摘要
交流特高压GIS设备对气室内局放具有较高的要求,特高频局放在线监测可以对GIS内部情况进行实时监控,但仍存在可靠性差、误报率高等问题。文中阐述了特高压变电站GIS局部放电在线监测技术应用现状和配置情况,对GIS局部放电在线监测系统应用中存在的问题进行了总结,并提出了相应的提升措施。结合某特高压变电站的在线监测应用情况,通过特高压GIS内部局部放电的具体案例,证实GIS局放在线监测系统对于某些GIS设备内部故障具有一定的预见性,在采取提升措施后,结合移动式带电检测技术,可有效发现和跟踪GIS局部放电故障,避免重大设备故障的发生。
PD（partial discharge） of UHV substation GIS is more serious than EHV substation, on-line UHF par- tial discharge monitor can detect inside partial discharge, however, there are still some problems such as poor reliability and high misinformation rate. This paper expounds the application status and configuration situations of partial discharge on-line monitoring technologies for UHV substation GIS, analyses the existing problems, and presents corresponding promotion measures. Combined the application situation of on-line monitoring in UHV Substation, it is proved that GIS partial discharge on-line s ing the improvement measures, with mobile charged be traced and found effectively, and the major UHV ystem has foreseeability of some GIS internal failure. After takdetection technology, the failure of GIS partial discharge can equipment failure can be avoided.
出处
《高压电器》
CAS
CSCD
北大核心
2017年第10期227-232,共6页
High Voltage Apparatus
关键词
特高压
在线监测
提升措施
GIS
局部放电
UHV
on-line monitoring
improvement measures
GIS
partial discharge
