电力系统保护与控制2018，Vol.46Issue(4)：63-69,7.DOI:10.7667/PSPC170209
一种改进的方均根值谐波检测方法的研究
Research on an improved root-mean-square harmonic detection method
摘要
Abstract
Aiming at the deficiencies of traditional detection methods under distorted power grid voltage and fluctuant frequency, an improved Root-Mean-Square (RMS) harmonic detection method without Phase Locked Loop (PLL) is proposed. This method uses the fundamental positive sequence extraction segments instead of phase locked loop, so as to obtain the signals synchronized with the fundamental positive sequence component and then detect the harmonic component.Compared with the traditional ip?iqdetection method,this method can be used effectively at severe condition of power grid with fast response speed. Simulation and experimental results verify that the compensation of power grid side harmonic can achieve the desired results when the method is used in the active power filter.关键词
谐波检测/有源电力滤波器/无锁相环/基波正序Key words
harmonic detection/active power filter/without phase locked loop/fundamental positive sequence引用本文复制引用
苗长新,韦彬,晏夏瑜,史干东,师珂..一种改进的方均根值谐波检测方法的研究[J].电力系统保护与控制,2018,46(4):63-69,7.基金项目
高等学校博士学科点专项科研基金项目(20110095110014) （20110095110014）
教育部科学技术研究重大项目资助(311021)This work is supported by the Specialized Research Fund for Doctoral Program of Higher Education of China (No. 20110095110014) and Key Grant Project of Chinese Ministry of Education (No. 311021). （311021）
