China’s largest state-owned transmission company, State Grid Corporation of China (SGCC), has begun operation of the ±800 kV Longdong–Shandong ultra-high voltage direct current (UHVDC) transmission project. The entire project involved the construction of 933.9 km of the UHVDC line starting from the Longdong converter station in Qingyang City, Gansu province, passing through five provinces, including […]
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