基于SVC的大型风电场次同步谐振抑制  

Subsynchronous Resonance Suppression in Large-Scale Wind Farm Based on SVC

作　　者：尹专[1] 刘天琪[1] 李兴源[1] 汤凡[2] 晏小彬[1] 

机构地区：[1]四川大学电气信息学院,成都610065 [2]四川省电力试验研究院,成都610072

出　　处：《华东电力》2012年第7期1134-1139,共6页East China Electric Power

基　　金：国家自然科学基金项目(51037003)~~

摘　　要：当风电场通过含串联补偿电容线路提升外送功率时可能会发生次同步谐振。分析了风电场次同步谐振机理以及SVC在抑制大型风电场次同步谐振方面的作用,将SIMPLEX算法与单隶属度函数模糊控制技术相结合,设计了基于单隶属度函数模糊控制的SVC附加控制器。与常规模糊控制器相比较,论文提出的控制方案性能更优,能更快速抑制次同步谐振。仿真结果验证了所提出附加控制器的优越性。Subsynchronous resonance may occur when transmitted power is improved through the fine with series compensation capacitor in wind farm. This paper analyzes the mechanism of subsynchronous resonance in wind farm, as well as the effect of SVC in suppressing the subsynchronous resonance of wind farm. Then SIMPLEX algorithm is integrated with fuzzy control technology of single membership functions for designing SVC additional damping controller based on fuzzy control of single membership functions. Compared with the conventional fuzzy controller, this proposed controlling scheme is superior in suppressing subsynchronous resonance rapidly. The simulation results verified its superiority.

关 键 词：风电场 次同步谐振 SVC SIMPLEX 模糊控制 

分 类 号：TM712[电气工程—电力系统及自动化] TM614