并联型APF补偿电压源型非线性负载时谐波电流放大效应的研究  

Harmonic Current Amplification Effect of Voltage-source Type Nonlinear Load Under Compensation by Shunt APF

作　　者：刘聪[1] 戴珂[1] 张树全[1] 康勇[1] 

机构地区：[1]华中科技大学电气与电子工程学院,湖北省武汉市430074

出　　处：《中国电机工程学报》2011年第27期21-28,共8页Proceedings of the CSEE

基　　金："十一五"国家科技支撑计划重大项目(2007BAA12B03);台达电力电子科教发展计划(DREG2010009)~~

摘　　要：为拓展并联型有源电力滤波器(active power filter,APF)的应用,通过采用电路等效分析的方法,研究并联型APF对电压源型非线性负载的补偿特性,重点分析负载谐波电流放大效应,定性与定量地解释产生此效应的原因。在此基础上,从电路拓扑以及APF控制两方面提出抑制谐波放大效应的措施,使得并联型APF对电压源型非线性负载取得良好的补偿效果。仿真与实验结果验证了理论分析的正确性。To extend the application area of shunt active power filters （APF）, the compensation characteristic of shunt APF for voltage-source type nonlinear load were studied by adopting the method of circuit equivalence. It focuses on the analysis of the load harmonic current amplification effect, and the reasons of this effect are explained theoretically and quantitatively. Based on these analyses, the solutions to diminish the harmonic current amplification effect were proposed from circuit topology and APF control aspects, which ensure the good compensation performance of voltage-source type nonlinear loads by shunt APFs. Simulation and experimental results validate the correctness of the theoretical analysis.

关 键 词：电能质量 谐波补偿 有源电力滤波器 电压源型非线性负载 谐波电流放大效应 

分 类 号：TM85[电气工程—高电压与绝缘技术]