直驱式风力发电系统中的并网逆变器Grid-Connected Inverter in Direct-Drive Wind Power Generation System
杨勇;阮毅;任志斌;刘旭;沈欢庆;
摘要(Abstract):
推导了并网逆变器的数学模型,为减小并网逆变器输出电流中的谐波,采用了空间矢量脉宽调制技术。根据并网逆变器在同步旋转坐标系下的数学模型,采用电网电压矢量定向的矢量控制和d、q轴电流闭环控制,实现了d、q轴电流的解耦控制:d轴电流控制有功功率,q轴电流控制无功功率。仿真和实验结果验证了该方案的可行性和正确性。
关键词(KeyWords): 空间矢量脉宽调制;电网电压矢量定向;电流闭环;解耦控制
基金项目(Foundation):
作者(Author): 杨勇;阮毅;任志斌;刘旭;沈欢庆;
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DOI:
参考文献(References):
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