ELECTRIC OIL PUMP SYSTEM AND CONTROL METHOD THEREOF

摘要

An electric oil pump system and a control method thereof include an electrical oil pump that is derated or the derating of the electrical oil pump is released according to a coil temperature of the electrical oil pump, and a torque of a transmission is control according to whether or not the electrical oil pump is derated.

主权项

1. An electrical oil pump system comprising:
an electrical oil pump including a coil; a temperature sensor measuring a coil temperature of the electrical oil pump; an electrical oil pump controller derating the electrical oil pump or releasing the derating of the electrical oil pump according to the coil temperature of the electrical oil pump measured by the temperature sensor and requesting a transmission controller to control a torque of a transmission according to whether or not the electrical oil pump is derated; and a transmission controller decreasing the torque of the transmission or releasing the decrease of the torque thereof according to the derating of the electrical oil pump or the release of the derating of the electrical oil pump in the electrical oil pump controller.