Hierarchical two-level voltage controller for Southern California Edison

The paper proposes a two-level voltage controller for a large power system. The aim of the controller is to maintain the optimal voltage profile in the transmission network by coordinating the VAR control devices in the system. At the local level, the substation controllers maintain their respective...

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Bibliographic Details
Main Authors: Venkatasubramanian, V. M., Hong Chun, Guerrero, J., Habibi-Ashrafi, F., Salazar, A.
Format: Conference Proceeding
Language:English
Subjects:
Capacitors
Reactive power
Static VAr compensators
Substations
Switches
synchrophasors
VAR management
Voltage control
Online Access:Request full text
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Summary:The paper proposes a two-level voltage controller for a large power system. The aim of the controller is to maintain the optimal voltage profile in the transmission network by coordinating the VAR control devices in the system. At the local level, the substation controllers maintain their respective substation bus voltages by using mostly local PMU measurements. The central coordinator provides the voltage setpoints to the substations and also coordinates by enabling or disabling the local controllers as needed. The controller is being designed towards prototype implementation in Southern California Edison, starting with local controllers at specific substations in the first stage.
ISSN:1932-5517
DOI:10.1109/PESGM.2012.6345413