An economical and reliable DC circuit breaker for DC voltage > 3.5kV is not commercially available today. The lack of such a breaker has been inhibiting the development of DC power distribution in factories (especially processing plants with many variable speed motors); for microgrids (including on ships, oil platforms, and wind farms), and for multiterminal HVDC power transmission, as in the supergrid.
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Wednesday, September 19, 2012
Meeting with China EPRI
C-EPRI is the research arm of China State Grid, focused on HVDC equipment. They are interested in using Ballistic Breakers for multi-terminal HVDC.
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