Patent ID: 9533580
Date: 2017-01-03
CPC Classifications: B60L,H02P,Y02T

Claim:
1. A power converter for a vehicle generator-motor, the power converter being configured to be connected to a rotating electrical machine including a field winding and an armature winding to perform control in accordance with an operation command issued from an outside, the power converter comprising: a field power conversion section connected between the field winding and an input/output terminal for electric power, for controlling a field current flowing through the field winding; an armature power conversion section connected between the armature winding and the input/output terminal, for performing AC-DC interconversion; and a control section for controlling the field power conversion section and the armature power conversion section in accordance with an operating mode of the rotating electrical machine based on the operation command, wherein the control section switches the operating mode among a plurality of operating modes including a driving mode and at least one of a power generating mode or a braking mode, wherein, in a case of shift from the driving mode to another mode, a timing to stop energization of an armature current of the armature winding is changed in accordance with a type of a mode to be shifted next, and wherein the control section comprises: