宋奇吼,陈莉,杨飏.三电平Z源逆变器SPWM调制策略的研究[J].电测与仪表,2014,51(14):. SONG Qi-Hou,陈莉,yangyang.Study of three level ZSinverterSSPWMSmodulation strategy[J].Electrical Measurement & Instrumentation,2014,51(14):.
三电平Z源逆变器SPWM调制策略的研究
Study of three level ZSinverterSSPWMSmodulation strategy
ZSsource inverterSdue to theSdirectSimplementation ofSthe lower bridge arm,Sto avoid theSdead zoneSis introduced,ScanSimprove the safety of inverter system,Sreduce the harmonicScontent ofSoutput of theSinverter andSbecome a hotSresearch.SBy introducing the Z sourceSnetworkSin front ofSthe traditionalSthree level inverter,SaSZSthree level inverter.SBased on theSworking principle of singleSZ sourceSthree level inverter,SSPWM modulation strategySwith reference to the traditionalSthree level,Ssimple boostScontrol principleSof Z source inverter,Swere studied. TheSimproved carrier phase disposition andSimprovedSbyScascadingStwoScarrierSsine modulation method,Sthe simulation experimentSand theScorrespondingSto validate theStwo modulationSstrategy.