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ELECTRIC POWER CONVERSION SYSTEM AND METHOD OF OPERATING THE SAME

United States Patent Application

20150070939
A1
View the Complete Application at the US Patent & Trademark Office
An electric power conversion system is coupled to a high voltage direct current (HVDC) transmission system. The electric power conversion system includes a plurality of power conversion modules. At least one of the power conversion modules includes at least one power converter coupled to at least one DC power terminal. The power conversion module also includes at least one isolation device coupled to the at least one power converter. The at least one power converter and the at least one isolation device at least partially define an isolatable portion of the electric power conversion system. The at least one isolation device is configured to remove the isolatable portion from service. The at least one power converter is configured to decrease electric current transmission through the isolatable portion prior to opening the at least one isolation device.
Gupta, Ranjan Kumar (Schenectady, NY), Raju, Ravisekhar Nadimpalli (Clifton Park, NY), Chokhawala, Rahul Shantilal (Niskayuna, NY)
General Electric Company (Schenectady NY)
14/ 020,111
September 6, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT [0001] 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.