【摘要】 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更多还原

【Abstract】 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.更多还原