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    • 8. 发明申请
    • ARC DETECTOR
    • ARC检测器
    • US20080288189A1
    • 2008-11-20
    • US11747970
    • 2007-05-14
    • Ravinuthala Ramakrishna RaoUmakant Damodar RapolThangavelu AsokanSatyanarayana Murthy Ungarala
    • Ravinuthala Ramakrishna RaoUmakant Damodar RapolThangavelu AsokanSatyanarayana Murthy Ungarala
    • G01R31/08G01R31/02
    • H02H1/0015G01R31/1227
    • A system and method for identifying an arcing event in electrical distribution equipment. The system includes memory for storing an arcing radio frequency characteristic indicative of an arcing event generated in electrical distribution equipment and a noise radio frequency characteristic indicative of background electrical noise and a sensor for detecting radio frequency signals resulting from the arcing event and propagating wirelessly from the electrical distribution equipment. The system also includes a processor for processing the radio frequency signals detected by the sensor to extract radio frequency characteristics from the detected signals and including a comparator for comparing the extracted frequency characteristics to the arcing radio frequency characteristic and the noise radio frequency characteristic stored in memory to identify occurrence of an arcing event. The system also includes an arc alarm generator for generating an arc fault signal indicative of the occurrence of the arcing event.
    • 用于识别配电设备中的电弧事件的系统和方法。 该系统包括存储器,用于存储指示在配电设备中产生的电弧事件的电弧射频特性和指示背景电噪声的噪声射频特性,以及用于检测由电弧事件产生的射频信号并从无线传播的传感器 配电设备。 该系统还包括处理器,用于处理由传感器检测的射频信号,以从检测到的信号中提取射频特性,并包括比较器,用于将所提取的频率特性与存储在存储器中的电弧射频特性和噪声射频特性进行比较 以识别电弧事件的发生。 该系统还包括用于产生指示电弧事件发生的电弧故障信号的电弧报警发生器。