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Centralized Control of System Voltage/Reactive Power Using Genetic Algorithm

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2 Author(s)
Nimpitiwan, N. ; Bangkok Univ., Bangkok ; Chaiyabut, C.

This paper proposes a genetic algorithm (GA) based centralized voltage and reactive power control strategy. The proposed strategy aims to prevent voltage fluctuations and/or unconvergence cases by coordinating the operation of voltage/ reactive power control equipments, such as on load tap changer (OLTC) of transformers, automatic voltage regulator (AVR) of distributed generations, and shunt capacitors (SCs). The problem is formulated as a combinatorial nonlinear optimization problem. That is, the setting of OLTC transformers and SCs are discrete control variables; the setting of AVR is a continuous variable. To validate the feasibility of the proposed technique, simulations of various operating conditions are conducted and compared with the decentralized voltage control strategy.

Published in:

Intelligent Systems Applications to Power Systems, 2007. ISAP 2007. International Conference on

Date of Conference:

5-8 Nov. 2007