US 12,218,613 B2
Electric motor driving apparatus, control method, vehicle, and readable storage medium
Yubo Lian, Shenzhen (CN); Heping Ling, Shenzhen (CN); Hua Pan, Shenzhen (CN); Feiyue Xie, Shenzhen (CN); and Lijun Zhang, Shenzhen (CN)
Assigned to BYD COMPANY LIMITED, Shenzhen (CN)
Filed by BYD COMPANY LIMITED, Guangdong (CN)
Filed on Mar. 15, 2024, as Appl. No. 18/606,204.
Application 18/606,204 is a continuation of application No. 17/416,853, granted, now 11,990,853, previously published as PCT/CN2019/125979, filed on Dec. 17, 2019.
Claims priority of application No. 201811574157.X (CN), filed on Dec. 21, 2018.
Prior Publication US 2024/0223118 A1, Jul. 4, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H02P 27/08 (2006.01); H02J 7/00 (2006.01); H02P 29/62 (2016.01)
CPC H02P 27/085 (2013.01) [H02J 7/0063 (2013.01); H02P 29/62 (2016.02); H02J 2207/20 (2020.01)] 20 Claims
OG exemplary drawing
 
1. A motor drive apparatus, comprising: a three-phase inverter and a three-phase motor,
wherein 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, and three phase coils of the three-phase motor are respectively connected to midpoints of three phase legs of the three-phase inverter,
wherein 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.