高压开关柜局部放电特性的检测研究

Research on Detection of Partial Discharge Characteristics of High Voltage Switchgear

随着电力系统的规模不断扩大,对电气设备运行稳定性要求也随之提高。高压开关柜作为重要的电力系统设备,其内部部件的局部放电特性检测是保障高压开关柜安全稳定运行的关键。为此,首先阐述了开关柜的内部结构及局部放电的机理;随后结合高压开关柜避雷器局部放电的情况,采用多种检测方法对其幅值、特性、定位等进行了检测分析。

With the continuous expansion of the scale of the power system,the requirements for the operation stability of electrical equipment have also increased.High-voltage switchgear is an important power system equipment,and the detection of the partial discharge characteristics of its internal equipment is the key issue to ensure high-voltage switchgear.To this end,the internal structure of the switchgear and the mechanism of partial discharge are first elaborated;then the amplitude,characteristics,positioning of the high-voltage switchgear arrester are analyzed using various detection methods.