Frequency of this pulsating torque is six times as high as that of the fundamental current.
这种脉动转矩的频率为基波电流频率的六倍。
A simple fundamental current detecting approach using switched-capacitor filter (SCF) is proposed in order to detect timely fundamental signals in network.
为了实时快速地检测电力系统中的基波，提出了一种基于开关电容滤波器(SCF)检测电网中基波信号的方法。
This is a single-phase measurement that multiplies the amplitude of fundamental current of a line by a sine signal which has the same phase with the current.
此方法属于单相检测法，先提取电网电流中的某相基波幅值，再将基波幅值乘以与该相电流同相位的正弦波，从而得出该相的瞬时基波电流。
The fundamental current can be reconstructed by transformation while the harmonic current can be gained by subtracting fundamental components from the original current.
再经过变换得到原电流的基波分量，从原电流中减去基波分量得到要检测的谐波分量。
A new transformer protection principle based on two-instantaneous-value-product algorithm to extract the feature of fundamental current amplitude is put forward in this paper.
提出了一种基于两采样值积算法快速提取基波幅值变化特征的变压器保护新原理。
A new transformer protection principle based on two-instantaneous-value-product algorithm to extract the feature of fundamental current amplitude is put forward in this paper.
提出了一种基于两采样值积算法快速提取基波幅值变化特征的变压器保护新原理。
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