PERE Operation principle of typical snubbers Circuit configuration without tum-off snubber lc without turm-on snubber lc Turn-on R with turn-off ubb AVD Turn-off with turn-on snubber snubber R without turn-off snubber L with turn-off snubber VD△ Switching trajectoryPower Electron cs i 14 Operation principle of typical Operation principle of typical snubbers snubbers Circuit configuration Circuit configuration Ri VD L V Turn-on snubber Turn-off snubber Li VDi Rs Cs VD s t uCE i C O without turn-on snubber with turn-on s nubber with turn-off snubber without turn-o ff snubber uCE i C A D C B without t u r n-off snubber with turn-o ff sn u b b e r uCE i C O Switching trajectory