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公开(公告)号：US20220085746A1
公开(公告)日：2022-03-17
申请号：US17416853
申请日：2019-12-17
Applicant: BYD COMPANY LIMITED
Inventor： Yubo LIAN , Heping LING , Hua PAN , Feiyue XIE , Lijun ZHANG
Abstract: The present disclosure discloses a motor drive apparatus, a method for controlling the same, a vehicle, and a readable storage medium, where the control method includes: obtaining a required heating power and a required charging power; and adjusting a current value and direction of each phase current of a three-phase motor based on the required heating power, the required charging power, and an output of the motor at a zero torque, to simultaneously control a process of charging a power battery by a power supply module, the torque of the three-phase motor at a zero output, and a three-phase inverter and the three-phase motor to heat a heat exchange medium flowing through at least one of the three-phase inverter or the three-phase motor.
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2.发明公开公开(公告)号：US20240223118A1
公开(公告)日：2024-07-04
申请号：US18606204
申请日：2024-03-15
Applicant: BYD COMPANY LIMITED
Inventor： Yubo LIAN , Heping LING , Hua PAN , Feiyue XIE , Lijun ZHANG
CPC classification number: H02P27/085 , H02J7/0063 , H02P29/62 , H02J2207/20
Abstract: A motor drive apparatus includes a three-phase inverter and a three-phase motor. A first terminal of the three-phase inverter is connected to a positive electrode of a power battery. A second terminal of the three-phase inverter is connected to a negative electrode of the power battery Three phase coils of the three-phase motor are respectively connected to midpoints of three phase legs of the three-phase inverter. The motor drive apparatus is configured to simultaneously control (i) a process of charging the power battery by a power supply module, (ii) a torque of the three-phase motor at a zero output, and (iii) the three-phase inverter and the three-phase motor to heat a heat exchange medium flowing through at least one of the three-phase inverter or the three-phase motor.
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