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电网技术  2013 

论电工领域中对α-β变换的误用

, PP. 2997-3000

Keywords: 瞬时无功理论,α,,变换,谐波检测,三相交流电路

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Abstract:

首先对瞬时无功理论中从abc坐标到α-β坐标变换矩阵作了分析,指出其使用条件。然后用计算实例说明,在三相不对称条件下,从abc变换到α-β,一般不能得到正交量,即变换的结果并不垂直,这样按正交变换处理不正交的量,最后的分析结果必然是错误的。文中列举了几篇新近发表的相关文献,并加以简单评述。因此在电工领域避免对α-β变换的误用十分重要

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