电工技术学报2009，Vol.24Issue(10)：122-127,6.
抑制次同步谐振的并联结构PSS参数优化
Parameter Optimization of PSS of Parallel Configuration Used to Damp Subsynchronous Resonance
摘要
Abstract
The problems of subsynchronous resonance (SSR) damping by single-channels power system stabilizer (PSS) and PSS of parallel configuration are analyzed based on the IEEE SSR first benchmark model and the IEEE ST1A excitation system by means of test signal method. The method of computing the ideal phase compensation characteristic provided by PSS is formed based on the phase lags caused by excitation system and the vector relation of rotate speed bias, electromagnetic power bias and electromagnetic torque bias. The parameters of PSS of parallel configuration are optimized by means of genetic algorithms after the ideal compensation phases being computed at the frequencies which are representative in the low frequency range or near the points of SSR frequencies. With the optimized parameters, simulation and analysis are operated. The results show that the actual compensation phases are closer to the ideal compensation phases at entire frequency range with the optimized parameters of PSS of parallel configuration, and better electrical damping characteristic at entire frequency range are obtained, which is the result of that the possibility of subsynchronous resonance and low frequency oscillation is reduced to the least.关键词
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/EMTDCKey words
Power system stabilizer/ subsynchronous resonance/ phase compensation/ genetic algorithm/ test signal method/ PSCAD/EMTDC分类
信息技术与安全科学引用本文复制引用
蒋平,王贯义..抑制次同步谐振的并联结构PSS参数优化[J].电工技术学报,2009,24(10):122-127,6.基金项目
"十一五"国家科技支撑计划重大资助项目(2008BAA13B07). （2008BAA13B07）
