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    • 1. 发明申请
    • HIGH DENSITY METERING SYSTEM
    • 高密度计量系统
    • US20110098952A1
    • 2011-04-28
    • US12983530
    • 2011-01-03
    • Avery LongRonald W. Carter
    • Avery LongRonald W. Carter
    • G01R21/00G01R5/00
    • G01R21/133G01R19/2513
    • A method of monitoring the electrical power in multiple branch circuits of an AC electrical power distribution system comprises monitoring at least one voltage common to said multiple branch circuits using a main meter unit, monitoring currents of the multiple branch circuits using multiple current cards that receive a plurality of current inputs from current transducers in the multiple branch circuits, sampling the monitored voltage in the main meter unit and the monitored currents in the current cards multiple times in each cycle of the AC power signal, determining the magnitudes and angles of spectral components of the sampled current in the current cards, sending data representing the magnitudes and angles of at least selected spectral components from the current cards to the main meter unit, and storing the voltage samples and the magnitudes and angles of at least the selected spectral components in the main meter unit.
    • 一种监测交流配电系统的多个分支电路中的电力的方法包括使用主计量单元来监测所述多个分支电路公用的至少一个电压,使用接收 多个分支电路中的电流传感器的多个电流输入,在AC功率信号的每个周期中多次采样主计单元中监视的电压和当前卡中的监视电流,确定频谱分量的幅度和角度 当前卡中的采样电流,将表示至少所选频谱分量的幅度和角度的数据从当前卡发送到主计单元,并将至少所选频谱分量的电压样本和幅度和角度存储在 主仪表单元。
    • 2. 发明申请
    • HIGH DENSITY METERING SYSTEM
    • 高密度计量系统
    • US20090322314A1
    • 2009-12-31
    • US12145856
    • 2008-06-25
    • Avery LongRonald W. Carter
    • Avery LongRonald W. Carter
    • G01R21/06
    • G01R21/133G01R19/2513
    • A method of monitoring the electrical power in multiple branch circuits of an AC electrical power distribution system comprises monitoring at least one voltage common to said multiple branch circuits using a main meter unit, monitoring currents of the multiple branch circuits using multiple current cards that receive a plurality of current inputs from current transducers in the multiple branch circuits, sampling the monitored voltage in the main meter unit and the monitored currents in the current cards multiple times in each cycle of the AC power signal, determining the magnitudes and angles of spectral components of the sampled current in the current cards, sending data representing the magnitudes and angles of at least selected spectral components from the current cards to the main meter unit, and storing the voltage samples and the magnitudes and angles of at least the selected spectral components in the main meter unit.
    • 一种监测交流配电系统的多个分支电路中的电力的方法包括使用主计量单元来监测所述多个分支电路公用的至少一个电压,使用接收 多个分支电路中的电流传感器的多个电流输入,在AC功率信号的每个周期中多次采样主计单元中监视的电压和当前卡中的监视电流,确定频谱分量的幅度和角度 当前卡中的采样电流,将表示至少所选频谱分量的幅度和角度的数据从当前卡发送到主计单元,并将至少所选频谱分量的电压样本和幅度和角度存储在 主仪表单元。
    • 3. 发明授权
    • High density metering system
    • 高密度计量系统
    • US08165834B2
    • 2012-04-24
    • US12983530
    • 2011-01-03
    • Avery LongRonald W. Carter
    • Avery LongRonald W. Carter
    • G06F19/00
    • G01R21/133G01R19/2513
    • A method of monitoring the electrical power in multiple branch circuits of an AC electrical power distribution system comprises monitoring at least one voltage common to said multiple branch circuits using a main meter unit, monitoring currents of the multiple branch circuits using multiple current cards that receive a plurality of current inputs from current transducers in the multiple branch circuits, sampling the monitored voltage in the main meter unit and the monitored currents in the current cards multiple times in each cycle of the AC power signal, determining the magnitudes and angles of spectral components of the sampled current in the current cards, sending data representing the magnitudes and angles of at least selected spectral components from the current cards to the main meter unit, and storing the voltage samples and the magnitudes and angles of at least the selected spectral components in the main meter unit.
    • 一种监测交流配电系统的多个分支电路中的电力的方法包括使用主计量单元来监测所述多个分支电路公用的至少一个电压,使用接收 多个分支电路中的电流传感器的多个电流输入,在AC功率信号的每个周期中多次采样主计单元中监视的电压和当前卡中的监视电流,确定频谱分量的幅度和角度 当前卡中的采样电流,将表示至少所选频谱分量的幅度和角度的数据从当前卡发送到主计单元,并将至少所选频谱分量的电压样本和幅度和角度存储在 主仪表单元。
    • 4. 发明授权
    • High density metering system
    • 高密度计量系统
    • US07865320B2
    • 2011-01-04
    • US12145856
    • 2008-06-25
    • Avery LongRonald W. Carter
    • Avery LongRonald W. Carter
    • G06F19/00
    • G01R21/133G01R19/2513
    • A method of monitoring the electrical power in multiple branch circuits of an AC electrical power distribution system comprises monitoring at least one voltage common to said multiple branch circuits using a main meter unit, monitoring currents of the multiple branch circuits using multiple current cards that receive a plurality of current inputs from current transducers in the multiple branch circuits, sampling the monitored voltage in the main meter unit and the monitored currents in the current cards multiple times in each cycle of the AC power signal, determining the magnitudes and angles of spectral components of the sampled current in the current cards, sending data representing the magnitudes and angles of at least selected spectral components from the current cards to the main meter unit, and storing the voltage samples and the magnitudes and angles of at least the selected spectral components in the main meter unit.
    • 一种监测交流配电系统的多个分支电路中的电力的方法包括使用主计量单元来监测所述多个分支电路公用的至少一个电压,使用接收 多个分支电路中的电流传感器的多个电流输入,在AC功率信号的每个周期中多次采样主计单元中监视的电压和当前卡中的监视电流,确定频谱分量的幅度和角度 当前卡中的采样电流,将表示至少所选频谱分量的幅度和角度的数据从当前卡发送到主计单元,并将至少所选频谱分量的电压样本和幅度和角度存储在 主仪表单元。
    • 6. 发明授权
    • System and method for frequency measurement based on quadratic forms
    • 基于二次形式的频率测量系统和方法
    • US08489351B2
    • 2013-07-16
    • US12895030
    • 2010-09-30
    • Ronald W. CarterKurt H. Copley
    • Ronald W. CarterKurt H. Copley
    • G01R23/00
    • G01R19/2506G01R23/02
    • A system and methods for determining points for an algorithm to calculate the frequency of a waveform measured from a monitoring device. Data points are measured from the waveform. A last point of interest from the previous cycle of the waveform is referenced. Four points of interest at equally spaced phase angles from the current cycle of the waveform are determined by calculating the average of the data points around each of the respective equally spaced phase angles of the current cycle of the waveform. The average value of the points of interest in the current cycle is subtracted from the four points of interest and the last point of interest from the previous cycle to compensate for DC bias. A frequency of the waveform is determined based on the determined four points of interest of the current cycle and the last point of interest from the previous cycle. The correction factor for determining sample frequency may be reduced for subsequent cycles in order to increase stability.
    • 一种用于确定用于计算从监测装置测量的波形的频率的算法的点的系统和方法。 数据点由波形测量。 参考上一个波形周期的最后一个兴趣点。 通过计算波形的当前周期的每个等间隔的相位角周围的数据点的平均值来确定与波形的当前周期相等的相位角的四个兴趣点。 从当前周期的兴趣点和上一个周期的最后一个兴趣点减去当前周期中的兴趣点的平均值,以补偿直流偏差。 基于当前周期的确定的四个兴趣点和前一周期的最后一个兴趣点确定波形的频率。 为了提高稳定性,用于确定采样频率的校正因子可以减少以后的周期。
    • 7. 发明申请
    • AUTOMATIC IDENTIFICATION OF MULTIPLE POWER GRIDS USING DATA SYNCHRONIZATION
    • 使用数据同步自动识别多个功率网格
    • US20110004324A1
    • 2011-01-06
    • US12496301
    • 2009-07-01
    • Jon A. BickelRonald W. Carter
    • Jon A. BickelRonald W. Carter
    • G05B19/042
    • H02J13/0093G01D4/002H02J13/0017H04Q9/00H04Q2209/60H04Q2209/823Y02B90/241Y02B90/244Y02E60/724Y02E60/74Y02E60/7807Y04S10/18Y04S10/30Y04S20/32Y04S20/327Y04S20/48Y04S40/12
    • A method of automatically identifying whether intelligent electronic devices (IEDs) in a power monitoring system are in multiple electrical grids. A controller sends an instruction to each IED in a predetermined time sequence such that each IED receives the instruction at a different time, commanding each IED to begin logging variation data indicative of frequency variations in a current/voltage signal monitored by the IED and to send the variation data to the controller and an associated cycle count of a point in the current/voltage signal. The controller receives the variation data and associated cycle count and determines a peak correlation using a data alignment algorithm on IED pair combinations. If the IEDs are on the same electrical grid, the peak correlations should occur at cycle count offsets that match the order that the IEDs received the instruction. Any discrepancies in the expected order of peak correlations are flagged, and the corresponding IEDs are determined to be on different grids.
    • 一种自动识别电力监控系统中的智能电子设备(IED)是否在多个电网中的方法。 控制器以预定的时间顺序向每个IED发送指令,使得每个IED在不同的时间接收指令,命令每个IED开始记录指示由IED监视的当前/电压信号中的频率变化的变化数据,并发送 到控制器的变化数据和当前/电压信号中的点的相关周期计数。 控制器接收变化数据和相关的循环计数,并使用IED对组合上的数据对齐算法确定峰值相关性。 如果IED位于相同的电网上,峰值相关应发生在符合IED接收到指令的顺序的周期计数偏移。 标记峰值相关性的预期顺序的任何差异,并将相应的IED确定为不同的网格。
    • 8. 发明申请
    • Automated configuration of a power monitoring system using hierarchical context
    • 使用分层上下文自动配置电力监控系统
    • US20090066528A1
    • 2009-03-12
    • US11900262
    • 2007-09-11
    • Jon Andrew BickelRonald W. CarterLarry E. Curtis
    • Jon Andrew BickelRonald W. CarterLarry E. Curtis
    • G08B21/00
    • G01D4/004G01R19/2513Y02B90/242Y02B90/245Y02B90/246Y04S20/322Y04S20/40Y04S20/42Y04S20/48
    • Methods of automatically configuring a power monitoring system based upon the locations of the monitoring devices in a hierarchy representing the spatial interrelationships of the monitoring devices. The power monitoring system includes a host computer communicatively coupled to a plurality of monitoring devices arranged in a hierarchy in an electrical system. Software on the host computer may execute any or all of an alarm aggregation algorithm for aggregating multiple alarms based on device location; a feature distribution algorithm for enabling/disabling selected device features; an evaluation algorithm for evaluating device applications; a device check algorithm for detecting flawed data; a custom configuration algorithm for customized configuration of thresholds on device-by-device basis; a host computer configuration algorithm for configuring the host computer; a redundancy algorithm for verifying an electrical event; an alarm configuration algorithm for configuring device thresholds; and a configuration error checking algorithm for detecting nomenclature issues.
    • 基于监视装置在表示监视装置的空间相互关系的层次中的位置来自动配置电力监控系统的方法。 电力监控系统包括通信地耦合到电气系统中以层次结构布置的多个监控设备的主计算机。 主计算机上的软件可以执行任何或所有报警聚合算法,用于根据设备位置聚合多个报警; 用于启用/禁用所选择的设备特征的特征分布算法; 用于评估设备应用的评估算法; 用于检测有缺陷的数据的设备检查算法; 定制配置算法,用于在逐个设备的基础上自定义阈值配置; 用于配置主机的主机配置算法; 用于验证电气事件的冗余算法; 用于配置设备阈值的报警配置算法; 以及用于检测命名问题的配置错误检查算法。
    • 9. 发明授权
    • Automated integration of data in utility monitoring systems
    • 在实用监控系统中自动整合数据
    • US07349815B2
    • 2008-03-25
    • US11173743
    • 2005-07-01
    • Jon A. BickelRonald W. CarterLarry E. Curtis
    • Jon A. BickelRonald W. CarterLarry E. Curtis
    • G06F19/00
    • G01D4/002G01R22/063Y02B90/241Y04S20/32
    • An automated integrated monitoring (IM) algorithm that automatically puts data from a utility monitoring system into context by temporally aligning the data to a common reference point and by identifying the location of each monitoring device in a hierarchy relative to other devices. Frequency variation data is received from all meters. The data is automatically aligned to a common reference point, such as a precise zero crossing, using a cross-correlation algorithm to determine the time delay at which the data is most correlated. Once the data is aligned, power data is received from all meters in a hierarchy, and the monitoring system layout is auto-learned using a correlation algorithm to determine which two meters are most likely correlated with one another based upon their historical power readings. Once the layout is complete, additional decisions regarding hardware and software configuration can automatically be made by the IM algorithm.
    • 一种自动综合监控(IM)算法,通过将数据暂时对齐到公共参考点,并通过识别相对于其他设备的层次结构中每个监控设备的位置,自动将来自公用事业监控系统的数据放入上下文中。 从所有仪表接收频率变化数据。 使用互相关算法来确定数据最相关的时间延迟,数据自动对齐到公共参考点,例如精确的过零点。 一旦数据对齐,从层次结构中的所有仪表接收电力数据,并且使用相关算法自动学习监视系统布局,以根据其历史功率读数来确定哪两个最可能相互关联。 布局完成后,可以通过IM算法自动进行有关硬件和软件配置的其他决策。