高压开关柜局部放电声电联合定位检测技术

Combined Acoustic and Electrical Location Detection Technology of Partial Discharge in High Voltage Switchgear

伴随人们生活水平的不断改善,人类生产生活所需的用电负荷不断攀升,电力事业发展对电力设备提出了更为严苛的要求。当前我国电力系统中高压开关柜内的电气设备时常出现因为电以及热等因素造成的绝缘缺陷而局部放电的现象。通过应用高压开关柜局部放电带电检测技术,可以对电缆绝缘制造过程中气泡渗入,进行运营状态实时监测,控制局部放电可以有效地避免电缆绝缘放电等风险,意义十分重大。高压开关柜局部放电带电检测的优势是依据局部放电的基本原理,分析声、光、电磁等形式的物理和化学现象,从而进行局部放电检测。

With the continuous improvement of people’s living standards,the power load required by human production and life is rising.The development of power industry puts forward more stringent requirements for power equipment.At present,the phenomenon of partial discharge of electrical equipment in high-voltage switchgear in China’s power system often occurs due to insulation defects caused by electrical and thermal factors.By using the partial discharge live detection technology of high voltage switchgear,the bubble infi ltration in the process of cable insulation manufacturing can be monitored in real time.Controlling partial discharge can effectively avoid cable insulation discharge and power risk,which is of great signifi cance.The advantage of partial discharge live detection of high voltage switchgear is to analyze the physical and chemical phenomena in the form of sound,light and electromagnetism according to the basic principle of partial discharge.