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角接链式STATCOM的环流控制方法

DOI: 10.13334/j.0258-8013.pcsee.2014.36.004, PP. 6398-6406

Keywords: 电压不对称,链式STATCOM,环流控制

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Abstract:

以电弧炉负荷的综合补偿为背景,研究角接链式静止同步补偿器(staticsynchronouscompensator,STATCOM)的环流控制方法。针对不对称电网电压下STATCOM补偿效果不理想的问题,从理论上分析电网电压负序分量与补偿偏差之间的关系。在此基础上提出一种基于网侧电流闭环的STATCOM环流控制方法,能够有效抵御不对称电网电压,消除负序电压造成的补偿偏差,同时保持较快的响应速度。RTDS混合仿真和现场运行试验,验证所提出的控制方法的有效性。

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