Mvar85.7 %
0.347 kA
-62.2 MW9.4 Mvar84.2 %
0.341 kA
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
-0.0 MW14.4 Mvar
14.9 %0.075 kA
69.1 MW-38.1 Mvar
15.4 %0.199 kA
-130.8 MW19.4 Mvar
26.9 %0.332 kA
137.5 MW-21.2 Mvar
26.9 %0.348 kA
144.9 MW-16.7 Mvar
28.2 %0.364 kA
-190.2 MW35.4 Mvar
55.7 %0.486 kA
194.6 MW-24.1 Mvar
55.7 %0.490 kA
-191.3 MW35.6 Mvar
56.0 %0.489 kA
195.7 MW-24.1 Mvar
56.0 %0.493 kA
-99.1 MW28.6 Mvar
31.3 %0.258 kA
102.2 MW-36.4 Mvar
31.3 %0.275 kA
73.3 MW-51.5 Mva..149.0 %0.484 kA
81.4 MW12.0 Mvar127.3 %0.209 kA
-81.0 MW-5.9 Mvar127.3 %0.417 kA
1
81.4 MW12.0 Mvar127.3 %0.209 kA
-81.0 MW-5.9 Mvar127.3 %0.417 kA
1
81.4 MW12.0 Mvar127.3 %0.209 kA
-81.0 MW-5.9 Mvar127.3 %0.417 kA
1
-40.2 MW-21.5 Mvar
5.8 %0.116 kA
40.3 MW7.8 Mvar
5.8 %0.103 kA
-99.1 MW28.6 Mvar
31.3 %0.258 kA
102.2 MW-36.4 Mvar
31.3 %0.275 kA
-104.5 MW22.5 Mvar
36.5 %0.269 kA
106.2 MW-28.2 Mvar
36.5 %0.279 kA
39.4 MW-2.6 Mvar
13.4 %0.099 kA
-39.2 MW-10.5 Mvar
13.4 %0.102 kA
0.0
MW
0.0
Mva
r0.
0 %
0.00
0 kA
40.1 MW-2.6 Mvar13.8 %
0.100 kA
-39.9 MW-10.5 Mvar
13.8 %0.104 kA
40.1 MW-2.6 Mvar13.6 %
0.100 kA
-39.9 MW-10.5 Mvar
13.6 %0.104 kA
-40.1 MW-21.5 Mvar
5.8 %0.116 kA
40.2 MW7.7 Mvar
5.8 %0.103 kA
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
47.0 MW19.2 Mvar
33.6 %0.127 kA
-46.8 MW-17.2 Mvar
33.6 %0.252 kA
-0.0
MW
-0.0
Mva
r33
.6 %
0.00
0 kA
5 2WRK/WRK220229.28 kV1.04 p.u.
RPO/RPO220231.00 kV1.05 p.u.
HW
A-R
72
BRK/BRK220229.21 kV1.04 p.u.
BPE/BPE110112.48 kV1.02 p.u.
BPE/BPE220227.46 kV1.03 p.u.
PTA_110111.42 kV1.01 p.u.
MTN_110_2 MTN_110_1 108.62 kV0.99 p.u.
WVY/WVY110106.85 kV0.97 p.u.
WGN/WGN110106.45 kV0.97 p.u.
WAA/WAA110110.00 kV1.00 p.u.
HWA/HWA110110.00 kV1.00 p.u.
SFD/SFD110114.41 kV1.04 p.u.
TWH/TWH220228.57 kV1.04 p.u.
HLY/HLY220229.90 kV1.04 p.u.
TMN/TMN220229.70 kV1.04 p.u.
WKM/220229.68 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u.
TNG/TNG220229.16 kV1.04 p.u.
DIg
SILE
NT
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 28
Appendix D
D.3 110 kV BPE-MTN-WGN 1 & 2 circuit With Hawera Generation
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 6/8/2009
Annex: NF20S oL1 gen
31.7km
27.9km
47.6km
35.4km
26.6km
2020 Summer110kV HWA-SFD out
with 6MW HWA generation
-138.5 MW11.4 Mvar
36.8 %0.350 kA
-30.7 MW12.2 Mvar
14.7 %0.083 kA
G~
0.0 MW37.9 Mvar
37.9 %0.199 kA
-57.5 MW33.8 Mvar
0.0 %0.350 kA
-64.2 MW-3.5 Mvar
97.7 %0.325 kA
-65.3 MW-3.8 Mvar99.5 %
0.331 kA
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
-63.9 MW27.6 Mvar138.8 %0.367 kA
-56.5 MW0.4 Mvar87.9 %
0.293 kA
-55.5 MW0.7 Mvar86.5 %
0.288 kA
-0.0 MW0.0 Mvar
0.2 %0.000 kA
6.0 MW14.3 Mvar
17.5 %0.080 kA
152.2 MW-29.9 Mvar
31.7 %0.390 kA
-142.3 MW25.3 Mvar
30.8 %0.363 kA
150.3 MW-19.3 Mvar
30.8 %0.379 kA
150.1 MW-18.5 Mvar
30.7 %0.378 kA
-174.2 MW30.2 Mvar
55.5 %0.444 kA
177.8 MW-22.4 Mvar
55.5 %0.448 kA
-175.1 MW30.4 Mvar
55.8 %0.447 kA
178.8 MW-22.4 Mvar
55.8 %0.450 kA
-81.3 MW19.5 Mvar
28.0 %0.209 kA
83.4 MW-32.4 Mvar
28.0 %0.226 kA
60.4 MW-29.0 Mva..132.6 %0.353 kA
71.8 MW23.2 Mvar125.4 %0.191 kA
-71.5 MW-18.6 Mvar125.4 %0.362 kA
3
71.8 MW23.2 Mvar125.4 %0.191 kA
-71.5 MW-18.6 Mvar125.4 %0.362 kA
3
71.8 MW23.2 Mvar125.4 %0.191 kA
-71.5 MW-18.6 Mvar
125.4 %0.362 kA
3
-43.0 MW-17.5 Mvar
6.4 %0.117 kA
43.1 MW3.7 Mvar
6.4 %0.109 kA
-81.3 MW19.5 Mvar
28.0 %0.209 kA
83.3 MW-32.4 Mvar
28.0 %0.226 kA
-72.3 MW13.7 Mvar
31.2 %0.185 kA
73.1 MW-25.0 Mvar
31.2 %0.195 kA
40.1 MW-5.6 Mvar
16.3 %0.101 kA
-39.9 MW-7.4 Mvar
16.3 %0.102 kA
0.0
MW
0.0
Mva
r0.
0 %
0.00
0 kA
40.8 MW-5.7 Mvar17.0 %
0.103 kA
-40.6 MW-7.4 Mvar17.0 %
0.104 kA
40.8 MW-5.7 Mvar16.5 %
0.103 kA
-40.6 MW-7.4 Mvar16.5 %
0.104 kA
-42.9 MW-17.5 Mvar
6.4 %0.117 kA
43.0 MW3.7 Mvar
6.4 %0.109 kA
-0.0 MW0.0 Mvar
0.2 %0.000 kA
39.6 MW13.7 Mvar
29.3 %0.105 kA
-39.4 MW-12.1 Mvar
29.3 %0.208 kA
-0.0
MW
-0.0
Mva
r29
.3 %
0.00
0 kA
5 2WRK/WRK220229.46 kV1.04 p.u.
RPO/RPO220231.00 kV1.05 p.u.
HW
A-R
72
BRK/BRK220229.71 kV1.04 p.u.
BPE/BPE110117.85 kV1.07 p.u.
BPE/BPE220228.30 kV1.04 p.u.
PTA_110111.66 kV1.02 p.u.
MTN_110_2 MTN_110_1 113.96 kV1.04 p.u.
WVY/WVY110109.69 kV1.00 p.u.
WGN/WGN110111.39 kV1.01 p.u.
WAA/WAA110110.00 kV1.00 p.u.
HWA/HWA110110.00 kV1.00 p.u.
SFD/SFD110114.72 kV1.04 p.u.
TWH/TWH220229.63 kV1.04 p.u.
HLY/HLY220229.90 kV1.04 p.u.
TMN/TMN220230.00 kV1.05 p.u.
WKM/220229.68 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u.
TNG/TNG220229.86 kV1.04 p.u.
DIg
SILE
NT
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 6/8/2009
Annex: NF30S oL1 gen
31.7km
27.9km
47.6km
35.4km
26.6km
2030 Summer110kV HWA-SFD out
with 16MW HWA generation
-140.4 MW11.8 Mvar
37.3 %0.354 kA
-32.7 MW15.5 Mvar
16.1 %0.091 kA
G~
0.0 MW39.9 Mvar
39.9 %0.209 kA
-53.2 MW32.6 Mvar
0.0 %0.328 kA
-63.7 MW-4.3 Mvar
97.5 %0.325 kA
-64.9 MW-4.6 Mvar99.5 %
0.331 kA
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
-59.6 MW27.0 Mvar130.8 %0.345 kA
-55.6 MW-0.3 Mvar
87.0 %0.290 kA
-54.6 MW0.0 Mvar85.4 %
0.284 kA
-0.0 MW0.0 Mvar
0.2 %0.000 kA
15.9 MW13.7 Mvar
23.1 %0.108 kA
144.3 MW-28.6 Mvar
30.0 %0.370 kA
-137.8 MW23.0 Mvar
29.8 %0.351 kA
145.3 MW-20.1 Mvar
29.8 %0.367 kA
145.5 MW-19.0 Mvar
29.8 %0.367 kA
-173.8 MW30.1 Mvar
55.4 %0.443 kA
177.4 MW-22.3 Mvar
55.4 %0.447 kA
-174.7 MW30.3 Mvar
55.7 %0.446 kA
178.4 MW-22.4 Mvar
55.7 %0.449 kA
-81.0 MW21.5 Mvar
28.2 %0.209 kA
83.1 MW-34.2 Mvar
28.2 %0.228 kA
55.8 MW-28.5 Mva..124.2 %0.330 kA
74.2 MW24.9 Mvar130.3 %0.198 kA
-73.9 MW-20.0 Mvar130.3 %0.377 kA
3
74.2 MW24.9 Mvar130.3 %0.198 kA
-73.9 MW-20.0 Mvar130.3 %0.377 kA
3
74.2 MW24.9 Mvar130.4 %0.198 kA
-73.9 MW-20.0 Mvar
130.4 %0.377 kA
3
-38.4 MW-20.3 Mvar
6.0 %0.110 kA
38.4 MW6.5 Mvar
6.0 %0.098 kA
-80.9 MW21.5 Mvar
28.2 %0.209 kA
83.0 MW-34.2 Mvar
28.2 %0.228 kA
-76.7 MW16.2 Mvar
33.2 %0.197 kA
77.7 MW-26.8 Mvar
33.2 %0.208 kA
38.5 MW-3.1 Mvar
15.9 %0.097 kA
-38.4 MW-10.0 Mvar
15.9 %0.100 kA
0.0
MW
0.0
Mva
r0.
0 %
0.00
0 kA
39.2 MW-3.1 Mvar16.6 %
0.098 kA
-39.0 MW-10.0 Mvar
16.6 %0.101 kA
39.2 MW-3.1 Mvar16.2 %
0.098 kA
-39.0 MW-10.0 Mvar
16.2 %0.101 kA
-38.3 MW-20.3 Mvar
6.0 %0.110 kA
38.4 MW6.5 Mvar
6.0 %0.098 kA
-0.0 MW0.0 Mvar
0.2 %0.000 kA
44.1 MW15.7 Mvar
32.7 %0.117 kA
-43.9 MW-13.9 Mvar
32.7 %0.232 kA
-0.0
MW
0.0
Mva
r32
.7 %
0.00
0 kA
5 2WRK/WRK220229.44 kV1.04 p.u.
RPO/RPO220231.00 kV1.05 p.u.
HW
A-R
72
BRK/BRK220229.31 kV1.04 p.u.
BPE/BPE110117.36 kV1.07 p.u.
BPE/BPE220227.70 kV1.03 p.u.
PTA_110112.00 kV1.02 p.u.
MTN_110_2 MTN_110_1 113.38 kV1.03 p.u.
WVY/WVY110109.48 kV1.00 p.u.
WGN/WGN110110.78 kV1.01 p.u.
WAA/WAA110110.00 kV1.00 p.u.
HWA/HWA110110.00 kV1.00 p.u.
SFD/SFD110114.61 kV1.04 p.u.
TWH/TWH220229.64 kV1.04 p.u.
HLY/HLY220229.90 kV1.04 p.u.
TMN/TMN220230.15 kV1.05 p.u.
WKM/220229.68 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u.
TNG/TNG220229.55 kV1.04 p.u.
DIg
SILE
NT
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 29
Appendix D
D.4 Duplexing the 220 kV BPE-SFD circuits and 135 MW Waverley Wind Farm
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 6/5/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
External GridActive Power [MW]Reactive Power [Mvar]
31.7km
27.9km
47.6km
35.4km
26.6km
DSF20S D
2020 Summer - Maximum South FlowDuplexing 220kV BRK-SFD circuits
-109.1 MW19.5 Mvar218.9 %0.582 kA
0.0 MW0.0 Mvar
0.0 MW0.0 Mvar
0.0 %0.000 kA
-9.3 MW-15.8 Mvar
29.7 %0.099 kA
-10.3 MW-16.1 Mvar
31.0 %0.103 kA
40.7 MW-6.7 Mvar83.2 %
0.221 kA
-2.9 MW-14.3 Mvar
24.1 %0.080 kA
-1.8 MW-14.1 Mvar
23.3 %0.078 kA
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
-0.0 MW14.4 Mvar16.4 %
0.075 kA
-44.2 MW5.3 Mvar90.0 %
0.239 kA
32.0 MW5.0 Mvar55.9 %
0.085 kA
-31.9 MW-4.0 Mvar55.9 %
0.170 kA
1
32.0 MW5.0 Mvar55.9 %
0.085 kA
-31.9 MW-4.0 Mvar55.9 %
0.170 kA
1
32.0 MW5.0 Mvar55.9 %
0.085 kA
-31.9 MW-4.0 Mvar55.9 %
0.170 kA
1
-363.9 MW56.3 Mvar53.3 %
0.968 kA
370.7 MW-11.7 Mvar53.3 %
0.971 kA
264.3 MW36.9 Mvar53.4 %
0.667 kA
-255.5 MW2.4 Mvar53.4 %
0.669 kA
-45.
6 M
W3.
7 M
var
47.9
%0.
239
kA
269.0 MW37.2 Mvar54.3 %
0.679 kA
-260.0 MW3.0 Mvar54.3 %
0.681 kA
269.0 MW37.2 Mvar54.3 %
0.679 kA
-260.0 MW3.0 Mvar54.3 %
0.681 kA
-363.1 MW56.2 Mvar53.2 %
0.966 kA
369.9 MW-11.7 Mvar53.2 %
0.969 kA
G~
0.0 MW23.2 Mvar
23.2 %0.122 kA
563.2 MW169.6 Mvar
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
122.6 MW19.5 Mvar87.4 %
0.310 kA
-122.2 MW-11.3 Mvar
87.4 %0.619 kA
-0.0
MW
-0.0
Mva
r87
.4 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220220.43 kV1.00 p.u.
BPE/BPE110109.19 kV0.99 p.u.
BPE/BPE220219.60 kV1.00 p.u.
PTA_110111.42 kV1.01 p.u.
MTN_110_2 MTN_110_1 106.78 kV0.97 p.u.
WVY/WVY110107.71 kV0.98 p.u.
WGN/WGN110105.24 kV0.96 p.u.
WAA/WAA110110.00 kV1.00 p.u.
HWA/HWA110110.00 kV1.00 p.u.
SFD/SFD110114.41 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u. D
IgSI
LEN
T
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 7/15/2009
Annex: DNF20S D&G
31.7km
27.9km
47.6km
35.4km
26.6km
2020 Summer - Maximum North FlowDuplexing 220kV BRK-SFD circuits
and Proposed Wind Generation
135.0 MW-0.0 Mvar
-145.1 MW13.1 Mvar
38.6 %0.367 kA
-37.6 MW7.9 Mvar16.3 %
0.096 kA
G~
0.0 MW0.0 Mvar
0.0 %0.000 kA
-62.5 MW5.1 Mvar
0.0 %0.319 kA
2.7 MW-13.7 Mvar
21.5 %0.071 kA
1.7 MW-14.0 Mvar
21.7 %0.072 kA
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
External GridActive Power [MW]Reactive Power [Mvar]
66.6 MW0.1 Mvar123.1 %0.327 kA
9.1 MW-12.4 Mvar
23.9 %0.079 kA
10.2 MW-12.1 Mvar
24.6 %0.082 kA
-1.0 MW-8.7 Mvar16.7 %
0.044 kA
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
-0.0 MW14.4 Mvar
16.0 %0.073 kA
156.8 MW-31.8 Mvar
32.7 %0.402 kA
64.9 MW-1.4 Mvar120.1 %0.319 kA
-146.8 MW27.8 Mvar
31.8 %0.375 kA
155.4 MW-18.4 Mvar
31.8 %0.391 kA
155.2 MW-17.6 Mvar
31.7 %0.390 kA
-181.6 MW32.6 Mvar
57.9 %0.464 kA
185.5 MW-23.2 Mvar
57.9 %0.467 kA
-182.6 MW32.8 Mvar
58.2 %0.466 kA
186.6 MW-23.2 Mvar
58.2 %0.470 kA
-89.1 MW15.9 Mvar
29.7 %0.226 kA
91.5 MW-27.5 Mvar
29.7 %0.240 kA
28.2 MW9.7 Mvar49.2 %
0.075 kA
-28.1 MW-8.9 Mvar49.2 %
0.149 kA
1
28.2 MW9.7 Mvar49.2 %
0.075 kA
-28.1 MW-8.9 Mvar49.2 %
0.149 kA
1
28.2 MW9.7 Mvar49.2 %
0.075 kA
-28.1 MW-8.9 Mvar
49.2 %0.149 kA
1
-37.6 MW-9.8 Mvar
5.3 %0.097 kA
37.6 MW-4.4 Mvar
5.3 %0.095 kA
-89.0 MW15.9 Mvar
29.7 %0.226 kA
91.4 MW-27.5 Mvar
29.7 %0.239 kA
-79.2 MW9.1 Mvar33.0 %
0.200 kA
80.1 MW-19.9 Mvar
33.0 %0.207 kA
36.5 MW-11.2 Mvar
7.6 %0.095 kA
-36.3 MW-2.1 Mvar
7.6 %0.091 kA
0.0
MW
0.0
Mva
r0.
0 %
0.00
0 kA
37.1 MW-11.4 Mvar
7.7 %0.097 kA
-36.9 MW-1.9 Mvar
7.7 %0.092 kA
37.1 MW-11.4 Mvar
7.7 %0.097 kA
-36.9 MW-1.9 Mvar
7.7 %0.092 kA
-37.5 MW-9.8 Mvar
5.3 %0.097 kA
37.6 MW-4.4 Mvar
5.3 %0.095 kA
-0.0 MW-0.0 Mvar
0.2 %0.000 kA
39.8 MW19.5 Mvar
30.9 %0.111 kA
-39.7 MW-17.7 Mvar
30.9 %0.219 kA
-0.0
MW
-0.0
Mva
r30
.9 %
0.00
0 kA
5 2WRK/WRK220229.46 kV1.04 p.u.
RPO/RPO220231.00 kV1.05 p.u.
HW
A-R
72
BRK/BRK220230.75 kV1.05 p.u.
BPE/BPE110114.01 kV1.04 p.u.
BPE/BPE220230.12 kV1.05 p.u.
PTA_110114.88 kV1.04 p.u.
MTN_110_2 MTN_110_1 112.57 kV1.02 p.u.
WVY/WVY110117.38 kV1.07 p.u.
WGN/WGN110111.87 kV1.02 p.u.
WAA/WAA110113.50 kV1.03 p.u.
HWA/HWA110113.50 kV1.03 p.u.
SFD/SFD110114.40 kV1.04 p.u.
TWH/TWH220229.56 kV1.04 p.u.
HLY/HLY220229.90 kV1.04 p.u.
TMN/TMN220229.80 kV1.04 p.u.
WKM/220229.68 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u.
TNG/TNG220230.43 kV1.05 p.u.
DIg
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Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 30
Appendix D
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 7/15/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
External GridActive Power [MW]Reactive Power [Mvar]
31.7km
27.9km
47.6km
35.4km
26.6km
DSF20S D&G
2020 Summer - Maximum South FlowDuplexing 220kV BRK-SFD circuits
and Proposed Wind Generation
-53.7 MW-0.5 Mvar104.8 %0.279 kA
135.0 MW-0.0 Mvar
0.0 MW0.0 Mvar
0.0 %0.000 kA
25.1 MW-26.4 Mvar
59.7 %0.199 kA
24.2 MW-26.8 Mvar
59.2 %0.197 kA
121.7 MW-3.8 Mvar233.7 %0.622 kA
32.2 MW-23.6 Mvar
66.1 %0.220 kA
33.4 MW-23.3 Mvar
67.3 %0.224 kA
-0.0 MW0.0 Mvar
0.2 %0.000 kA
-0.0 MW14.4 Mvar16.2 %
0.074 kA
9.8 MW2.5 Mvar20.1 %
0.052 kA
11.4 MW10.8 Mvar27.4 %
0.042 kA
-11.4 MW-10.6 Mvar
27.4 %0.083 kA
1
11.4 MW10.8 Mvar27.4 %
0.042 kA
-11.4 MW-10.6 Mvar
27.4 %0.083 kA
1
11.4 MW10.8 Mvar27.4 %
0.042 kA
-11.4 MW-10.6 Mvar
27.4 %0.083 kA
1
-360.8 MW46.8 Mvar53.1 %
0.965 kA
367.6 MW-2.4 Mvar53.1 %
0.967 kA
262.2 MW42.6 Mvar53.2 %
0.664 kA
-253.5 MW-3.7 Mvar53.2 %
0.667 kA
9.8
MW
3.5
Mva
r10
.7 %
0.05
4 kA
266.8 MW43.1 Mvar54.1 %
0.676 kA
-257.9 MW-3.2 Mvar54.1 %
0.679 kA
266.8 MW43.1 Mvar54.1 %
0.676 kA
-257.9 MW-3.2 Mvar54.1 %
0.679 kA
-360.1 MW46.7 Mvar53.0 %
0.963 kA
366.8 MW-2.4 Mvar53.0 %
0.965 kA
G~
0.0 MW0.0 Mvar
0.0 %0.000 kA
495.2 MW192.4 Mvar
-0.0 MW0.0 Mvar
0.2 %0.000 kA
78.9 MW20.3 Mvar57.3 %
0.204 kA
-78.7 MW-16.3 Mvar
57.3 %0.406 kA
-0.0
MW
0.0
Mva
r57
.3 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220219.43 kV1.00 p.u.
BPE/BPE110107.68 kV0.98 p.u.
BPE/BPE220217.73 kV0.99 p.u.
PTA_110112.75 kV1.03 p.u.
MTN_110_2 MTN_110_1 105.75 kV0.96 p.u.
WVY/WVY110113.06 kV1.03 p.u.
WGN/WGN110104.83 kV0.95 p.u.
WAA/WAA110111.35 kV1.01 p.u.
HWA/HWA110111.34 kV1.01 p.u.
SFD/SFD110114.34 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u. D
IgSI
LEN
T
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 7/15/2009
Annex: DNF20SH
31.7km
27.9km
47.6km
35.4km
26.6km
2020 Summer - Maximum North FlowDuplexing 220kV BRK-SFD circuits
and Proposed Wind Generation
with Maximum HWA Generation
135.0 MW-0.0 Mvar
-142.2 MW12.3 Mvar
37.8 %0.359 kA
-34.5 MW7.1 Mvar15.1 %
0.088 kA
G~
0.0 MW0.0 Mvar
0.0 %0.000 kA
-41.1 MW-2.0 Mvar
0.0 %0.208 kA
12.5 MW-18.9 Mvar
35.0 %0.117 kA
11.5 MW-19.2 Mvar
34.7 %0.115 kA
57.2 MW-21.7 Mvar115.9 %0.308 kA
89.4 MW-4.1 Mvar165.0 %0.439 kA
19.2 MW-17.2 Mvar
40.1 %0.133 kA
20.3 MW-16.9 Mvar
41.1 %0.137 kA
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
External GridActive Power [MW]Reactive Power [Mvar]
25.0 MW-1.3 Mvar27.0 %
0.126 kA
29.9 MW-2.4 Mvar31.1 %
0.150 kA
161.6 MW-34.0 Mvar
33.7 %0.415 kA
42.2 MW2.8 Mvar78.1 %
0.207 kA
-151.5 MW30.4 Mvar
32.8 %0.388 kA
160.7 MW-17.5 Mvar
32.8 %0.404 kA
160.5 MW-16.7 Mvar
32.8 %0.403 kA
-178.4 MW31.5 Mvar
56.9 %0.455 kA
182.2 MW-22.8 Mvar
56.9 %0.459 kA
-179.4 MW31.8 Mvar
57.2 %0.458 kA
183.2 MW-22.9 Mvar
57.2 %0.461 kA
-85.8 MW14.8 Mvar
28.6 %0.218 kA
87.9 MW-27.2 Mvar
28.6 %0.231 kA
22.7 MW12.3 Mvar
42.5 %0.065 kA
-22.6 MW-11.7 Mvar
42.5 %0.129 kA
1
22.7 MW12.3 Mvar
42.5 %0.065 kA
-22.6 MW-11.7 Mvar
42.5 %0.129 kA
1
22.7 MW12.3 Mvar
42.5 %0.065 kA
-22.6 MW-11.7 Mvar
42.5 %0.129 kA
1
-60.1 MW-5.5 Mvar
8.3 %0.151 kA
60.2 MW-7.8 Mvar
8.3 %0.152 kA
-85.7 MW14.8 Mvar
28.6 %0.217 kA
87.9 MW-27.2 Mvar
28.6 %0.231 kA
-76.1 MW8.5 Mvar31.8 %
0.192 kA
77.0 MW-19.8 Mvar
31.8 %0.199 kA
51.5 MW-12.5 Mvar
10.6 %0.132 kA
-51.2 MW0.2 Mvar10.6 %
0.128 kA
-0.0
MW
0.0
Mva
r0.
0 %
0.00
0 kA
52.4 MW-12.7 Mvar
10.7 %0.135 kA
-52.0 MW0.4 Mvar10.7 %
0.130 kA
52.4 MW-12.7 Mvar
10.7 %0.135 kA
-52.0 MW0.4 Mvar10.7 %
0.130 kA
-59.9 MW-5.5 Mvar
8.3 %0.151 kA
60.1 MW-7.8 Mvar
8.3 %0.152 kA
25.0 MW-1.3 Mvar27.0 %
0.126 kA
-1.6 MW28.0 Mvar
19.2 %0.070 kA
1.7 MW-26.9 Mvar
19.2 %0.136 kA
-0.0
MW
0.0
Mva
r19
.2 %
0.00
0 kA
5 2WRK/WRK220229.46 kV1.04 p.u.
RPO/RPO220231.00 kV1.05 p.u.
HW
A-R
72
BRK/BRK220230.63 kV1.05 p.u.
BPE/BPE110113.75 kV1.03 p.u.
BPE/BPE220230.11 kV1.05 p.u.
PTA_110115.50 kV1.05 p.u.
MTN_110_2 MTN_110_1 112.21 kV1.02 p.u.
WVY/WVY110117.67 kV1.07 p.u.
WGN/WGN110111.46 kV1.01 p.u.
WAA/WAA110114.75 kV1.04 p.u.
HWA/HWA110114.53 kV1.04 p.u.
SFD/SFD110114.00 kV1.04 p.u.
TWH/TWH220229.48 kV1.04 p.u.
HLY/HLY220229.90 kV1.04 p.u.
TMN/TMN220229.59 kV1.04 p.u.
WKM/220229.68 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u.
TNG/TNG220230.44 kV1.05 p.u.
DIg
SILE
NT
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 31
Appendix D
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 7/15/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
External GridActive Power [MW]Reactive Power [Mvar]
31.7km
27.9km
47.6km
35.4km
26.6km
DSF20SH
2020 Summer - Maximum South FlowDuplexing 220kV BRK-SFD circuits
and Proposed Wind Generation
with Maximum HWA Generation 135.0 MW-0.0 Mvar
0.0 MW0.0 Mvar
0.0 %0.000 kA
30.8 MW-29.2 Mvar
69.7 %0.232 kA
29.9 MW-29.5 Mvar
69.1 %0.230 kA
136.6 MW-2.2 Mvar260.5 %0.693 kA
38.2 MW-25.8 Mvar
76.4 %0.254 kA
39.4 MW-25.5 Mvar
77.7 %0.259 kA
11.0 MW-12.3 Mvar
31.4 %0.083 kA
25.0 MW-1.3 Mvar27.2 %
0.127 kA
29.9 MW7.2 Mvar32.1 %
0.154 kA
-5.1 MW0.9 Mvar10.4 %
0.026 kA
8.0 MW12.8 Mvar26.2 %
0.040 kA
-7.9 MW-12.5 Mvar
26.2 %0.080 kA
1
8.0 MW12.8 Mvar26.2 %
0.040 kA
-7.9 MW-12.5 Mvar
26.2 %0.080 kA
1
8.0 MW12.8 Mvar26.3 %
0.040 kA
-7.9 MW-12.5 Mvar
26.3 %0.080 kA
1
-356.5 MW44.3 Mvar52.4 %
0.953 kA
363.1 MW-1.4 Mvar52.4 %
0.955 kA
259.1 MW42.1 Mvar52.6 %
0.656 kA
-250.6 MW-4.4 Mvar52.6 %
0.659 kA
-5.1
MW
2.0
Mva
r5.
6 %
0.02
8 kA
263.6 MW42.5 Mvar53.5 %
0.667 kA
-254.9 MW-3.9 Mvar53.5 %
0.671 kA
263.6 MW42.5 Mvar53.5 %
0.667 kA
-254.9 MW-3.9 Mvar53.5 %
0.671 kA
-355.8 MW44.2 Mvar52.3 %
0.951 kA
362.4 MW-1.4 Mvar52.3 %
0.953 kA
G~
0.0 MW0.0 Mvar
0.0 %0.000 kA
417.3 MW196.7 Mvar
25.0 MW-1.3 Mvar27.2 %
0.127 kA
31.1 MW21.4 Mvar26.2 %
0.094 kA
-31.0 MW-19.9 Mvar
26.2 %0.186 kA
-0.0
MW
0.0
Mva
r26
.2 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220219.51 kV1.00 p.u.
BPE/BPE110107.46 kV0.98 p.u.
BPE/BPE220217.70 kV0.99 p.u.
PTA_110115.50 kV1.05 p.u.
MTN_110_2 MTN_110_1 105.48 kV0.96 p.u.
WVY/WVY110113.82 kV1.03 p.u.
WGN/WGN110104.58 kV0.95 p.u.
WAA/WAA110113.85 kV1.04 p.u.
HWA/HWA110113.64 kV1.03 p.u.
SFD/SFD110114.31 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u. D
IgSI
LEN
T
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 6/30/2009
Annex: DNF20SH o3
31.7km
27.9km
47.6km
35.4km
26.6km
2020 SummerDuplexing 220kV BRK-SFD circuits
and Proposed Wind Generation
with Maximum HWA Generation110kV WGN-WVY out
135.0 MW0.0 Mvar
-138.9 MW11.5 Mvar
36.9 %0.351 kA
-31.2 MW7.2 Mvar13.9 %
0.080 kA
G~
0.0 MW-38.4 Mvar
38.4 %0.201 kA
-121.6 MW20.1 Mvar
0.0 %0.647 kA
-29.0 MW-11.7 Mvar
48.9 %0.163 kA
-30.1 MW-11.9 Mvar
50.6 %0.169 kA
-22.4 MW-10.0 Mvar
39.1 %0.130 kA
-21.4 MW-9.7 Mvar37.4 %
0.125 kA
137.6 MW-68.4 Mvar303.2 %0.806 kA
25.0 MW-1.3 Mvar28.1 %
0.131 kA
29.9 MW12.1 Mvar
34.7 %0.165 kA
167.8 MW-36.8 Mvar
35.1 %0.432 kA
131.5 MW-1.3 Mvar243.5 %0.648 kA
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
External GridActive Power [MW]Reactive Power [Mvar]
-157.6 MW33.9 Mvar
34.2 %0.405 kA
167.6 MW-16.2 Mvar
34.2 %0.421 kA
167.4 MW-15.4 Mvar
34.1 %0.420 kA
-174.9 MW30.4 Mvar
55.7 %0.446 kA
178.5 MW-22.4 Mvar
55.7 %0.450 kA
-175.8 MW30.6 Mvar
56.0 %0.449 kA
179.5 MW-22.5 Mvar
56.0 %0.452 kA
-82.1 MW14.4 Mvar
27.5 %0.208 kA
84.1 MW-27.7 Mvar
27.5 %0.222 kA
48.3 MW10.3 Mvar
81.5 %0.124 kA
-48.1 MW-8.2 Mvar81.5 %
0.248 kA
1
48.3 MW10.3 Mvar
81.5 %0.124 kA
-48.1 MW-8.2 Mvar81.5 %
0.248 kA
1
48.3 MW10.3 Mvar
81.5 %0.124 kA
-48.1 MW-8.2 Mvar
81.5 %0.248 kA
1
-87.3 MW-0.7 Mvar12.2 %
0.219 kA
87.7 MW-10.9 Mvar
12.2 %0.222 kA
-82.0 MW14.4 Mvar
27.5 %0.208 kA
84.0 MW-27.7 Mvar
27.5 %0.222 kA
-72.7 MW8.6 Mvar30.6 %
0.184 kA
73.5 MW-20.3 Mvar
30.6 %0.192 kA
69.9 MW-12.9 Mvar
14.2 %0.178 kA
-69.3 MW2.2 Mvar14.2 %
0.174 kA
0.0
MW
0.0
Mva
r0.
0 %
0.00
0 kA
71.1 MW-13.1 Mvar
14.4 %0.181 kA
-70.4 MW2.5 Mvar14.4 %
0.177 kA
71.1 MW-13.1 Mvar
14.4 %0.181 kA
-70.4 MW2.5 Mvar14.4 %
0.177 kA
-87.2 MW-0.8 Mvar12.1 %
0.219 kA
87.5 MW-11.0 Mvar
12.1 %0.221 kA
25.0 MW-1.3 Mvar28.1 %
0.131 kA
-56.0 MW76.6 Mvar
66.5 %0.237 kA
56.3 MW-71.5 Mvar
66.5 %0.471 kA
-0.0
MW
-0.0
Mva
r66
.5 %
0.00
0 kA
5 2WRK/WRK220229.46 kV1.04 p.u.
RPO/RPO220231.00 kV1.05 p.u.
HW
A-R
72
BRK/BRK220230.32 kV1.05 p.u.
BPE/BPE110113.80 kV1.03 p.u.
BPE/BPE220229.86 kV1.04 p.u.
PTA_110112.38 kV1.02 p.u.
MTN_110_2 MTN_110_1 110.89 kV1.01 p.u.
WVY/WVY110117.25 kV1.07 p.u.
WGN/WGN110108.92 kV0.99 p.u.
WAA/WAA110110.22 kV1.00 p.u.
HWA/HWA110110.00 kV1.00 p.u.
SFD/SFD110111.47 kV1.01 p.u.
TWH/TWH220229.37 kV1.04 p.u.
HLY/HLY220229.90 kV1.04 p.u.
TMN/TMN220229.29 kV1.04 p.u.
WKM/220229.68 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u.
TNG/TNG220230.38 kV1.05 p.u.
DIg
SILE
NT
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 32
Appendix D
PowerFactory 13.2.333
Project:
Graphic: Taranaki 1
Date: 7/15/2009
Annex: DNF20SH o1
31.7km
27.9km
47.6km
35.4km
26.6km
2020 SummerDuplexing 220kV BRK-SFD circuits
and Proposed Wind Generation
with Maximum HWA Generation110kV HWA-SFD out
135.0 MW-0.0 Mvar
-145.0 MW13.1 Mvar
38.6 %0.366 kA
-37.5 MW10.8 Mvar
16.8 %0.098 kA
G~
0.0 MW0.0 Mvar
0.0 %0.000 kA
16.1 MW-14.6 Mvar
0.0 %0.110 kA
34.7 MW-38.6 Mvar
82.3 %0.274 kA
33.7 MW-39.0 Mvar
81.9 %0.273 kA
147.3 MW-15.3 Mvar280.6 %0.746 kA
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
External GridActive Power [MW]Reactive Power [Mvar]
42.3 MW-34.6 Mvar
88.1 %0.294 kA
43.5 MW-34.3 Mvar
89.3 %0.297 kA
25.0 MW-1.3 Mvar27.2 %
0.127 kA
29.9 MW6.8 Mvar32.0 %
0.153 kA
157.0 MW-31.9 Mvar
32.7 %0.403 kA
-15.8 MW14.0 Mvar
41.5 %0.106 kA
-147.0 MW27.9 Mvar
31.8 %0.376 kA
155.6 MW-18.4 Mvar
31.8 %0.392 kA
155.4 MW-17.6 Mvar
31.8 %0.391 kA
-181.4 MW32.5 Mvar
57.8 %0.463 kA
185.3 MW-23.1 Mvar
57.8 %0.467 kA
-182.3 MW32.7 Mvar
58.1 %0.466 kA
186.3 MW-23.2 Mvar
58.1 %0.469 kA
-88.9 MW18.9 Mvar
30.0 %0.227 kA
91.2 MW-30.2 Mvar
30.0 %0.242 kA
8.8 MW25.6 Mvar
44.8 %0.068 kA
-8.7 MW-25.0 Mvar
44.8 %0.136 kA
1
8.8 MW25.6 Mvar
44.8 %0.068 kA
-8.7 MW-25.0 Mvar
44.8 %0.136 kA
1
8.8 MW25.6 Mvar
44.8 %0.068 kA
-8.7 MW-25.0 Mvar
44.8 %0.136 kA
1
-37.8 MW-14.1 Mvar
5.6 %0.102 kA
37.9 MW-0.0 Mvar
5.6 %0.095 kA
-88.8 MW18.9 Mvar
30.0 %0.227 kA
91.2 MW-30.2 Mvar
30.0 %0.242 kA
-79.1 MW12.0 Mvar
33.4 %0.201 kA
80.0 MW-22.6 Mvar
33.4 %0.210 kA
36.6 MW-8.3 Mvar
7.5 %0.094 kA
-36.4 MW-5.0 Mvar
7.5 %0.092 kA
-0.0
MW
-0.0
Mva
r0.
0 %
0.00
0 kA
37.2 MW-8.4 Mvar
7.6 %0.095 kA
-37.1 MW-4.9 Mvar
7.6 %0.094 kA
37.2 MW-8.4 Mvar
7.6 %0.095 kA
-37.1 MW-4.9 Mvar
7.6 %0.094 kA
-37.7 MW-14.1 Mvar
5.6 %0.101 kA
37.8 MW-0.0 Mvar
5.6 %0.095 kA
25.0 MW-1.3 Mvar27.2 %
0.127 kA
39.6 MW13.7 Mvar
29.3 %0.105 kA
-39.4 MW-12.1 Mvar
29.3 %0.208 kA
-0.0
MW
0.0
Mva
r29
.3 %
0.00
0 kA
5 2WRK/WRK220229.46 kV1.04 p.u.
RPO/RPO220231.00 kV1.05 p.u.
HWA-R72
BRK/BRK220230.25 kV1.05 p.u.
BPE/BPE110112.00 kV1.02 p.u.
BPE/BPE220229.23 kV1.04 p.u.
PTA_110115.50 kV1.05 p.u.
MTN_110_2 MTN_110_1 109.15 kV0.99 p.u.
WVY/WVY110114.56 kV1.04 p.u.
WGN/WGN110107.52 kV0.98 p.u.
WAA/WAA110113.89 kV1.04 p.u.
HWA/HWA110113.67 kV1.03 p.u.
SFD/SFD110114.72 kV1.04 p.u.
TWH/TWH220229.56 kV1.04 p.u.
HLY/HLY220229.90 kV1.04 p.u.
TMN/TMN220229.79 kV1.04 p.u.
WKM/220229.68 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u.
TNG/TNG220230.12 kV1.05 p.u.
DIg
SILE
NT
PowerFactory 13.2.333
Project:
Graphic: Taranaki
Date: 7/15/2009
Annex:
Load Flow BalancedNodesLine-Line Voltage, Magnitude [kV]Voltage, Magnitude [p.u.]
BranchesActive Power [MW]Reactive Power [Mvar]Maximum Loading [%]
External GridActive Power [MW]Reactive Power [Mvar]
31.7km
27.9km
47.6km
35.4km
26.6km
DSF20SH o4
2020 Summer - Maximum South FlowDuplexing 220kV BRK-SFD circuits
and Proposed Wind Generation
with Maximum HWA Generation110kV BPE-MTN-WGN out
135.0 MW-0.0 Mvar
0.0 MW0.0 Mvar
0.0 %0.000 kA
125.5 MW4.7 Mvar242.8 %0.646 kA
68.4 MW-40.7 Mvar135.2 %0.450 kA
50.5 MW-52.3 Mvar121.8 %0.406 kA
22.0 MW-17.4 Mvar
53.7 %0.143 kA
25.0 MW-1.3 Mvar27.2 %
0.127 kA
29.9 MW9.1 Mvar32.7 %
0.156 kA
6.0 MW-6.0 Mvar16.4 %
0.044 kA
11.5 MW11.9 Mvar28.8 %
0.044 kA
-11.4 MW-11.6 Mvar
28.8 %0.087 kA
1
11.5 MW11.9 Mvar28.8 %
0.044 kA
-11.4 MW-11.6 Mvar
28.8 %0.087 kA
1
11.5 MW11.9 Mvar28.8 %
0.044 kA
-11.4 MW-11.6 Mvar
28.8 %0.087 kA
1
-361.0 MW46.1 Mvar53.1 %
0.966 kA
367.7 MW-1.6 Mvar53.1 %
0.968 kA
262.3 MW43.3 Mvar53.2 %
0.664 kA
-253.6 MW-4.2 Mvar53.2 %
0.668 kA
6.0
MW
-5.0
Mva
r8.
0 %
0.04
0 kA
267.0 MW43.7 Mvar54.2 %
0.676 kA
-258.0 MW-3.8 Mvar54.2 %
0.679 kA
267.0 MW43.7 Mvar54.2 %
0.676 kA
-258.0 MW-3.8 Mvar54.2 %
0.679 kA
-360.2 MW46.0 Mvar53.0 %
0.964 kA
367.0 MW-1.6 Mvar53.0 %
0.966 kA
G~
0.0 MW0.0 Mvar
0.0 %0.000 kA
419.1 MW205.7 Mvar
25.0 MW-1.3 Mvar27.2 %
0.127 kA
23.1 MW24.8 Mvar23.4 %
0.085 kA
-22.9 MW-23.5 Mvar
23.4 %0.166 kA
-0.0
MW
0.0
Mva
r23
.4 %
0.00
0 kA
52
HW
A-R
72
BRK/BRK220219.31 kV1.00 p.u.
BPE/BPE110107.47 kV0.98 p.u.
BPE/BPE220217.54 kV0.99 p.u.
PTA_110115.50 kV1.05 p.u.
MTN_110_2 MTN_110_1 100.22 kV0.91 p.u.
WVY/WVY110112.26 kV1.02 p.u.
WGN/WGN110102.09 kV0.93 p.u.
WAA/WAA110113.67 kV1.03 p.u.
HWA/HWA110113.46 kV1.03 p.u.
SFD/SFD110114.13 kV1.04 p.u.
SFD/SFD220231.00 kV1.05 p.u. D
IgSI
LEN
T
Needs Identification with Long List of Options © Transpower New Zealand Limited 2009. All rights reserved. 33