Patent ID: 9412546
Filing Date: 2016-08-09
CPC Classification: H01H,H02H

Claim Text:
1. A control unit for a circuit breaker which interworks with a relay, the control unit comprising: a status module configured to manage an operation status of the circuit breaker connected to the control unit; an Ethernet drive configured to receive a GOOSE message type control signal from the relay via Ethernet communication; a control module configured to operate the circuit breaker based on the GOOSE message type control signal; and a main control unit (MCU) module configured to: determine whether the GOOSE message type control signal is related to the control unit; transmit the GOOSE message type control signal to the control module if the GOOSE message type control signal is related to the control unit; and delete the GOOSE message type control signal if the received GOOSE message type control signal is unrelated to the control unit, wherein the control unit is mounted outside of the circuit breaker as an independent module, and wherein the relay is connected to one or more control units and the relay is configured to broadcast the GOOSE message type control signal to the one or more control units via Ethernet communication.