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Direct current transmission and distribution system and method of operating the same

United States Patent

9,306,391
April 5, 2016
View the Complete Patent at the US Patent & Trademark Office
A direct current (DC) transmission and distribution (T&D) system includes a plurality of DC-to-DC converter devices defining a plurality of isolatable portions of the DC T&D system. The DC T&D system also includes a DC T&D control system coupled to the DC-to-DC converter devices. The DC T&D control system includes a plurality of current sensors. At least one of the current sensors is positioned at one of the DC-to-DC converter devices. The current sensor is configured to transmit signals representative of a value of DC electric current transmission through the DC-to-DC converter device. The DC T&D control system also includes a plurality of processors. At least one processor is coupled to the current sensor and the DC-to-DC converter device. The processor is configured to regulate DC current transmission through the DC-to-DC converter device as a function of the value of DC current transmission through the DC-to-DC converter device.
Chaudhuri; Nilanjan Ray (Niskayuna, NY), Gupta; Ranjan Kumar (Schenectady, NY), Datta; Rajib (Niskayuna, NY), Raju; Ravisekhar Nadimpalli (Niskayuna, NY)
General Electric Company (Niskayuna, NY)
13/ 842,844
20140265583
March 15, 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.