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    • 2. 发明授权
    • Circuit breaker having programmable amplifier
    • 具有可编程放大器的断路器
    • US06560084B1
    • 2003-05-06
    • US09435110
    • 1999-11-05
    • Mario BilacPeter Spenlove Staley
    • Mario BilacPeter Spenlove Staley
    • H02H308
    • H02H3/006
    • A circuit breaker (10) (FIG. 1) has a power line (12) for carrying a power signal from a source to a load and a current transformer (14, 16, 18, 20) configured to sense the power signal and provide a sense signal based on the power signal at a first terminal (14a, 16a, 18a, 20a) (FIG. 2). The circuit breaker (10) includes a control circuit (26) configured to receive a first data message and to provide a second data message based on the first data message at a second terminal (40). The circuit breaker (10) further includes a programmable amplifier (30) coupled to the first terminal (14a, 16a, 18a, 20a) and the second terminal (40) configured to receive the sense signal, to receive the second data message, to amplify the sense signal based on the second data message, and to provide the amplified sense signal at a third terminal (42). A method of constructing the circuit breaker (10) is provided (FIG. 3), including providing a circuit breaker (56) component having a computer-readable indicia (58) representative of a desired rating of the circuit breaker (10); coupling an electronic module (22) to the circuit breaker component (56), the electronic module having the control circuit (26) and the programmable amplifier (30); scanning the computer-readable indicia (58); and providing the first data message to the control circuit (26), wherein the first data message is based on the scanned computer-readable indicia (58).
    • 断路器(10)(图1)具有用于承载从源到负载的功率信号的电力线(12)和被配置为感测功率信号的电流互感器(14,16,18,20),并且提供 基于第一端子(14a,16a,18a,20a)(图2)处的功率信号的感测信号。 断路器(10)包括被配置为接收第一数据消息并且在第二终端(40)处基于第一数据消息提供第二数据消息的控制电路(26)。 断路器(10)还包括耦合到第一端子(14a,16a,18a,20a)的可编程放大器(30)和被配置为接收感测信号的第二端子(40),以接收第二数据消息, 基于第二数据消息放大感测信号,并在第三终端(42)提供放大的感测信号。 提供构造断路器(10)的方法(图3),包括提供具有代表断路器(10)的期望额定值的计算机可读标记(58)的断路器(56)部件。 将电子模块(22)耦合到断路器组件(56),所述电子模块具有控制电路(26)和可编程放大器(30); 扫描计算机可读标记(58); 以及向所述控制电路(26)提供所述第一数据消息,其中所述第一数据消息基于所扫描的计算机可读标记(58)。