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三相四线制谐波检测新方法仿真研究
引用本文:吴雷,韦凯,蒋峰,付焕森.三相四线制谐波检测新方法仿真研究[J].计算机仿真,2008,25(9).
作者姓名:吴雷  韦凯  蒋峰  付焕森
作者单位:江南大学电气自动化研究所,江苏无锡,214122
摘    要:综合运用瞬时无功理论中的P-q方法和ip-iq方法,提出了一种基于瞬时无功理论的新的有效的三相四线制谐波检测新方法,将三相电流中的零序电流剔除,有效的解决了基于瞬时无功理论的传统有源滤波器在三相四线制电路中不适用.完善了P-q方法和ip-iq方法的不足,通过计算验证了该方法适用于任何三相电路,包括三相四线制电路,并且三相电压波形的畸变不影响检测结果的准确性.并用MATLAB仿真验证了方法的准确性和有效性,有效地解决了传统有源滤波器不适用于三相四线制电路的缺陷.

关 键 词:有源滤波器  瞬时无功  谐波检测

A New Method of Harmonics Detection Used in3-phase 4 wires Circuit
WU Lei,WEI Kai,JIANG Feng,FU Huan-sen.A New Method of Harmonics Detection Used in3-phase 4 wires Circuit[J].Computer Simulation,2008,25(9).
Authors:WU Lei  WEI Kai  JIANG Feng  FU Huan-sen
Institution:WU Lei,WEI Kai,JIANG Feng,FU Huan-sen (Institute of Electrical Automation,Southern Yangtze University,Wuxi Jiangsu 214122,China)
Abstract:A new method of harmonics detection is given in this paper based on p-q method and ip-iq method of the instantaneous reactive power theory,in order to allow the Active Power Filter to be used in 3-phase 4 wire circuits.This method removes the zero current,so it could be used in 3-phase 4 wire circuits and the result is accurate even if the voltage is distortional.The result of the simulation shows that the method is correct.The problem that the Active Power Filter could not be used in 3-phase 4 wire circuit...
Keywords:Active power filter  Instantaneous reactive power  Harmonics detection  
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