气体绝缘开关设备中局部放电的在线监测技术

本文评述了气体绝缘开关设备（ＧＩＳ）中局部放电的各种在线监测技术的原理特点、适用范围、灵敏度及结果评价等，认为超高频法具有抗干扰能力强、能识别缺陷类型、能对局放源准确定位等优点在ＧＩＳ局部放电在线监测技术中具有很好的应用前景。

On-line partial discharge monitoring techniques for gas insulated substations

The principle, applicability, sensitivity and result evaluations of various kinds of techniques for on|line partial discharge monitoring are reviewed. The analysis shows that UHF method is the most promising one for long|term on|line monitoring in GIS owing to its advantages such as high interference immunity,defect discrimination and accurate location of the partial discharge source.