Commissioning of VSC HVDC systems

Voltage Source Converter (VSC) technology has emerged as a commercially viable alternative to Line Commutated Converter (LCC) technology for certain applications of HVDC power transmission. With the first commercial VSC projects commissioned in the late 1990s, at the time of the development of this Technical Brochure there is over fifteen years of project and operational experience with this technology. VSC has become the preferred, if not the only, choice of technology for specific applications, including low power transfer applications, the connection of weak networks, offshore wind farm connections and d.c. grid developments.

Commissioning occurs during the latter stages of an HVDC project. It allows the HVDC supplier to verify and demonstrate the suitability of the installed…