本文提出了一种单相有源电力滤波器谐波和无功电流检测的新方法—负荷电流基波有功分量法。
This paper presents a novel detecting method for harmonics and reactive current in single-phase active power filter based on calculation of the real part of the fundamental load current.
结合自动补偿电网的特征，对利用零序电流的附加有功分量进行单相接地故障选线进行了研究与分析。
The paper made research and analysis on the topic of faulted line selecting in an auto compensated distribution network in use of the active part of residual currents.
该方法以电网电压为同步信号，在电网电压信号的过零点采样直流侧电容电压，并通过周期离散控制可以获得负荷电流有功分量。
The new control way can realize linear control for DC-bus voltage and get the fundamental component of the load current synchronously with a little of calculation.
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