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电网技术  2009 

上海多馈入直流系统的无功控制策略

, PP. 30-35

Keywords: 多馈入直流系统,特高压直流,无功功率补偿,无功功率调制

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Abstract:

以上海多馈入直流规划系统为对象,采用常规稳定分析方法对系统存在的电压稳定问题类型进行了区分。利用静止无功补偿器(staticvarcompensator,SVC)和调相机(synchronouscondenser,SC)动态无功补偿装置以及直流换流站内无功控制、直流无功调制等方法提高了该系统抵御上海受端交流系统故障和直流闭锁的能力,改善了该系统的阻尼特性,形成了一套较完整的多馈入直流系统无功控制方法。仿真计算结果验证了该控制策略的正确性和有效性。

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