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电网技术  2009 

基于同伦函数的风电系统频率稳定特征值分析

, PP. 103-108

Keywords: 风电系统,特征值分析,频率稳定

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Abstract:

分析了含大容量高比例风电的电力系统频率动态行为。建立了一种含风电场的电力系统频率分析数学模型,利用同伦函数辨别出系统特征值对应的状态变量,特别是与系统频率相关的状态变量。针对含恒速风力发电机组和双馈风力发电机组的电力系统,用特征值分析法并借助同伦函数的辨别结果实现了频率稳定特性的比较和分析。仿真结果表明含双馈风力发电机组的电力系统具有更好的频率稳定性。

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