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    • 2. 发明授权
    • Revenue meter with power quality features
    • 电力质量特征的收入表
    • US06615147B1
    • 2003-09-02
    • US09370317
    • 1999-08-09
    • Rene T. JonkerPiotr B. PrzydatekColin N. GunnMichael E. TeachmanConstantine A. Antoniou
    • Rene T. JonkerPiotr B. PrzydatekColin N. GunnMichael E. TeachmanConstantine A. Antoniou
    • G01R2106
    • G01R21/133
    • Power quality detection, monitoring, reporting, recording and communication in a revenue accuracy electrical power meter is disclosed. Transient events are detected by monitoring the wave shape of the electrical power and comparing deviations to a known threshold. Sags and Swells are detected by computing root mean square value over a rolling window and comparing the computed value with a known threshold. Harmonic frequencies and symmetrical components are quantified by a known algorithm and compared with a known threshold. Incoming waveforms are stored to memory. All recorded and computed data is moved to non-volatile storage via direct memory access transfer in the event that a power quality event jeopardizes the operating power of the meter. Further, the meter provides a power supply utilizing high and low capacitive storage banks to supply sufficient energy to survive short duration power quality events which jeopardize the meter's operating power.
    • 公开了电力质量检测,监控,报告,记录和通信在收入精确度电表中。 通过监测电功率的波形并将偏差与已知阈值进行比较来检测瞬态事件。 通过在滚动窗口上计算均方根值并将计算的值与已知阈值进行比较来检测下垂和骤升。 谐波频率和对称分量由已知算法量化,并与已知阈值进行比较。 输入波形存储到存储器中。 在电力质量事件危及仪表的工作功率的情况下,所有记录和计算的数据都通过直接存储器访问传输移动到非易失性存储器。 此外,该仪表提供利用高和低电容性存储库的电源,以提供足够的能量以在短时间内的电能质量事件中存活,从而危及电表的工作功率。
    • 3. 发明授权
    • Revenue meter with power quality features
    • 电力质量特征的收入表
    • US07342507B2
    • 2008-03-11
    • US11208926
    • 2005-08-22
    • Rene T. JonkerPiotr B. PrzydatekColin N. GunnMichael E. TeachmanConstantine A. Antoniou
    • Rene T. JonkerPiotr B. PrzydatekColin N. GunnMichael E. TeachmanConstantine A. Antoniou
    • G08B23/00
    • G01R21/133
    • Power quality detection, monitoring, reporting, recording and communication in a revenue accuracy electrical power meter is disclosed. Transient events are detected by monitoring the wave shape of the electrical power and comparing deviations to a known threshold. Sags and Swells are detected by computing root mean square value over a rolling window and comparing the computed value with a known threshold. Harmonic frequencies and symmetrical components are quantified by a known algorithm and compared with a known threshold. Incoming waveforms are stored to memory. All recorded and computed data is moved to non-volatile storage via direct memory access transfer in the event that a power quality event jeopardizes the operating power of the meter. Further, the meter provides a power supply utilizing high and low capacitive storage banks to supply sufficient energy to survive short duration power quality events which jeopardize the meter's operating power.
    • 公开了电力质量检测,监控,报告,记录和通信在收入精确度电表中。 通过监测电功率的波形并将偏差与已知阈值进行比较来检测瞬态事件。 通过在滚动窗口上计算均方根值并将计算的值与已知阈值进行比较来检测下垂和骤升。 谐波频率和对称分量由已知算法量化,并与已知阈值进行比较。 输入波形存储到存储器中。 在电力质量事件危及仪表的工作功率的情况下,所有记录和计算的数据都通过直接存储器访问传输移动到非易失性存储器。 此外,该仪表提供利用高和低电容性存储库的电源,以提供足够的能量以在短时间内的电能质量事件中存活,从而危及电表的工作功率。
    • 4. 发明授权
    • Revenue meter with power quality features
    • 电力质量特征的收入表
    • US06792364B2
    • 2004-09-14
    • US10233962
    • 2002-09-03
    • Rene T. JonkerPiotr B. PrzydatekColin N. GunnMichael E. TeachmanConstantine A. Antoniou
    • Rene T. JonkerPiotr B. PrzydatekColin N. GunnMichael E. TeachmanConstantine A. Antoniou
    • G01R1925
    • G01R21/133
    • Power quality detection, monitoring, reporting, recording and communication in a revenue accuracy electrical power meter is disclosed. Transient events are detected by monitoring the wave shape of the electrical power and comparing deviations to a known threshold. Sags and Swells are detected by computing root mean square value over a rolling window and comparing the computed value with a known threshold. Harmonic frequencies and symmetrical components are quantified by a known algorithm and compared with a known threshold. Incoming waveforms are stored to memory. All recorded and computed data is moved to non-volatile storage via direct memory access transfer in the event that a power quality event jeopardizes the operating power of the meter. Further, the meter provides a power supply utilizing high and low capacitive storage banks to supply sufficient energy to survive short duration power quality events which jeopardize the meter's operating power.
    • 公开了电力质量检测,监控,报告,记录和通信在收入精确度电表中。 通过监测电功率的波形并将偏差与已知阈值进行比较来检测瞬态事件。 通过在滚动窗口上计算均方根值并将计算的值与已知阈值进行比较来检测下垂和骤升。 谐波频率和对称分量由已知算法量化,并与已知阈值进行比较。 输入波形存储到存储器中。 在电力质量事件危及仪表的工作功率的情况下,所有记录和计算的数据都通过直接存储器访问传输移动到非易失性存储器。 此外,该仪表提供利用高和低电容性存储库的电源,以提供足够的能量以在短时间内的电能质量事件中存活,这损害了仪表的工作功率。
    • 5. 发明授权
    • A-base revenue meter with power quality features
    • 具有电源质量特性的A基本收入表
    • US06493644B1
    • 2002-12-10
    • US09371883
    • 1999-08-09
    • Rene T. JonkerPiotr B. PrzydatekColin N. GunnMichael E. TeachmanConstantine A. Antoniou
    • Rene T. JonkerPiotr B. PrzydatekColin N. GunnMichael E. TeachmanConstantine A. Antoniou
    • G01R2106
    • G01R21/133
    • Power quality detection, monitoring, reporting, recording and communication in a revenue accuracy electrical power meter is disclosed. Transient events are detected by monitoring the wave shape of the electrical power and comparing deviations to a known threshold. Sags and Swells are detected by computing root mean square value over a rolling window and comparing the computed value with a known threshold. Harmonic frequencies and symmetrical components are quantified by a known algorithm and compared with a known threshold. Incoming waveforms are stored to memory. All recorded and computed data is moved to non-volatile storage via direct memory access transfer in the event that a power quality event jeopardizes the operating power of the meter. Further, the meter provides a power supply utilizing high and low capacitive storage banks to supply sufficient energy to survive short duration power quality events which jeopardize the meter's operating power.
    • 公开了电力质量检测,监控,报告,记录和通信在收入精确度电表中。 通过监测电功率的波形并将偏差与已知阈值进行比较来检测瞬态事件。 通过在滚动窗口上计算均方根值并将计算的值与已知阈值进行比较来检测下垂和骤升。 谐波频率和对称分量由已知算法量化,并与已知阈值进行比较。 输入波形存储到存储器中。 在电力质量事件危及仪表的工作功率的情况下,所有记录和计算的数据都通过直接存储器访问传输移动到非易失性存储器。 此外,该仪表提供利用高和低电容性存储库的电源,以提供足够的能量以在短时间内的电能质量事件中存活,从而危及电表的工作功率。
    • 6. 发明授权
    • Method and apparatus for automatically controlled gain switching of monitors
    • 显示器自动控制增益切换的方法和装置
    • US06397155B1
    • 2002-05-28
    • US09369870
    • 1999-08-09
    • Piotr B. PrzydatekRene T. Jonker
    • Piotr B. PrzydatekRene T. Jonker
    • G01R2100
    • G01R22/00G01R21/133
    • A method and apparatus for automatically controlling gain switching of a monitor. To automatically control gain switching, an electronic circuit splits an input channel into a plurality of gain channels. The plurality of gain channels are simultaneously sampled. Thereafter, the processor accesses a present buffer of a first gain channel. The present buffer contains a predetermined amount of samples which represent the input channel. Next, the processor determines whether at least one of the samples contained in the present buffer is saturated. If at least one of the samples is saturated, the processor selects an alternate gain channel. Otherwise, if none of the samples is saturated, the processor determines whether a previous buffer of the first gain channel is saturated. If none of the samples from the previous buffer are saturated, the DSP selects the first gain channel. Otherwise, the DSP selects the alternate gain channel. Thereafter, the samples are processed from more than one of the plurality of gain channels to calculate power parameters.
    • 一种用于自动控制监视器增益切换的方法和装置。 为了自动控制增益切换,电子电路将输入通道分成多个增益通道。 多个增益通道同时采样。 此后,处理器访问第一增益通道的当前缓冲器。 本缓冲器包含表示输入通道的预定量的采样。 接下来,处理器确定包含在当前缓冲器中的至少一个样本是否饱和。 如果至少一个采样饱和,则处理器选择一个备用增益通道。 否则,如果没有样本饱和,则处理器确定第一增益通道的先前缓冲器是否饱和。 如果前一个缓冲器的采样都不饱和,则DSP选择第一个增益通道。 否则,DSP选择备用增益通道。 此后,从多个增益通道中的多于一个处理样本以计算功率参数。