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    • 13. 发明授权
    • Dip switch change detection in a self powered relay
    • 自供电继电器中的DIP开关变化检测
    • US09455563B2
    • 2016-09-27
    • US13854303
    • 2013-04-01
    • ABB TECHNOLOGY LTD
    • Vijay ShahIndresh BhatiaSohal PatelVishal H. Shah
    • H02H3/00H01H9/16H01H71/12H01H71/00
    • H02H3/006H01H9/167H01H71/123H01H2071/006H01H2300/03Y02B90/224Y04S20/14
    • An interface is disclosed for a self powered protection relay that uses mechanical switches for its configuration. The protection relay can include a base relay for measurement of line current and for generation of a trip signal, and a Human Machine Interface (HMI) unit for specifying, by a user, a base setting of an operating parameter of the protection relay. The base relay can be self-powered from the line and the HMI unit can include an auxiliary power supply. The protection relay is configured with mechanical switches provided in the protection relay. The HMI unit in the protection relay is designed to detect and alert the user of the relay of any change in the base setting carried out with one or more mechanical switches provided in the relay in powered and unpowered conditions of the base relay.
    • 公开了一种用于自动保护继电器的接口,其使用机械开关用于其配置。 保护继电器可以包括用于测量线路电流和产生跳闸信号的基座继电器,以及用于由用户指定保护继电器的运行参数的基本设置的人机界面(HMI)单元。 基座继电器可以从线路自动供电,HMI单元可以包括辅助电源。 保护继电器配置有保护继电器中提供的机械开关。 保护继电器中的HMI单元设计用于在基座继电器的供电和无动力状态下,通过在继电器中提供的一个或多个机械开关来检测和告知继电器的基准设置的任何变化。