Reactive Voltage Coordinated Control Strategy for Wind Farm Based on DFIG and SVC

doi:10.3969/j.issn.1000-7229.2015.05.001

Abstract

Abstract:

A wind farm mode was established aiming at resolving the problem of the reactive voltage. And reactive voltage coordinated control strategy was proposed with comprehensively considering both doubly-fed induction generator （DFIG） and static var compensator （SVC）. With considering the voltage deviation of the point of common coupling （PCC） and the reactive power margin of the reactive power source for wind farm, an objective function was established. Chaotic quantum-behaved particle swarm optimization （CQPSO） was used for the reactive voltage control of wind farm； by coordinating the reactive power output of DFIG and SVC, the voltage of PCC connected with power system was enabled to meet the requirement, and the reactive power margin of reactive power source was improved at the same time. Finally, a wind farm in North China was taken as an example for analysis, and the simulation results verified the feasibility and effectiveness of the proposed reactive voltage coordinated control strategy.

Key words: wind farm, doubly-fed induction generator （DFIG）, static var compensator （SVC）, chaotic quantum-behaved particle swarm optimization （CQPSO）, reactive voltage control

CLC Number:

TM 761

HE Jian, DING Xiaoqun, CHEN Guangyu, XU Gaojun, DENG Jixiang. Reactive Voltage Coordinated Control Strategy for Wind Farm Based on DFIG and SVC[J]. ELECTRIC POWER CONSTRUCTION, 2015, 36(5): 1-6.

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