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    • 1. 发明申请
    • ELECTRICAL POWER LINE SENSING AND SENSOR ASSEMBLY
    • 电力线传感器和传感器总成
    • WO2006021030A1
    • 2006-03-02
    • PCT/AU2005/001261
    • 2005-08-23
    • FAULT DETECTORS PTY LTDNUNN, Gregory, JamesMURRAY, David, Russell
    • NUNN, Gregory, JamesMURRAY, David, Russell
    • G01R19/145
    • G01R15/18G01R1/203G01R15/144G01R15/146
    • A sensor assembly connected between a power line to be monitored and ground as a flexible lead assembly integrated with respective input and output ends as a single encapsulated flexible unit. A V-block (101) and screw clamp (109) are attached to an input circuit (102) which includes a current sensor coil (104) which generates an optical signal and transmits the sample data over a optical waveguide (105). This sample data is received by an output circuit (106) which is connected to ground through connector (107). Circuit (106) is also connected to a resistive element in the form of a resistor chain (103) which spirals around optical waveguides (105 and 110) and connects at the input end to circuit (102) which in turn connects to V-block (101) and thence to the line. The electronic circuits on circuit boards (102) and (106) sample and digitise the instantaneous value of this current from circuit board (102 to 106) over optical waveguide (105) along with the line current sample data. The optical signal(s) are converted to electrical form at the output end. Electronic circuitry on circuit board (106) processes the current and voltage sample data to derive information about the power line such as RMS current and voltage, power flow, power factor and so on and transmits this data in digital form to other equipment via external connector (107).
    • 一个传感器组件连接在要被监测的电力线和作为一个柔性引线组件接地的电力线路之间,该组件与相应的输入和输出端集成为一个单一封装的柔性单元。 V形块(101)和螺旋夹具(109)附接到输入电路(102),输入电路(102)包括产生光信号的电流传感器线圈(104),并通过光波导(105)传送采样数据。 该采样数据由通过连接器(107)连接到地的输出电路(106)接收。 电路(106)还连接到电阻器链(103)形式的电阻元件,电阻器链(103)围绕光波导(105和110)螺旋,并在输入端连接到电路(102),电路(102)又连接到V块 (101),然后到线。 电路板(102)和(106)上的电子电路与线路电流采样数据一起,通过光波导(105)从电路板(102至106)采样并数字化该电流的瞬时值。 光信号在输出端被转换成电形式。 电路板(106)上的电子电路处理电流和电压采样数据以得到关于电力线的信息,例如RMS电流和电压,功率流量,功率因数等,并将数据形式的数据通过外部连接器传输到其他设备 (107)。
    • 2. 发明申请
    • A MEMORY OR SIGNATURE CIRCUIT FOR SWITCHGEAR
    • 用于开关的存储器或签名电路
    • WO1994007254A1
    • 1994-03-31
    • PCT/AU1993000472
    • 1993-09-14
    • NU-LEC PTY LTDMURRAY, David, RussellLAMBERT, Peter, Robert
    • NU-LEC PTY LTD
    • H01H71/04
    • H02H3/00H01H1/0015H02H1/0053
    • A memory circuit associated with the housing for a circuit breaker or other switchgear is disclosed. The circuit has a non-volatile memory or a memory with battery back-up and a single input line divided into separate lines of different time constant. By choosing the relative time constant duration it is possible to control the memory, input data to the memory and select memory locations from which data is to be read and made available at the output using this single line. The memory stores information peculiar to a particular circuit breaker or other switchgear, as well as other data added as a consequence of the service life and history of operation of the circuit breaker.
    • 公开了一种与用于断路器或其他开关装置的壳体相关联的存储器电路。 该电路具有非易失性存储器或具有电池备份的存储器,并且将单个输入线划分成不同时间常数的独立线路。 通过选择相对时间常数持续时间,可以控制存储器,将数据输入存储器,并选择要从中读取数据并使用该单行在输出端可用的存储单元。 存储器存储特定断路器或其他开关装置特有的信息,以及由于断路器的使用寿命和操作历史而添加的其他数据。