摘要
放电故障定位系统采用超声检测方法,测试GIS设备交流耐压试验下内部绝缘击穿故障点的放电信号。系统结构紧凑,携带检测方便,各部件之间采用无线通信,免去电源接线的麻烦;工作效率高,同时具有较高的灵敏度和信噪比,可对现场GIS设备交流耐压试验下的绝缘击穿故障点进行有效定位。相比传统的采用多次进行加压的排除法,能快速查找出故障点,为处理故障赢得了时间,同时也避免了对GIS设备进行多次耐压试验。耐压试验本身就属于破坏性试验,既提高了工作效率,也保护了GIS设备。本文通过分析放电故障定位系统的原理,具体举例说明在现场实际耐压试验中的应用,可为对GIS设备进行交流耐压试验中应用此类型放电故障定位系统提供依据。
Wireless communication is used between the components to avoid the trouble of power wiring, high efficiency, and high sensitivity and signal-to-noise ratio. It can effectively locate the insulation breakdown fault points under AC withstand voltage test of field GIS equipment. Compared with the traditional method of removing pressure for many times, it can quickly find out the fault points and gain time for dealing with the fault. At the same time, it avoids many times of pressure test for GIS equipment. The pressure test belongs to destructive test originally. It not only improves the work efficiency, but also protects the GIS equipment. This paper analyses the principle of the discharge fault location system, and gives examples of its application in the field voltage withstand test. It can be used in the AC voltage withstand test of GIS equipment in the future.
出处
《电力系统装备》
2019年第5期143-144,共2页
Electric Power System Equipment
关键词
耐压试验
放电
故障定位
快速查找
工作效率
应用
withstand voltage test
discharge
fault location
fast search
work efficiency
application
