On March 27, the main transformer expansion project of the first UHV project in Henan's power grid during the "15th Five-Year Plan" period, the 1000 k ...
On March 24, in Qin'an County, Gansu Province, the ± 800 kV Gansu-Zhejiang UHV DC transmission project Gansu 3 section was completed, becoming the fir ...