Journal of Modern Power Systems and Clean Energy

ISSN 2196-5625 CN 32-1884/TK

Optimal reactive power dispatch with wind power integratedusing group search optimizer with intraspecific competitionand le´ vy walk
Author:
Affiliation:

1.Department of Electric Power Engineering, South China University of Technology (SCUT), Guangzhou, 510641, Guangdong, China 2. Department of Electrical Engineering and Electronics, University of Liverpool, Liverpool, L69 3GJ, UK

Fund Project:

Guangdong InnovativeResearch Team Program (No. 201001N0104744201) and NationalKey Basic Research and Development Program (973 Program, No.2012CB215100), China.the financialsupport from China Scholarship Council Program (No.201306150070).

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    Abstract:

    This paper presents the mean–variance (MV)model to solve power system reactive power dispatch problems with wind power integrated. The MV model considers the profit and risk simultaneously under the uncertain wind power (speed) environment. To describe this uncertain environment, the Latin hypercube sampling with Choleskyde composition simulation method is used to sample uncertain wind speeds. An improved optimization algorithm,group search optimizer with intraspecific competition andle ′ vy walk, is then used to optimize the MV model by introducing the risk to lerance parameter. The simulation is conducted based on the IEEE 30-bus power system, and there sults demonstrate the effectiveness and validity of the proposed model and the optimization algorithm.

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  • Online: May 22,2015