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    • 54. 发明申请
    • Determining Components of an Electric Service Using Tolerance Ranges
    • 使用公差范围确定电气服务的组件
    • US20120089354A1
    • 2012-04-12
    • US12900673
    • 2010-10-08
    • Scott T. Holdsclaw
    • Scott T. Holdsclaw
    • G06F19/00G01R19/00
    • G01R22/10G01R21/133
    • Components of an electric service may be identified by measuring voltage signals relating to the connection of an electrical energy meter connected to the electric service. The voltage signals that may be measured include line to neutral voltages and line to line voltages. The values of the measured line to neutral voltages may be compared to reference information comprising tabulated values that may be tabulated as ratios of nominal service voltages associated with different service types. The values of the measured line to line voltages may be compared to ideal line to line voltages calculated using fixed values from the reference information.
    • 可以通过测量与连接到电气服务的电能表的连接相关的电压信号来识别电力服务的组件。 可以测量的电压信号包括线到中性电压和线对电压。 测量的线路与中性点电压的值可以与包括列表值的参考信息进行比较,该列表值可以列表为与不同服务类型相关联的标称服务电压的比率。 测量的线对电压的值可以与使用参考信息的固定值计算的理想线对电压进行比较。
    • 55. 发明申请
    • ELECTRIC POWER INFORMATION DISPLAY RECEPTACLE MODULE
    • 电力信息显示接收模块
    • US20120086437A1
    • 2012-04-12
    • US13005022
    • 2011-01-12
    • TSUNG-CHIH LIN
    • TSUNG-CHIH LIN
    • G01R1/04
    • G01R22/10H01R13/665H01R31/065H01R2103/00
    • A detachable electric power information display receptacle module includes an outlet apparatus and an electric power information display apparatus. The outlet apparatus is detachably connected to the electric power information display apparatus and has a power output interface and a power input interface. When an electrical device is connected to the outlet apparatus, the outlet apparatus detects the power consumption of the electrical device. The electric power information display apparatus receives the power consumption from a signal transmission line and displays electric power information. When the electric power information display apparatus is combined with the outlet apparatus, the detachable electric power information display receptacle module is performed as a portable electronic meter. When the electric power information display apparatus is separated from the outlet apparatus, the electric power information display apparatus may be placed in a proper position for user to review the electric power information conveniently.
    • 可拆卸电力信息显示插座模块包括出口装置和电力信息显示装置。 出口装置可拆卸地连接到电力信息显示装置,并具有电力输出接口和电力输入接口。 当电气设备连接到出口设备时,出口设备检测电气设备的功率消耗。 电力信息显示装置从信号传输线接收电力消耗并显示电力信息。 当电力信息显示装置与出口装置组合时,可拆卸电力信息显示插座模块被执行为便携式电子计量器。 当电力信息显示装置与出口装置分离时,电力信息显示装置可以放置在适当的位置,方便用户检查电力信息。
    • 59. 发明授权
    • Transformer through-fault current monitor
    • 变压器通过故障电流监视器
    • US08031447B2
    • 2011-10-04
    • US12247911
    • 2008-10-08
    • Armando Guzman-CasillasNormann Fischer
    • Armando Guzman-CasillasNormann Fischer
    • H02H7/04H02H3/08H02H9/02
    • H02H7/045G01R19/0092G01R22/10G01R31/088
    • A device is provided for monitoring through-fault current in an electric transformer on an electrical power system. The device generally includes a magnitude calculator for calculating the magnitude of current (e.g., a root means square value of current or magnitude of a fundamental of current) based on the current through the electric transformer. A through-fault energy calculator is further provided which is coupled to the magnitude calculator for calculating a through-fault energy value based on the magnitude of current or the calculated current through the transformer. An accumulator is coupled to the through-fault energy calculator for accumulating a plurality of through-fault energy values, and an alarm coupled to the accumulator for indicating that the accumulated through-fault energy values exceed a selected threshold.
    • 提供一种用于监测电力系统中的电力变压器中的故障电流的装置。 该装置通常包括用于基于通过电变压器的电流来计算电流的大小(例如,根指电流的电流的平方值或电流的基波的大小)的幅度计算器。 还提供一个通过故障的能量计算器,其连接到幅度计算器,用于基于电流的大小或通过变压器的计算电流来计算贯穿故障能量值。 累加器耦合到通过故障能量计算器以累积多个通过故障的能量值,以及耦合到累加器的用于指示累积的通过故障能量值超过所选择的阈值的警报。