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电网技术  2015 

面向风电场SSO抑制的TCSC参数电磁暂态智能优化方法

DOI: 10.13335/j.1000-3673.pst.2015.09.006, PP. 2411-2417

Keywords: 电磁暂态仿真,单纯形算法,次同步振荡,可控串联补偿

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Abstract:

抑制风电场次同步振荡(sub-synchronousoscillations,SSO)的晶闸管可控串联补偿装置(thyristorcontrolledseriescompensation,TCSC)参数优化问题是强非线性参数优化问题,很难用解析方法求解。文中将单纯形算法(Simplex)与电磁暂态仿真程序结合的非线性参数优化方法引入到抑制SSO的TCSC参数的优化。该算法使用电磁暂态程序的仿真结果计算优化目标函数值,Simplex算法应用电磁暂态程序计算的优化目标函数结果智能地指导TCSC参数寻优方向,快速可靠地寻到最优参数,缩短仿真耗时。最后,针对风电不确定性,初步分析了风速变化对参数优化结果的影响,根据所采用的单机等值系统仿真结果分析,风速变化对TCSC参数优化结果的影响并不显著。

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