Combined ZVS--ZCS topology for high-current direct current hybrid switches: design aspects and first measurements
作者： B. Roodenburg , A. Taffone , E. Gilardi , S.M. Tenconi , B.H. Evenblij
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摘要: Power electronic switches have been considered for load switching ever since their invention. This is because semiconductor enable fast, arc-less, reliable and maintenance- free switching. The main disadvantages in relation to conventional (i.e. circuit breakers), however, are sensitivity transients, high on-state losses the presence of leakage current. advantages both types can be exploited by combining mechanical switch thereby disadvantages, arc formation regular maintenance, also eliminated. For hybrid (HSs), zero voltage (ZVS) current (ZCS) frequently used. A new topology has developed where ZVS ZCS techniques applied switch. 'symbiosis' between these solid-state a eliminates several resulting more direct (DC) HS that requires less mainten- ance. first turn-off measurement (up 5 kA) from prototype 3-kV DC grid presented.
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