Abstract
Due to the large number of power electronic devices in the power system, the harm caused by harmonic has become more and more serious. This paper comprehensively expounds the main causes of harmonic generation and the main methods of harmonic detection and control. The accuracy of harmonic detection and the speed of response are determined by the method of harmonic detection. For harmonic control, there are active harmonic control technology and passive harmonic control technology. In this paper, the basic harmonic current detection method and the compensation current tracking control strategy are discussed, and the main development trend of harmonic detection and harmonic control is analyzed.
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