On April 17, 2012, the UHV Company of Qinghai Electric Power Company successfully completed the 1200KV/10A UHV non-partial discharge frequency conversion series resonance test required for its 4000-meter high-altitude production operation and maintenance equipment project in Suzhou Huadian temporary outdoor field Factory acceptance test of the system.

The system is the unique integrated conjoined structure of pressure measurement and boost created by Suzhou Huadian, which greatly reduces transportation volume, simplifies installation, shortens test time, and improves efficiency.