Results 21 to 30 of about 21,713 (306)
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
doaj +1 more source
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
doaj +1 more source
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
Successful fault current interruption on DC circuit breaker [PDF]
This study focus on the interruption capability of the DC circuit breaker employing a current commutation approach and evaluates the two main factors that determine the success rate for breaker current interruption, namely the current slope di/dt before ...
Finney, Stephen J. +3 more
core +1 more source
Superconducting Interface for a DC Circuit Breaker [PDF]
High voltage direct current (HVDC) circuit breakers are a key technology to enable fault management for multi terminal DC (MTDC) networks. DC circuit breakers using superconductors for current limiting have been proposed previously and experimentally tested at low voltage levels.
Pei, Xiaoze, Smith, Sandy, Barnes, Mike
openaire +1 more source
Development and Application of a 10 kV Mechanical DC Circuit Breaker
A DC circuit breaker is piece of core equipment for DC grid construction and can achieve fast isolation of DC faults in the grid. In this paper, based on the fault characteristics and protection requirements of an AC/DC hybrid distribution network, the ...
Lu Qu +5 more
doaj +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
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
core +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

