US Patent 11296617 Inverter control device

An inverter control device that includes an electronic control unit that is configured to perform full active short circuit control when the contactors are in an open state and the rotating electrical machine is in a rotating state, the full active short circuit control bringing an upper-stage-side switching element and a lower-stage-side switching element for at least one phase among switching elements for a plurality of phases in the inverter into an on state to allow current to flow back between the rotating electrical machine and the inverter.