公开(公告)号：US12132432B2

公开(公告)日：2024-10-29

申请号：US18074233

申请日：2022-12-02

Applicant: BYD COMPANY LIMITED

Inventor： Heping Ling ,  Lei Yan ,  Yong Xiong ,  Chen Hong ,  Junwei Zhang

IPC: H02P25/22 ,  H02P27/06 ,  H02P29/68

CPC classification number: H02P29/68 ,  H02P27/06

Abstract: An energy conversion device is provided, including: a first electrical motor control circuit, where the first electrical motor control circuit is connected with a battery pack; a second electrical motor control circuit, where the second electrical motor control circuit is connected with the first electrical motor control circuit in parallel; and a controller, configured to: when operating in a first control mode, control the first electrical motor control circuit to charge and discharge the battery pack to heat the battery pack, and control the second electrical motor control circuit to output torque.