多重化整流电路的MATLAB仿真和谐波分析

ithMATLABandHarmonicAnalysisforMultiplexRectifiers TAOHui ,YANGHai -zhu (DeptofElectricalEngineeringandAutomation ,HenanPolytechnicUniversity ,Jiaozuo 454000,China ) Abstract :ethemajorharmonic sourcesinpowersystems .First ,theconstructureofMultiplexrectifierswaspresented .Then ,the simulationalmodelwiththesoftofMATLABwassetupandsimulationresultwasgiven .The urrentgeneratedbytherectificationcircuitwascalculatedbyPowerguiandFourier Transform ,andtheworkingprincipleofitsharmoniceliminationisilluminated .Conclusion :the pulsationofoutputvoltageofmultiplerectifierisdecreased ,harmonicsofinputcurrentincertain high2 frequencyisinhibited ,thetotalharmonicofcurrentcontentreducedandthepowerfactoris improvedeffectively . Keywords :rectifier ;multiplex ;harmonic ;simulation [责任编辑:张勇强] 6 6 4 电力学报第 23卷