Patent ID: 11865933
Assignee: BYD COMPANY LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H  Y | IPC B  H

Claim 15:
16. The energy conversion device according to claim 1, wherein the bridge arm converter comprises three-phase bridge arms formed by a first power switch unit and a second power switch unit connected in series, a third power switch unit and a fourth power switch unit connected in series, and a fifth power switch unit and a sixth power switch unit connected in series, wherein
a first end of the first power switch unit, a first end of the third power switch unit, and a first end of the fifth power switch unit are connected together to form a positive end of the bridge arm converter, and the positive end of the bridge arm converter is connected to a positive end of the bidirectional bridge arm;
a second end of the second power switch unit, a second end of the fourth power switch unit, and a second end of the sixth power switch unit are connected together to form a negative end of the bridge arm converter, and the negative end of the bridge arm converter is connected to a negative end of the bidirectional bridge arm; and
a connection point between a second end of the first power switch unit and a first end of the second power switch unit is connected to a first phase coil of the motor coil, a connection point between a second end of the third power switch unit and a first end of the fourth power switch unit is connected to a second phase coil of the motor coil, and a connection point between a second end of the fifth power switch unit and a first end of the sixth power switch unit is connected to a third phase coil of the motor coil.