公开(公告)号：US20240120826A1

公开(公告)日：2024-04-11

申请号：US18543166

申请日：2023-12-18

Applicant: Huawei Digital Power Technologies Co., Ltd.

Inventor： Ara BISSAL ,  Andreas STIEDL ,  Fugao ZHAO ,  Shuai WANG

IPC: H02M1/08 ,  H02M3/155

CPC classification number: H02M1/08 ,  H02M3/155

Abstract: A circuit breaker and a power supply system. The circuit breaker is disposed between a direct current power source and a load, the circuit breaker includes a first coil, a second coil, a switch unit, and a driver, where the switch unit and the driver form a linkage connection. The direct current power source is coupled to a first end of the first coil and a first end of the second coil, both a second end of the first coil and a second end of the second coil are coupled to one end of the switch unit, and the other end of the switch unit is coupled to the load. Inductive reactance of the first coil is less than inductive reactance of the second coil.

公开(公告)号：US20230215673A1

公开(公告)日：2023-07-06

申请号：US18147163

申请日：2022-12-28

Applicant: Huawei Digital Power Technologies Co., Ltd.

Inventor： Jian WU ,  Shuai WANG ,  Ara BISSAL ,  Zhen XU

IPC: H01H47/02 ,  H01H47/22

CPC classification number: H01H47/02 ,  H01H47/22

Abstract: A control circuit used for a circuit breaker, and an electronic device. The control circuit includes a first coil, a second coil, a switch module, and an adjustable current supply module. A first end of the switch module is coupled to one end of the first coil, the other end of the first coil is coupled to one end of the adjustable current supply module, the other end of the adjustable current supply module is coupled to a second end of the switch module, a third end of the switch module is coupled to one end of the second coil, and the other end of the second coil is coupled to a fourth end of the switch module. The switch module can control a direction of a first current.

公开(公告)号：US20240013996A1

公开(公告)日：2024-01-11

申请号：US18470780

申请日：2023-09-20

Applicant: Huawei Digital Power Technologies Co., Ltd.

Inventor： Ara BISSAL ,  Fugao ZHAO ,  Shuai WANG

IPC: H01H73/18 ,  H01H73/04

CPC classification number: H01H73/18 ,  H01H73/04

Abstract: A circuit breaker includes a mechanical switch circuit, and the mechanical switch circuit includes a busbar, a power module, and a drive module. The power module includes a movable contact and a stationary contact that is electrically connected to the busbar. When the movable contact is connected to the stationary contact, the mechanical switch circuit is connected. The drive module includes a switch circuit, a movable coil, and a stationary coil. The movable coil and the stationary coil are disposed adjacently, the switch circuit is configured to control a current direction of the movable coil and a current direction of the stationary coil, and the movable coil and the stationary coil attract or repel each other based on whether the current directions are the same to enable the movable coil to drive the movable contact to be connected to or disconnected from the stationary contact.