Importance

Loading Importance Indicators...

Abstract

A motor control device has a plurality of drive circuits that are respectively provided on arms of an inverter circuit that supplies current to an AC motor, the plurality of drive circuits driving respectively a plurality of switching elements included on the arms; a power source control circuit that performs a control of a plurality of power supply circuits that supply power respectively to the plurality of drive circuits; a low-voltage circuit area that includes the power source control circuit; a plurality of high-voltage circuit areas, each high-voltage circuit area including a drive circuit from the plurality of drive circuits; and a plurality of transformers that serve as the plurality of power supply circuits and respectively join the low-voltage circuit area and the plurality of high-voltage circuit areas in an insulated state.

Loading the Abstract Image...

First Claim