Results 21 to 30 of about 21,788 (303)
A Modified Hybrid DC Circuit Breaker With Reduced Arc for Low Voltage DC Grids
The increasing demand for the development and utilization of renewable energy resources has lead to a growing interest in the development of LVDC systems.
C. N. Muhammed Ajmal +4 more
doaj +1 more source
The DC vacuum circuit breaker plays an important role in the quench protection system of the Comprehensive Research Facility for Fusion Technology (CRAFT) project.
Xingguang Hu +5 more
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Capacitor Commutation Method for MVDC Hybrid Circuit Breakers
The medium voltage DC (MVDC) type system can connect multiple terminals to a common MVDC bus, so it is possible to connect several renewable DC power sources to the common MVDC bus, but a DC circuit breaker is needed to isolate short circuit accidents ...
Hyosung Kim
doaj +1 more source
Current Limiting Hybrid High Voltage DC Circuit Breaker With Reclosing Function Limiting
DC circuit breaker is the core equipment for the safe operation of DC transmission system. A current limiting hybrid HVDC circuit breaker topology with reclosing function is proposed in this paper.
Baoge Zhang +4 more
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Arcless opening of direct current circuits in technical systems [PDF]
Operation of the proposed DC circuit breaker consists in the fact that the closing of the thyristor in the DC power circuit with an inductive load results from opening the auxiliary circuit with a current value several fold less than the load current ...
Novikov, Sergey Avtonomovich +2 more
core +1 more source
Gate Drive Controller for Low Voltage DC Hybrid Circuit Breaker
With the advent of direct current (DC) loads such as LED lighting, IT equipment, electric vehicles, and DC powers generated from renewable energy sources, low voltage DC (LVDC) distribution system is becoming a hot issue.
Hyosung Kim
doaj +1 more source
In the last years the progressive increase of distributed and non-programmable energy sources arise the interest in the use of DC for medium-voltage distribution systems. The study focuses on the design considerations of the apparatus required to support the management and protection of these applications.
Lars Liljestrand +4 more
openaire +1 more source
Reduced DC circuit breaker requirement on mixed converter HVDC networks [PDF]
© 2015 IEEE.Recently proposed meshed HVDC networks include both converters and DC circuit breakers, and the fault currents experienced and therefore the capacity requirement of circuit breakers are dependent on the topology of converters used on the ...
Chaffey, G, Green, TC
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DC/DC converters based on hybrid MMC for HVDC grid interconnection [PDF]
This paper presents a multi-terminal high-power DC/DC converter configuration based on hybrid MMC topology with fault blocking capability for interconnecting HVDC systems.
Xu, Lie, Yao, Liangzhong, Zeng, Rong
core +1 more source
The paper presents an economic hybrid circuit breaker for limiting and interrupting the faults in DC railways substations. For fast fault current interruption, the hybrid breaker incorporates high speed mechanical contacts actuated by power semiconductor
Saady Hasan
doaj +1 more source

