The NorNed HVDC transmission link - the longest underwater high-voltage cable in the world (pdf, 0,09 MB) Sylmar Replacement Project (pdf, 0.35 MB) Vizag II HVDC Back-to-back Interconnection (pdf, 0.30 MB) The Three Gorges-Guangdong HVDC link (pdf, 0.21 MB) Special Project Collection: "China HVDC transmission" by Power Engineering International and ABB (pdf 486kB) The Three Gorges-Changzhou HVDC Power Project (pdf 290 kB) Rapid City DC Tie (pdf 310 kB) Brazil - Argentina Interconnection I & II (pdf 200 kB) ±500 kV Chandrapur-Padghe HVDC bipole project (pdf 175 kB) SwePol Link HVDC Power Transmission (pdf 280 kB) Leyte-Luzon HVDC Power Transmission(pdf 205 kB) HVDC Cable Transmissions (pdf 1760 kB) Customer Support (pdf 283 kB) Quality Assurance (pdf 570 kB)