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Historical Voltage Range. 128. American Electric Power’s Experience with Volt/Var Optimization. 124. “B” Service. “A” Service. 120. “A” Utilization. “B” Utilization. 116. VVO Range. 112. Presentation to: SWEDE Conference Austin, TX May 2, 2013 Tom Weaver, PE. 108. 104.

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Presentation Transcript

Historical

Voltage

Range

128

American Electric Power’s Experience with Volt/Var Optimization

124

“B” Service

“A” Service

120

“A” Utilization

“B” Utilization

116

VVO Range

112

Presentation to:

SWEDE Conference

Austin, TX

May 2, 2013

Tom Weaver, PE

108

104


Volt var impacts on customer s motors
Volt VAR Impacts on Customer’s Motors

kVAR ↓ ~ 20%

Real Power consumption is 8% lower @ 115V than at 125V

kW ↓ ~ 8%


Volt var optimization architecture
Volt VAR Optimization Architecture

Volt VAR Controllers

MeshMaster

EOL Monitors

Mesh Network

Line Regulators

Line Capacitors

Fiber or Mesh

DMS - GENe

3


Aep s volt var optimization technology deployments
AEP’s Volt / VAR Optimization Technology Deployments

AEP Ohio :

17 circuits in service

Additional circuits being considered to meet EE State Targets

Indiana & Michigan Power Co.:

9 circuits in service

Planning to include VVO as an EE Program

Public Service Company Oklahoma :

11 circuits in service

Kentucky Power Co. :

25 circuits going in service in 2013

Planning to include VVO as an EE Program


Aep ohio gahanna 4505 voltage profile
AEP Ohio: Gahanna – 4505 Voltage Profile

CAP 2

REG

CAP 3

EOL 2

Substation

Without AdaptiVolt™ = 6-7-11 @ 4:30 pm With AdaptiVolt™ = 6-6-11 @ 4:30pm

Flatter voltage profile, lower voltage, reduced tap changer operations

5


Aep ohio east broad 1406 voltage profile
AEP Ohio: East Broad 1406 Voltage Profile

EOL 55

REG 2

CAP 4

CAP 3

CAP 1

CAP 2

REG 1

Substation

Normal Operation = 7-23-10 @4:44pmVolt / Var Control Operating = 7-24-10 @4:44pm


Demand and energy reduction results
Demand and Energy Reduction Results

  • VVO technology works as-expected

    • Testing demonstrates ~2-4% energy and demand reduction is achievable.





Value of vvo compared to generation alternatives
“Value” of VVO Compared to Generation Alternatives

“LEVELIZED COST OF ENERGY ANALYSIS “– VERSION 3.0 Lazard, February 2009

Levelized cost of VVO is in the low part of the Energy Efficiency range due to low initial capital cost and no on-going fuel cost


Vvo for energy efficiency capacity reduction
VVO for Energy Efficiency / Capacity Reduction

Energy Efficiency (24/7 Operation)

Help meet state Energy Efficiency targets

Receive incentives / participate in DR markets

TRCs 2 to 3 – better than many current programs

Reduce Energy Consumption by Customers

Not limited by “participation rates”

Reduce Emissions

Relieve Transmission Congestion

Capacity (Demand Reduction Only )

Reduce amount of capacity required at peak / critical times

Short payback period if generation charges are based on peak demand

Defer investment in capacity replacement or upgrades

Engage in DR Market

Relieve Transmission Congestion



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