±800 kV Shanghaimiao (Inner Mongolia)-Shandong UHVDC Line, China January 12, 2017 | Asia Pacific Project Update The ±800 kV ultra high voltage direct current (UHVDC) project will run from the Shanghaimiao converter station in Inner Mongolia to the Liyni converter station in Shandong. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password