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Parameter Optimization of PSS of Parallel Configuration Used to Damp Subsynchronous Resonance
Pages: 122-127
Year: Issue:  10
Journal: Transactions of China Electrotechnical Society

Keyword:  电力系统稳定器次同步谐振相位补偿遗传算法测试信号法PSCAD/EMTDC;
Abstract: 采用测试信号法,基于IEEE次同步谐振第一标准测试系统及IEEE ST1A型励磁系统分析了传统的单通道电力系统稳定器(PSS)及多通道并联结构PSS抑制次同步谐振时存在的问题.根据励磁系统引起的相位滞后特性,结合转速偏差、电磁功率偏差与电磁转矩偏差间的矢量关系给出了PSS需提供的理想相位补偿特性的计算方法.选取低频段和次同步谐振频率点附近具有代表性的频率点,计算其理想相位补偿角,并以此为目标应用遗...
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