DC injection restriction is a critical issue in the photovoltaic power systems.
直流注入是光伏并网发电系统中的一个重要问题。
This paper describes a current injection method to detect the rotor flux position of the salient-pole brushless DC motor.
介绍了凸极无刷直流电动机转子位置检测的电流注入法。
The paper analyzes the method of low frequency signal injection, which is usually used to detect DC system grounding fault, and advances the method based on wavelet transforms.
分析了低频信号注入法，并且针对其缺陷提出了基于小波变换的检测方案。
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