CROSS-REFERENCE TO RELATED APPLICATION

The present application is based on and claims the benefit of priority from earlier Japanese Patent Application No. 2018-159564 filed on Aug. 28, 2018, the description of which is incorporated herein by reference.

BACKGROUND

Technical Field

The present disclosure relates to a drive device for a switch, the drive device performing switching of switches configuring an electrical power converter.

Related Art

As this type of device, a configuration is disclosed which includes a drive circuit that receives an externally generated drive signal for a switch and performs switching of the switch based on the received drive signal. This drive circuit detects a voltage between the terminals of the switch and a current flowing to the switch and performs so-called active gate control that adjusts a gate current of the switch based on the detection results.

SUMMARY

As an aspect of the present disclosure, a drive device for a switch is provided. The drive device performs switching of at least one switch configuring an electrical power converter. The drive device includes: a control section that generates a drive signal for the switch and transmits the drive signal; and at least one drive circuit that receives the transmitted drive signal. The control section generates speed adjustment information for adjusting a switching speed of the switch and transmits the speed adjustment information to the drive circuit. The drive circuit includes: a speed calculation section that receives the transmitted speed adjustment information and calculates command switching speed information of the switch based on the received speed adjustment information; and a drive section that performs switching of the switch based on the received drive signal and the calculated command switching speed information.

