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High voltage DC power conversion system and method of operating the same

United States Patent

9,407,157
August 2, 2016
View the Complete Patent at the US Patent & Trademark Office
A fraction rated conversion system for coupling a plurality of high voltage direct current (HVDC) power strings in parallel to an HVDC transmission system includes at least one fraction rated power converter coupled to the plurality of HVDC power strings and at least one capacitive device coupled to the at least one fraction rated power converter. The at least one fraction rated power converter and the at least one capacitive device regulate a differential voltage across each HVDC power string of the plurality of HVDC power strings to be substantially similar to each other.
Gupta; Ranjan Kumar (Schenectady, NY), Zhou; Rui (Niskayuna, NY)
General Electric Company (Niskayuna, NY)
14/ 026,737
20150078046
September 13, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT This invention was made with Government support under contract number DE-AR0000224 awarded by the Advanced Research Projects Agency-Energy (ARPA-E). The Government may have certain rights in this invention.