Results 31 to 40 of about 1,878,574 (270)
Investigation of Impulse Aging of Energy-Absorption Elements for Hybrid DC Circuit Breakers
The state of the energy-absorption branch MOV in the hybrid DC circuit breaker (DCCB) has a very important impact on the short fault breaking operation of the circuit breaker.
Xinyi Wang +6 more
doaj +1 more source
DC faults cause severe disruption in not only the DC system but also the AC system because the fault current is very large and rapidly increases. The DC circuit breaker used to separate the DC faults from the power system is still being researched, but ...
Sang-Jae Choi, Sung-Hun Lim
doaj +1 more source
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
A fast LVDC vacuum hybrid circuit breaker: Dielectric recovery and design consideration
Aiming at the fast protection requirements of electrical ships LVDC distribution system, this paper studies a topology of unidirectional vacuum hybrid circuit breaker.
Siqi Liu +4 more
doaj +1 more source
Fault Interruption Scheme for HVDC System Using SiC-MESFET and VCB Based Hybrid Circuit Breaker
As high voltage DC power system is gaining popularity, power electronic switching devices are becoming increasingly advanced to overcome problems of timely fault isolation.
Waheed A. Khan +6 more
doaj +1 more source
A Review on Hybrid Circuit Breakers for DC Applications
Direct current (dc) power system protection presents a major challenge due to its unique characteristics, namely the absence of natural zero current crossing points. Thanks to their features, dc protection devices allow the safe commutation of the fault current.
Ana Rafaela Figueiredo Bento +2 more
openaire +2 more sources
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
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
The analysis and calculation of the short-circuit fault current in the DC grid is of great significance to the design and configuration of the converter station and DC circuit breaker parameters.
Haipeng Jia +5 more
doaj +1 more source
A Topology of Current limiting Hybrid DC Circuit Breaker
To solve the problem that most of the current hybrid DC circuit breakers do not have the current limiting function and the cost is too high, a low-cost current limiting hybrid DC circuit breaker is proposed.When the fault occurs, the ultra-fast ...
DONG Henan +4 more
doaj +1 more source

