Class #01 Distribution Systems 1-15-04

7/28/2019 Class #01 Distribution Systems 1-15-04

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EE 494/544

Distribution Systems

Class - 1

Prof. W. H. Kersting Office Phone: (505) 646 -2434

Home Office Phone: (505) 522-4362

Fax: (505) 646-1435 E-mail: [email protected]

Home E-mail: [email protected]

Office Hours: 7:30-12:00 TTH, 10:00-1:00 MWF


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E-mail to me at both addresses the

Following Info Your e-mail address

Your telephone number

Your fax number


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Required Textbook

Distribution System Modeling and Analysis

W. H. Kersting

CRC Press


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Software

Radial Distribution Analysis Package

www.zianet.com/whpower

Windmil

www.milsoft.com
http://www.zianet.com/whpowerhttp://www.zianet.com/whpower


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The Objective


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Plug It In


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If It Turns On We Have Achieved Our Goal


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Interconnected

Transmission

SystemSubstation

Bulk PowerSubtransmission

Network

Distribution

Substation

Primary

FeedersGeneration


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Gas Turbine Generating Station


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Interconnected

Transmission

SystemSubstation


Network

Distribution

Substation

Primary

FeedersGeneration


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Generation Station Substation


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Interconnected

Transmission

SystemSubstation


Network

Distribution

Substation

Primary

FeedersGeneration


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345 kV Transmission Line


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345 kV Line Transposition


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Interconnected

Transmission

SystemSubstation


Network

Distribution

Substation

Primary

FeedersGeneration


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Bulk Power 345-115 kV Substation


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Interconnected

Transmission

SystemSubstation


Network

Distribution

Substation

Primary

FeedersGeneration


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115 kV Subtranmission Lines


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Interconnected

Transmission

SystemSubstation


Network

Distribution

Substation

Primary

FeedersGeneration


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115-24 kV Distribution Substation


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Node

bca

ca

b

Voltage Regulator

Single-phase lateral

"V" phase lateral

Three-phase lateral

Underground cables

a

bc

cb

a b c Fuse

Distributiontransformer

Secondary

CustomersIn-line transformer

Capacitor bank

Transformer

Substation

b


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24 kV Feeder Riser


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24 kV Distribution Feeder


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Node

bca

ca

b

Voltage Regulator


"V" phase lateral

Three-phase lateral

Underground cables

a

bc

cb

a b c Fuse


Secondary


Capacitor bank

Transformer

Substation

b


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Three-Phase Lateral Tap


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Node

bca

ca

b

Voltage Regulator


"V" phase lateral

Three-phase lateral

Underground cables

a

bc

cb

a b c Fuse


Secondary


Capacitor bank

Transformer

Substation

b


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Shunt Capacitor Bank


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Node

bca

ca

b

Voltage Regulator


"V" phase lateral

Three-phase lateral

Underground cables

a

bc

cb

a b c Fuse


Secondary


Capacitor bank

Transformer

Substation

b


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Three-Phase Distribution Transformer Bank


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Single-Phase Distribution Transformer


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120/240 V Secondary and Service Drops


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Most Important Device on a Power System


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Underground Three-Phase Pad Mounted

Transformer


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Underground Single-Phase Pad Mounted

Transformer


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Simple Distribution Substation

Subtransmission Line

Disconnect Switch

Fuse

Transformer

Voltage Regulator

Meters

Circuit Breakers

Primary Feeders


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Simple 24-4.16 kV Substation


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Substation High Voltage


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24-4.16 kV Sub Transformer


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4.16 kV Voltage Regulators


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4.16 Oil Circuit Breaker


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T-1 T-2

FD-1

2

FD-3

FD-2 FD-4

X

Z

YN.C.

N.O.

N.C.

31

N.C.N.O.N.C.

4

N.C.

6

N.O.

5

N.C.

Line 1

Line 2


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Summary


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Functions of a Substation

High and low voltage switching

Transformation of voltage

Voltage regulation

Metering

Protection


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Mapping

Connectivity

Phasing

Distances

Transformer ratings

Location of devices (regulators, capacitors)

Conductors

Configurations


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Next Class Period

What is this thing we call load?

Class #01 Distribution Systems 1-15-04

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