公开(公告)号：US20140355165A1

公开(公告)日：2014-12-04

申请号：US14275659

申请日：2014-05-12

Applicant: LSIS CO., LTD.

Inventor： Hong Seon AHN

IPC: H01H51/00

CPC classification number: H01H51/00 ,  H02H1/0061 ,  H02H7/261

Abstract: Disclosed are a control unit for a circuit breaker capable of controlling and monitoring various types of switches such as a circuit breaker and a switchgear included in power system equipment, by being attached to the switches or by being implemented in the form of an independent module, and a controlling method thereof. The control unit for a circuit breaker, which interworks with a relay and a circuit breaker, includes: an Ethernet drive configured to receive a GOOSE message type control signal from the relay connected thereto through 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 transmit the GOOSE message type control signal to the control module, if the received GOOSE message type control signal is related to the control unit.

Abstract translation: 公开了一种用于断路器的控制单元，其能够通过附接到开关或通过独立模块的形式来控制和监视诸如断路器和包括在电力系统设备中的开关设备的各种类型的开关， 及其控制方法。 用于与继电器和断路器相互作用的断路器的控制单元包括：以太网驱动器，被配置为从通过以太网通信连接到其的继电器接收GOOSE消息类型控制信号; 控制模块，被配置为基于所述GOOSE消息类型控制信号来操作所述断路器; 以及主控制单元（MCU）模块，被配置为如果所接收的GOOSE消息类型控制信号与控制单元相关，则将GOOSE消息类型控制信号发送到控制模块。

公开(公告)号：US20140334047A1

公开(公告)日：2014-11-13

申请号：US14262454

申请日：2014-04-25

Applicant: LSIS CO., LTD.

Inventor： Hong Seon AHN

IPC: H02H9/04

CPC classification number: H02H9/041 ,  H02H1/06

Abstract: A self-power circuit for a protecting relay includes: a rectifying circuit section rectifying an AC current from an electric power system; a power source circuit section includes: a comparator comparing whether an output voltage from the rectifying circuit section exceeds a reference voltage and a semiconductor switch configured to be switched by an output from the comparator, and supply the output voltage from the rectifying circuit section, as a constant voltage to a microcomputer unit of the protecting relay; an inductor configured to, when a DC current supplied from the rectifying circuit section is rapidly increased, gradually increase the DC current to flow to thus have an increased voltage thereacross; and a bi-directional diode connected between the power source circuit section and a ground and turned on to form a bypass path of a current when a DC voltage supplied from the power source circuit section is rapidly increased.

Abstract translation: 用于保护继电器的自供电电路包括：整流电路部分，对来自电力系统的交流电进行整流; 电源电路部分包括：比较来自整流电路部分的输出电压是否超过参考电压的比较器和被配置为由比较器的输出切换的半导体开关，并将来自整流电路部分的输出电压作为 保护继电器的微电脑单元的恒定电压; 电感器，被配置为当从所述整流电路部分提供的直流电流迅速增加时，逐渐增加所述直流电流流动从而使所述直流电流增加; 连接在电源电路部分和接地之间的双向二极管，当从电源电路部分提供的直流电压迅速增加时，导通，形成电流的旁路。

公开(公告)号：US20130265675A1

公开(公告)日：2013-10-10

申请号：US13850998

申请日：2013-03-26

Applicant: LSIS CO., LTD.

Inventor： Hong Seon AHN

IPC: H02H7/20

CPC classification number: H02H7/20 ,  H05K1/0215 ,  H05K1/0218 ,  H05K1/141 ,  H05K2201/044 ,  H05K2201/10295

Abstract: A digital protective relay includes at least one daughter PCB having an electronic circuit which generates electromagnetic interference noise or high frequency noise; and a backplane printed circuit board having, on an upper surface thereof, a plurality of first connectors for connection with the daughter PCB, connected to the daughter PCB through the first connectors, and providing a noise discharge path along which the electromagnetic interference noise or the high frequency noise from the daughter PCB flows to an external ground.

Abstract translation: 数字保护继电器包括至少一个子PCB，其具有产生电磁干扰噪声或高频噪声的电子电路; 以及背板印刷电路板，在其上表面上具有多个用于与子PCB连接的第一连接器，通过第一连接器与子PCB连接，并提供噪声放电路径，沿着该噪声放电路径，电磁干扰噪声或 子PCB的高频噪声流向外部地面。