From November 26, 2019 to December 1, 2019, Wuhan Xinshengneng Technology Co., Ltd. formed a 6-person technical team to go to Enshi, Hubei for 500kV substation interval expansion engineering technical services.
The content of this technical service project is 220kV outdoor metal oxide arrester continuous current measurement under continuous operating voltage; 220kV pillar insulator flaw detection test; 220kV voltage transformer withstand voltage test and partial discharge test; 220kV current transformer withstand voltage test and partial discharge test ; 220kV circuit breaker AC withstand voltage test; SF6 gas test sampling, leak detection, dew point test; 220kV interval grounding down conductor and grounding grid conduction test and other tests.