ABSTRACT

Power electronic circuits convert electrical energy from one voltage level and frequencytoanotherforanelectricalload.Thebasesofthepowerelectronicscircuitsarethepowersemiconductordevices.Powerdevicesactasan electronicswitchinapowercircuittochangecircuitcon‹guration.Power devicesareavailablecommerciallysincethe1970sandhaveseentremendous advancements over the past 40 years. These devices are now available withratingsuptothousandsofvoltsandthousandsofamperesinasingle package.Twoorsixswitchcon‹gurations,suitableforcertainpowerconverter topologies, are available in a single package.