DRIVE DEVICE FOR A POWER CONVERSION DEVICE, AND DRIVE METHOD FOR A POWER CONVERSION DEVICE

摘要

A drive device 15 driving a power converter 9 that includes a switching element 3 formed from a wide bandgap semiconductor, includes a PWM-signal output unit 11 that generates a drive signal that drives the switching element 3 with PWM; an on-speed reducing unit 13 that, when the switching element 3 is changed from off to on, reduces a change rate of the drive signal; and an off-speed improving unit 14 that, when the switching element 3 is changed from on to off, draws charge from the switching element 3 at a high speed and with a charge drawing performance higher than that at a time when the switching element 3 is changed from off to on.