四、变电站运维与检修服务   Substation operation and maint

1、变电站设备检测(局放、气密、微水等

 Substation equipment testing( partial discharge, gas leakage, moisture, etc.)

2、变电站设备的故障检修

Substation equipment maintenance

3、GIS等充气设备漏气时的补漏

GIS and other inflatable equipment leakage repair

4、变电站电力设备状态检测(超声波局放、暂态地电压、SF6气体检测等)

State testing of substation power equipment(ultrasonic partial discharge, transient ground voltage SF6 gas detection etc

5、输配电线路改造，升级优化提升

transmission and distribution line transformation, upgrade and optimization