从带电检测技术在高压开关柜局部放电故障诊断中的重要性入手，阐述了高压开关柜带电检测技术的应用情况和应用方法，对其35 kV高压开关柜内部放电故障的检测、诊断和处理过程进行了深入地分析，并总结出了经验，对高压开关柜局部放电故障的检测分析及处理具有重要的借鉴意义。

Beginning with the importance of live detection technology in partial discharge fault diagnosis of high-voltage switchgear, the current status and methods of live detection technology are presented in this paper. The process of diagnosis and treatment in partial discharge fault of 35 kV high-voltage switchgear is analyzed. The typical experiences are summarized, and the example has strong values and promotion of engineering applications applicable to partial discharge fault diagnosis of high-voltage switchgear.