公开(公告)号：EP4016806A1

公开(公告)日：2022-06-22

申请号：EP20853507.0

申请日：2020-08-13

Applicant: BYD Company Limited

Inventor： XIE, Feiyue ,  LIU, Changjiu ,  LI, Jicheng ,  HU, Lei ,  ZHENG, Yihao

IPC: H02K3/04

Abstract: The disclosure relates to the field of electronic technologies, and provides a motor and an energy conversion device therefor. The motor includes a motor coil. The motor coil includes x sets of windings. A number of phases of the x sets of windings is m x . In each of the x sets of windings, each phase winding includes n x coil branches. A first end of each of the n x coil branches of each phase winding is connected with a first end of a coil branch separated from the coil branch by an electrical angle of 360 degrees, to form m x phase endpoints. A second end of each of the n x coil branches of each phase winding is further connected with a second end of a coil branch separated from the coil branch by an electrical angle of P ∗ (360 ∗ k 1 + 360/m x ) degrees to form n x neutral points, n x ≥ m x ≥ 2, n x ≥ 3, p = ± 1, 1 ≤ k 1 ≤ ( n x -1), and m x n x , and k 1 are all integers.

公开(公告)号：EP4086112A1

公开(公告)日：2022-11-09

申请号：EP20910329.0

申请日：2020-12-10

Applicant: BYD Company Limited

Inventor： LING, Heping ,  PAN, Hua ,  XIE, Feiyue ,  HUANG, Ri ,  ZHENG, Yihao

IPC: B60L58/27

Abstract: The present disclosure relates to the technical field of vehicles, and provides a vehicle and an energy conversion device and a control method therefor. The energy conversion device includes a motor controller, a bus capacitor, a first switch module, a motor, and a second switch module. By controlling the first switch module and the second switch module to be turned on/off, a motor driving circuit can be formed by a battery pack, the first switch module, the bus capacitor, the motor controller, and the motor, and a charging and discharging circuit can be formed by the battery pack, the second switch module, the motor, the motor controller, and the bus capacitor.