Results 21 to 30 of about 665 (250)
Energies, 2021 In this paper, direct current (DC) fault current limiting and interrupting operation of hybrid DC circuit breaker (DCCB) using double quench, which consists of DCCB, a series resonance circuit, power electronic switch, surge arrestor, two separated ...
Sang-Jae Choi +3 more
doaj +2 more sources
Bidirectional Hybrid DC Circuit Breaker With Zero Voltage and Current Switching for Radar Power System [PDF]
IEEE Open Journal of Industry ApplicationsThis article proposes a novel zero-voltage switching (ZVS) and zero-current switching (ZCS)-based hybrid dc circuit breaker for a radar power system. Long-range radars demand huge power, in the order of hundreds of kW. Radar's phased array antenna
Nandakumar Saminathan +5 more
doaj +3 more sources
A novel current-limiting hybrid DC breaker based on thyristors
Energy Reports, 2023 Since the DC current has no zero-crossing in high-voltage and large-capacity DC scenarios, and the low line impedance results in a large growth rate of fault current, the breaking requirements of DC circuit breakers (DCCB) are further increased.
Xinchao Yu +4 more
doaj +2 more sources
Capacitor Commutation Method for MVDC Hybrid Circuit Breakers
Designs, 2021 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
A Review on Hybrid Circuit Breakers for DC Applications
IEEE Open Journal of the Industrial Electronics Society, 2023 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
Energy Reports, 2020 The flexible DC transmission system needs a DC circuit breaker to remove and isolate the bipolar short-circuit fault to prevent the excessive short-circuit current from damaging the DC transmission system.
Can Ding +3 more
doaj +1 more source
Environmental Compatible Circuit Breaker Technologies [PDF]
, 2021 Recent research and development in the field of high-current circuit breaker technology are devoted to meeting two challenges: the environmental compatibility and new demands on electrical grids caused by the increasing use of renewable energies ...
core +1 more source
A Self-commutated HVDC Circuit Breaker Based on Forced Zero Crossing Technology
Zhongguo dianli, 2021 In order to improve the breaking capacity of Hybrid DC circuit breaker and reduce the harm of DC short circuit fault to the system, we proposed a self-commutated HVDC circuit breaker based on forced zero crossing technology.
Guoqing LI +3 more
doaj +1 more source
Design, modelling, and test of a solid-state main breaker for hybrid DC circuit breaker [PDF]
, 2020 Driven by the requirements of reducing air pollutant gas emissions and fuel consumption, the concepts of more electric ship and electric aircraft are attracting increasing attention.
Jiawen Xi +7 more
core +1 more source
A Modified Hybrid DC Circuit Breaker With Reduced Arc for Low Voltage DC Grids
IEEE Access, 2021 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