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    • 3. 发明授权
    • VA metering in polyphase systems
    • 多相系统中的VA计量
    • US07747400B2
    • 2010-06-29
    • US11973630
    • 2007-10-09
    • John Voisine
    • John Voisine
    • G01R25/00G01R19/00G01R7/00
    • G01R21/1331
    • An arrangement includes an A/D converter and a processing circuit. The A/D converter is configured to generate digital samples of voltage and current waveforms in a polyphase electrical system. The processing circuit is operably coupled to receive the digital samples from the A/D converter. The processing circuit is further configured to combine a value substantially equal to two times the magnitude of the phase A current sample with the phase C current sample to generate a first value, and generate a VA calculation using the first value and at least one other value. The processing circuit is further configured to provide information representative of the VA calculation to one of a group consisting of a display, a communication circuit, and a billing calculation unit.
    • 一种装置包括A / D转换器和处理电路。 A / D转换器被配置为在多相电气系统中产生电压和电流波形的数字样本。 处理电路可操作地耦合以从A / D转换器接收数字采样。 处理电路还被配置为将基本上等于相A电流样本的幅度的两倍的值与相位C电流样本组合以产生第一值,并且使用第一值和至少一个其他值来生成VA计算 。 所述处理电路还被配置为向由包括显示器,通信电路和计费计算单元的组中的一个提供表示所述VA计算的信息。
    • 4. 发明授权
    • Utility meter having programmable pulse output
    • 电能表具有可编程脉冲输出
    • US07167804B2
    • 2007-01-23
    • US11112850
    • 2005-04-22
    • Gregory Andrew FridholmDavid Allan StenbergJohn Voisine
    • Gregory Andrew FridholmDavid Allan StenbergJohn Voisine
    • G01R21/00
    • G01R22/10
    • An apparatus for measuring energy consumption includes an input circuit and a processing circuit. The input circuit is operable to generate a first digital signal representative of a line voltage waveform and a second digital signal representative of a line current waveform. The processing circuit is operable to generate energy consumption data based on the first digital signal and the second digital signal. The processing circuit is further operable to generate a first pulse waveform having a plurality of output pulses based on the energy consumption data, each output pulse corresponding to a quantity of energy consumed, the first pulse waveform having a select one of a plurality of modes. The processing circuit is further operable to provide the first pulse waveform to a meter output.
    • 用于测量能量消耗的装置包括输入电路和处理电路。 输入电路可操作以产生表示线电压波形的第一数字信号和表示线电流波形的第二数字信号。 处理电路可操作以基于第一数字信号和第二数字信号产生能量消耗数据。 处理电路进一步可操作地产生基于能量消耗数据具有多个输出脉冲的第一脉冲波形,每个输出脉冲对应于消耗的能量的量,第一脉冲波形具有多个模式中的选择一个。 处理电路还可操作以将第一脉冲波形提供给仪表输出。
    • 6. 发明授权
    • Electrical service disconnect having tamper detection
    • 电气服务断开,具有篡改检测
    • US07091878B2
    • 2006-08-15
    • US10085426
    • 2002-02-28
    • Brett HolleMichael AndersonJohn Voisine
    • Brett HolleMichael AndersonJohn Voisine
    • G08B23/00
    • G01R22/066
    • A tamper detection arrangement in a meter having a service disconnect switch employs a voltage sense circuit that requires only a single connection to digital processing circuitry for the feeder lines of typical residential service. In one embodiment, the voltage sense circuit includes an isolation device that electrically isolates the processing device from the line voltages. The voltage sense circuit senses a voltage on the feeder lines and is operable to generate a voltage detection signal having a characteristic representative of whether line voltage from the electrical power lines is present on the feeder lines. A processing circuit is operably connected to the voltage sense circuit to receive the voltage detection signal and to selectively generate a tamper flag based on whether the characteristic of the voltage detection signal indicates the presence of voltage on the first and second feeder lines when the service disconnect switch has disconnected the electrical power lines from the first and second feeder lines.
    • 具有服务断开开关的仪表中的篡改检测装置采用电压检测电路,该电压检测电路仅需要与典型住宅服务的馈线的数字处理电路的单个连接。 在一个实施例中,电压检测电路包括将处理装置与线路电压电隔离的隔离装置。 电压检测电路感测馈电线路上的电压,并且可操作以产生具有代表来自电力线的线路电压是否存在于馈电线路上的特性的电压检测信号。 处理电路可操作地连接到电压检测电路以接收电压检测信号,并且当服务断开时基于电压检测信号的特性是否指示第一和第二馈线上的电压的存在来选择性地产生篡改标志 开关断开了电源线与第一和第二馈线。
    • 7. 发明申请
    • Enhanced fault protection in electricity meter
    • 增强电表故障保护
    • US20050237047A1
    • 2005-10-27
    • US11109474
    • 2005-04-19
    • John Voisine
    • John Voisine
    • G01R11/04G01R22/10G01R19/00
    • G01R11/04G01R22/10
    • An arrangement for obtaining measurable voltage signals in a utility meter includes a first connection to a phase of a power line, a second connection to a reference of a power line, a voltage divider circuit, and a series inductor. The voltage divider circuit is disposed on a circuit board and is coupled between a first node and the second connection. The voltage divider circuit has an output configured to provide measurable voltage signals to a circuit operable to generate voltage measurement information. The series inductor is disposed apart from the circuit board and is configured for current limiting. The series impedance element is coupled between the first connection and the first node.
    • 用于在公用事业仪表中获得可测量的电压信号的装置包括到电力线的相位的第一连接,到电力线参考的第二连接,分压器电路和串联电感器。 分压器电路设置在电路板上并且耦合在第一节点和第二连接之间。 分压器电路具有被配置为向可操作以产生电压测量信息的电路提供可测量的电压信号的输出。 串联电感器被设置为与电路板分开并被配置为限流。 串联阻抗元件耦合在第一连接和第一节点之间。
    • 9. 发明授权
    • Electrical service disconnect having external interface
    • 电气断路器具有外部接口
    • US07362232B2
    • 2008-04-22
    • US11431440
    • 2006-05-10
    • Brett HolleMichael AndersonJohn Voisine
    • Brett HolleMichael AndersonJohn Voisine
    • G08B21/00
    • G01R22/066
    • An arrangement is provided for use in an electrical utility meter that includes a metering unit, a service disconnect circuit, and a housing assembly. The service disconnect circuit has a connected state that operably couples utility power lines to a load, and a disconnected state and as armed state that operably decouples the utility power lines from the load. The housing assembly is disposed over the metering unit and the service disconnect circuit, and has at least one electronic indicator visible to an outside of the housing assembly. The electronic indicator is operable to provide a visual signal representative of the service disconnect circuit in the armed state. The housing further includes an externally accessible actuator operably connected to the service disconnect circuit to change the service disconnect switch from the armed state to the connected state.
    • 提供了一种在包括计量单元,服务断开电路和壳体组件的电力仪表中使用的装置。 服务断开电路具有将公用电力线可操作地耦合到负载的连接状态,以及断开状态以及将公用电力线与负载可操作地分离的布防状态。 壳体组件设置在计量单元和服务断开电路之上,并且具有至少一个电子指示器,其可见于外壳组件的外部。 电子指示器可操作以提供表示处于布防状态的服务断开电路的视觉信号。 壳体还包括可操作地连接到服务断开电路的外部可访问的致动器,以将服务断开开关从布防状态改变到连接状态。
    • 10. 发明申请
    • Electrical service disconnect having external interface
    • 电气断路器具有外部接口
    • US20060232433A1
    • 2006-10-19
    • US11431440
    • 2006-05-10
    • Brett HolleMichael AndersonJohn Voisine
    • Brett HolleMichael AndersonJohn Voisine
    • G08B21/00
    • G01R22/066
    • An arrangement is provided for use in an electrical utility meter that includes a metering unit, a service disconnect circuit, and a housing assembly. The service disconnect circuit has a connected state that operably couples utility power lines to a load, and a disconnected state and as armed state that operably decouples the utility power lines from the load. The housing assembly is disposed over the metering unit and the service disconnect circuit, and has at least one electronic indicator visible to an outside of the housing assembly. The electronic indicator is operable to provide a visual signal representative of the service disconnect circuit in the armed state. The housing further includes an externally accessible actuator operably connected to the service disconnect circuit to change the service disconnect switch from the armed state to the connected state.
    • 提供了一种在包括计量单元,服务断开电路和壳体组件的电力仪表中使用的装置。 服务断开电路具有将公用电力线可操作地耦合到负载的连接状态,以及断开状态以及将公用电力线与负载可操作地分离的布防状态。 壳体组件设置在计量单元和服务断开电路之上,并且具有至少一个电子指示器,其可见于外壳组件的外部。 电子指示器可操作以提供表示处于布防状态的服务断开电路的视觉信号。 壳体还包括可操作地连接到服务断开电路的外部可访问的致动器,以将服务断开开关从布防状态改变到连接状态。