The three phase detecting method closely connects with the Park transform and the result is the positive sequence part of the fundamental frequency.
三相求法与派克变换有很密切的联系，求出的是三相基波正序分量。
A method of detecting the fundamental positive and negative sequence components is proposed.
提出了一种检测基波正负序分量的新方法。
A method of detecting the fundamental positive and negative sequence components is proposed.
提出了一种检测基波正负序分量的新方法。
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