The invention relates to an electric automobile power control device. The device comprises a DCDC (Direct Current Direct Current) control unit, a central control unit and an accessory motor control unit, and is characterized by also comprising a main motor control unit for controlling drive and brake feedback of a power motor, wherein the central control unit is provided with a high-voltage input interface, is connected with the DCDC control unit, the accessory motor control unit and the main motor control unit respectively, and is used for providing high-voltage power; voltage output of the DCDC control unit is connected with the main motor controller and the accessory motor controller respectively to provide low-voltage power. Main power electrical and electronic functions such as motor drive, brake feedback, DCDC power supply, accessory motor controller functions (such as electric air conditioning, electric boosting and PTC (Positive Temperature Coefficient)), high and low voltage distribution and charging on a vehicle are realized, a reliable and stable power control function can be provided for the vehicle, the space of the vehicle is further greatly saved, and a great progress is made in the field.
Electric automobile power control device and controller
2015-05-06
Patent
Elektronische Ressource
Englisch
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