Results 251 to 260 of about 21,713 (306)

SWITCHING ELECTRIC CIRCUITS WITH DC HYBRID BREAKER

open access: yesSGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings, 2014
openaire   +1 more source

DC vacuum circuit-breaker

2008 23rd International Symposium on Discharges and Electrical Insulation in Vacuum, 2008
The results of switching tests of a DC vacuum circuit-breaker designed for rated voltage 3.3 kV and rated current 3000A are presented. The circuit-breaker is intended for current interruption in the networks with fault currents up to 30 kA. To interrupt the direct current, the authors used a method of artificial current transition through zero in the ...
D. Alferov   +5 more
openaire   +1 more source

T-Type Modular Dc Circuit Breaker (T-Breaker) for Future Dc Networks

2021 IEEE Applied Power Electronics Conference and Exposition (APEC), 2021
This paper introduces the principle, operation and topology family of the novel T-type Modular Dc Circuit Breaker (T-Breaker) system for future dc networks. The T-Breaker system has a modular structure, locally integrated energy storage, high tolerance to control signal mismatch during the fast network transients, and capability to assist power flow ...
Yue Zhang   +4 more
openaire   +1 more source

Hybrid DC circuit breaker based on oscillation circuit

Journal of Power Electronics, 2020
With the rapid development of DC transmission technology, DC circuit breakers, the key equipment for DC fault handling, have become a research hotspot of scholars. This paper proposes a novel hybrid DC circuit breaker topology to improve the shortcomings of traditional hybrid DC circuit breakers.
Yiqi Liu, Tian Xia, Deqing Li
openaire   +1 more source

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