电网中谐波电流检测方法综述

Survey of Harmonic Current Detection Methods in Power Grid

由于电网中大量使用电力电子元器件,导致电网中出现谐波,如何快速检测出电网中谐波电流是抑制和补偿谐波的关键之一。通过检测精度、速度、延迟和实时性等因素对当下谐波电流检测方法进行了分析,并总结各方法的优缺点,最后对电网谐波检测方法的发展趋势进行展望。

Due to the large number of power electronic components used in the power grid,harmonics appear in the power grid.How to quickly detect the harmonic current in the power grid is one of the keys to suppress and compensate harmonics.In this paper,the current harmonic current detection method is analyzed by factors such as detection accuracy,speed,delay and real-time.The advantages and disadvantages of each method are summarized.Finally,the development trend of power grid harmonic detection method is prospected.