1ProtectionFusesOvertemperatureOvervoltage2SnubbercircuitTheswitchisoff,iL->D->Cs,icdecreasesgradually,limitdv/dt.Theenergyinstrayinductors->CsTheswitchison,thestrayinductorslimitdi/dt,Cs->Rs->switchreleasethecharge.TheenergyisconsumedinRThesnubbereffectwhencapacitorsaredifferentTypicalwaveformofturning-offIGBTwhenusingsnubber3GatedriveCircuitGatedrivers4Reductionofcommon-modeEMIthroughinvertertechniquesFs=3kHzVDC=100V5Currentmeasurement&control