Vijay K. Sood University of Ontario Institute of Technology, Oshawa, ON, Canada
High-voltage direct current (HVDC) is a mature technology and a large user of power electronics technology. from its humble beginning with mercury-arc valves in 1954 with an undersea inter-connection to the island of Gotland, it has now become a major technology transporting bulk power over long distances and inter-connecting asynchronous AC systems. This chapter presents the theoretical background of the original line-commutated convertors to the voltage source converters implemented with the latest transistor technology.
HVDC transmission; Line-commutated converters; Voltage-source converters; DC transmission line
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