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    • 3. 发明申请
    • PROTECTIVE RELAY AND HUMAN-MACHINE INTERFACE THEREFOR
    • 保护继电器及人机界面
    • WO2009071454A1
    • 2009-06-11
    • PCT/EP2008/065987
    • 2008-11-21
    • ABB Technology AGSHAH, VijayDECK, Bernhard
    • SHAH, VijayDECK, Bernhard
    • H01H71/12H02H3/00H01H71/74
    • H01H71/123H01H71/7409H01H2071/006H02H3/006
    • The present invention is concerned with a fully operational digital protective relay or Intelligent Electronic Device (IED) for protecting electrical equipment of a power distribution system. The relay comprises an input module, a processing module and an output module. Signals received from current transformers connected to the input module are evaluated by the processing module, and in reaction there to, trip signals may be output to an actuator of a circuit breaker via the output module. A base Human Machine Interface (HMI) enables a user to enter operating parameters such as delay time or nominal current to the processing module. As an option, a further HMI may be attached to the protective relay and connected, via a suitable interface for data exchange, to the processing module for the purpose of displaying protection-related information to a user. This further HMI is both optional and detachable, i.e. it may be repeatedly attached to and detached from the protection device. The detachable HMI provides for an increased flexibility in the use of the protective relay, as a user may adapt its interfacing capability by acquiring a detachable HMI of the type and at the time that suit best his evolving needs.
    • 本发明涉及用于保护配电系统的电气设备的完全可操作的数字保护继电器或智能电子设备(IED)。 继电器包括输入模块,处理模块和输出模块。 从连接到输入模块的电流互感器接收到的信号由处理模块进行评估,并且在此反应中,跳闸信号可以经由输出模块输出到断路器的致动器。 基本的人机界面(HMI)使用户能够向处理模块输入诸如延迟时间或额定电流的操作参数。 作为选择,可以将另外的HMI附接到保护继电器并通过用于数据交换的适当接口连接到处理模块,以向用户显示保护相关信息。 该另外的HMI是可选的和可拆卸的,即它可以被重复地附接到保护装置并从保护装置拆卸。 可拆卸的HMI提供了使用保护继电器的更大的灵活性,因为用户可以通过获取类型的可拆卸的HMI并且在最适合其不断变化的需要的时候来适应其接口能力。