Modular current sensor and power source
    2.
    发明授权
    Modular current sensor and power source 失效
    模块化电流传感器和电源

    公开(公告)号:US06433981B1

    公开(公告)日:2002-08-13

    申请号:US09475617

    申请日:1999-12-30

    IPC分类号: H02H300

    CPC分类号: G01R19/0092 H02M2001/0009

    摘要: A modular current sensor and power source unit (10) for duplicating the function of a current transformer is disposed on a conductor (11) of an electrical circuit. Modular current sensor and power source unit (10) includes a current transformer (12), a power supply circuit (14), a current sensor (16), and current source circuit (18). Current transformer (12) provides operating power to power supply circuit (14). Power supply circuit (14) regulates the operating power and provides the regulated operating power to sensor (16) and current source (18). Sensor (16) senses current in phase (11) and provides a signal indicative of the current in phase (11) to current source (18). Current source (18) receives the signal from sensor (16) and drives an output current proportional to this signal to the load circuit via lines (34) and (36). The current output by current source (18) has the attributes of the low power sensor (16) with the ability to provide power to the load circuit.

    摘要翻译: 用于复制电流互感器的功能的模块化电流传感器和电源单元(10)设置在电路的导体(11)上。 模块化电流传感器和电源单元(10)包括电流互感器(12),电源电路(14),电流传感器(16)和电流源电路(18)。 电流互感器(12)向电源电路(14)提供工作电源。 电源电路(14)调节工作功率并向传感器(16)和电流源(18)提供调节的工作功率。 传感器(16)感测同相(11)中的电流,并向电流源(18)提供指示同相(11)中的电流的信号。 电流源(18)从传感器(16)接收信号,并通过线路(34)和(36)将与该信号成比例的输出电流驱动到负载电路。 电流源(18)的电流输出具有能够向负载电路供电的低功率传感器(16)的属性。

    Circuit breaker with arcing fault detection module
    9.
    发明授权
    Circuit breaker with arcing fault detection module 失效
    具有电弧故障检测模块的断路器

    公开(公告)号:US5818671A

    公开(公告)日:1998-10-06

    申请号:US726896

    申请日:1996-10-04

    IPC分类号: H02H1/00 H02H3/00

    CPC分类号: H02H1/0015 H01H2083/201

    摘要: An arcing fault detecting module is attached to a circuit breaker employing a thermal-magnetic trip unit to separate the circuit breaker contacts upon occurrence of an arcing fault. The arcing fault module contains a logic circuit and a current transformer for detecting the arcing fault and actuating a trip solenoid to articulate the circuit breaker operating mechanism and separate the circuit breaker contacts.

    摘要翻译: 电弧故障检测模块附接到采用热磁跳闸单元的断路器,以在发生电弧故障时分离断路器触点。 电弧故障模块包含用于检测电弧故障的逻辑电路和电流互感器,并且启动跳闸电磁线圈来连接断路器操作机构并分离断路器触头。