IRIS局部放电在线监测系统测量原理与技术北京华科同安监控技术有限公司IRIS局部放电在线监测系统测量原理与技术北京华科同安监控技术有限公司目录第一章局部放电基础理论........................................................................................21.1局部放电定义...................................................................................................21.2局部放电和绝缘故障.......................................................................................21.3局部放电产生原因...........................................................................................21.4物理特性...........................................................................................................31.4.1脉冲特性........................................................................................................31.4.2信号传输途径................................................................................................41.4.3局部放电极性................................................................................................4第二章局部放电监测技术..........................................................................................52.1系统构成...........................................................................................................52.2电容传感器.......................................................................................................52.2.1电容传感器工作原理....................................................................................52.2.2电容传感器电参数........................................................................................62.3测量仪HydroTrac、BusTrac..........................................................................72.4定向测量技术...................................................................................................72.5定时测量技术...................................................................................................83.1二维图..............................................................................................................93.2术语...........................................................................