The first harmonic winding and harmonic winding no-load property curve are gained when field current is change.
通过改变励磁电流的大小，得到了基波绕组和三次谐波绕组的空载特性曲线。
In this paper, according to the neuron adaptive detecting approach of harmonic current for APF, the realization scheme of an analog circuit is first proposed.
通过对有源电力滤波器神经元自适应谐波电流检测方法的探讨，提出了一种模拟电路实现方案。
The first is a limitation in the harmonic current that a user can transmit into the utility system.
第一个是，用户可以发送到的公用设施系统中的高次谐波电流限制。
First, the current commonly used methods in a variety of harmonic detection is analyzed and compared in this paper.
首先，本文分析了目前常用的各种谐波分析方法，并进行了比较。
A first-order inertia element was considered as the approximate model of SAPF. The compensation characteristic for each order harmonic current was obtained at different switching frequencies.
将并联型有源电力滤波器控制成一阶惯性环节，在不同开关频率时分析各次谐波与补偿特性的定量关系。
A first-order inertia element was considered as the approximate model of SAPF. The compensation characteristic for each order harmonic current was obtained at different switching frequencies.
将并联型有源电力滤波器控制成一阶惯性环节，在不同开关频率时分析各次谐波与补偿特性的定量关系。
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