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nlc · 06-07-2012, 08:51 AM

Negative voltage is needed on the igbt gate to prevent autoconduction when the igbt is off and the opposite igbt turns on. Also, negative voltage permits to accelerates the turn off time.

06-07-2012, 08:51 AM	#730 (permalink)
nlc EcoModding Lurker Join Date: Jul 2011 Location: France Posts: 90 Thanks: 3 Thanked 65 Times in 30 Posts	Negative voltage is needed on the igbt gate to prevent autoconduction when the igbt is off and the opposite igbt turns on. Also, negative voltage permits to accelerates the turn off time.