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电网技术  2010 

变桨距风力机分区段模拟方法及其控制策略

, PP. 159-163

Keywords: 风力机,感应电动机,分区段模拟,参数辨识,直接转矩控制

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Abstract:

风力强度不同,实际变桨距风力机的工作方式不同,风力机的输入输出关系也不同。分析了风力机在各个工作区的工作特性,得到了风力机在各个区段功率输出与风速的关系,给出了不同区段风力发电机的模拟方法。运用模糊直接转矩控制异步电动机,模拟不同情况下风力发电机的输出特性。仿真结果表明,该方法能较准确和全面地模拟风力机在整个风力发电过程的工作特性。

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