PEREC Power losses on power semiconductor devices on.sta te turn in O ff-sta te turnon g (conduction state o ff (b lo cking sta te) .on Total power loss on power semiconductor conduction loss turn-off loss off-state loss turn-on loss (on-state loss) Switching loss 7Power Electron cs i 7 Power losses on power semiconductor Power losses on power semiconductor devices devices O n - s ta te ( c o n duc tion s ta te ) tu r n in g - o ff O ff- s ta te ( b lo c k ing s ta te ) tu r n in g - o n t t t v i p = conduction loss + tur conduction loss + tur n-off loss + off off loss + off-state loss + turn state loss + turn-on loss on loss Total power loss Total power loss on power s power s e miconductor iconductor (on-state loss) state loss) Switc hing lo s s