Using complex least square parameter, the fundamental positive sequence and spectral residual are obtained.

利用复参数最小二乘估计方法获得了逆变器输出信号的基本正序对称分量和基本谱残差.

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In the paper, the reduced phase - circuit current equation expressing as positive sequence impedance only is showed.

文中还提出了低压系统中只用正序阻抗表达的 单相 短路电流的简化计算公式.

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