Hitachi ABB commissions ±800 kV Raigarh–Pugalur transmission link in India July 26, 2021 | Asia-Pacific News Hitachi ABB Power Grids has commissioned the ±800 kV ultra-high voltage direct current (UHVDC) Raigarh–Pugalur transmission link, for Power Grid Corporation of India Limited (POWERGRID). This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password