In the second one, the input current displacement Angle is dynamically modulated as a function of positive-and negative-sequence components of the input voltages.
第二种控制策略中，输入电流矢量根据输入电压正、负序成分进行动态调制。
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。
It is urgent to detect the harmonic components and the negative sequence components of current accurately and to evaluate the quality of electric energy correctly.
准确检测这些电流分量，正确评价用户电能质量的好坏，已经是非常迫切的问题。
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