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    • 8. 发明申请
    • SYSTEMS AND METHODS TO DETECT GENERATOR COLLECTOR FLASHOVER
    • 用于检测发电机收集器闪存的系统和方法
    • US20130293383A1
    • 2013-11-07
    • US13463238
    • 2012-05-03
    • Meena Ganesh
    • Meena Ganesh
    • G08B21/00
    • G01R31/343G01R31/021G01R31/04
    • Systems and methods for generating a collector flashover alert by passive monitoring of a generator are provided. One method includes receiving, by a computing device, signals from a current transformer coupled around an exciter cable connected to a generator collector assembly, determining, by the computing device, when a spark has occurred in the generator collector assembly based at least in part on received signals from the current transformer, generating an indication that a spark has occurred in the generator collector assembly when it is determined that a spark has occurred in the generator collector assembly, and generating a flashover alert based at least in part on the generated indication that a spark has occurred in the generator collector assembly.
    • 提供了通过被动监视发电机产生收集器闪络警报的系统和方法。 一种方法包括由计算设备接收来自耦合在连接到发电机收集器组件的激励器电缆周围的电流互感器的信号,由计算设备确定至少部分地基于发电机收集器组件发生火花 当确定在发电机收集器组件中发生了火花时,产生指示发生在发电机收集器组件中发生火花的指示,以及至少部分地基于所产生的指示产生闪络警报 在发电机收集器组件中发生火花。
    • 9. 发明申请
    • ELECTRICAL SUBSTATION FAULT MONITORING AND DIAGNOSTICS
    • 电气基站故障监测与诊断
    • US20120327745A1
    • 2012-12-27
    • US13169220
    • 2011-06-27
    • Tarik YardibiMeena GaneshTimothy Lee Johnson
    • Tarik YardibiMeena GaneshTimothy Lee Johnson
    • G01S3/80
    • G01S3/80G01R31/1209G01S5/18
    • A fault monitoring system for an electrical substation includes one or more arrays of acoustic sensors placed around a substation boundary and configured to measure acoustic pressure waves. A processing circuitry in the fault monitoring system localizes and identifies faults in the substation and includes a sound source localization module to identify an area of a sound source based on the acoustic pressure waves. A beamforming module of processing circuitry provides enhanced acoustic pressure waves by eliminating background noise and interfering noise from the acoustic pressure waves and a component signature classification module in the processing circuitry compares enhanced acoustic pressure waves with component signatures to classify the acoustic pressure waves into various events to detect faults in the electrical substation.
    • 用于变电站的故障监测系统包括放置在变电站边界周围并被配置成测量声压波的一个或多个声学传感器阵列。 故障监测系统中的处理电路定位并识别变电站中的故障,并且包括声源定位模块,用于基于声压波来识别声源的区域。 处理电路的波束形成模块通过消除来自声压波的背景噪声和干扰噪声来提供增强的声压波,并且处理电路中的分量签名分类模块将增强的声压波与分量特征进行比较,以将声压波分类成各种事件 检测变电站的故障。