Innovative Concepts for Efficient Electrical Distribution Grids Torsten Hammerschmidt, Project Manager RWE Deutschland AG Essen, Germany
Mar 28, 2015
Innovative Concepts for Efficient Electrical Distribution Grids
Torsten Hammerschmidt,Project Manager
RWE Deutschland AGEssen, Germany
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
The Project: Grids for Future Electricity Suppy
Project Consortium
Project Leader RWE Deutschland AG
Timeline July 2009 – June 2011
Identification of Efficient Distribution Grid Concepts
Further Development of Evaluation Methods Further Development of Equipment Realisation of a Demonstration Grid
Objective
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
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Wind offshore
Wind onshore
Solar power
GW
+ 21 GW / 10 aWind Power in the Past
+ 33 GW / 10 aSolar Power in the Future
Photovoltaics will Exceed Growth Rates of Wind Power in Germany
Demonstration Grid Area:130 km² Covered Area4,100 Inhabitants1,900 Service Connections6.0 MW Ren. Generation2.5 MW Max. Load
Source: BMU Pilot Study (Dec 2010)
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
Smart Grid Demonstration in a Rural German Area
Use of Information- and Communication Technology (ICT)
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Disposition of Storage Devices
Local Voltage Control to exploit Grid Transportation Capacity
Hierachical Supply Layers in Medium Voltage Level
- Reconstitution of Grid Observability under high Ren. Generation- Wide Area Control
- Biogas Storage in Coordination with PV Generation works as a Virtual Electricity Storage
- Inside Medium Voltage Grid, at Substations and Service Connections
- Strong Cable Line with Electronic Sectionalizers
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
Local Voltage Control to exploit Grid Capacity
12.20 m
Grid
LoadS=8 MVAP=7.2 MW
Q=3.5 Mvarcosφ=0.9
AC / DC /AC
P=7.4 MWQ=3.2 Mvar
P=0.7 MWQ=0.3 Mvar
P=6.5 MWQ=3.2 Mvar
P=0.9 MWQ=0.0 Mvar
ΔU = 20%
SVoltage-Regulation=0.8 MVA(approx. 10% throughput load)
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
Medium Voltage
3 ~
Fermenter
BiogasStorage
3 ~
Source:Ceno Tec
3.0 MWhel
PV
AC
DC
Biogas Storage in Coordination with Photovoltaics Generationworks as a Virtual Electricity Storage
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
Thank you for your Attention
Photovoltaics Windpower
Biogas Generation
Authors:• Torsten Hammerschmidt, RWE Deutschland, Essen• Dr. Thorsten Borchard, ABB, Mannheim• Dr. Jörg Feldmann, Consentec, Aachen• Dr. Astrid Petermann, RWE Rhein-Ruhr Netzservice GmbH, Siegen• Prof. Dr. Christian Rehtanz, TU Dortmund
www.zukunftsnetze.de
Biogas Storage(Under Construction)
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
Backup
Frankfurt (Germany), 6-9 June 2011
Torsten Hammerschmidt, RWE Deutschland – Germany – Session 5 – Paper 0447
Innovative Concepts help to Reduce the Increase in Grid Cost
Max. Load:Generation:Grid Length:
135 MW110 MW2,070 km
Max. Load:Generation:Grid Length:
120 MW210 MW2,060 km
Lines Continuedto Use:1,800 km
New Lines:260 km
Dispensable Lines:270 km
50 % RegulatedSubstations
18 % exceeding grid
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