Results 41 to 50 of about 11,878 (206)
Pakistan Journal of Engineering & Technology, 2022 Although traditional electromechanical circuit breakers have a proven track record as efficient and reliable circuit safety devices. Emerging power distribution technologies and architectures such as DC microgrids require advanced breaking performance ...
Muhammad Zulqair Nain, Tahir Mahmood
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机车电传动, 2022 A hybrid DC circuit breaker is the core protection equipment of a DC system, and its key parameters are critical to the products design and application, so the research on the influencing factors to such key parameters is of great significance to the ...
LUO Wenguang +4 more
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Overview of the arc mechanism and extinguishing in the circuit breaker of a more-electric aircraft
工程科学学报, 2023 A more-electric aircraft refers to an aircraft whose secondary power is unified from the traditional multi-energy, such as mechanical energy, hydraulic energy, and pneumatic energy, to the electrical energy, which has the advantages of a simple system ...
Yuan JIANG +5 more
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An economical hybrid DC circuit breaker with pre-current-limiting capability
Energy Reports, 2023 Multi-terminal flexible high-voltage-direct-current (HVDC) transmission and DC grid technology are developing rapidly, and the hybrid DC circuit breaker (DCCB) is usually used to protect the DC system, which can quickly remove the fault current and make ...
Guanlong Jia +4 more
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Modeling and Simulation of ±10 kV DC Transmission System based on Mechanical DC Circuit Breaker
IOP Conference Series: Materials Science and Engineering, 2020 Abstract In order to simulate the interruption process of mechanical DC circuit breaker in actual DC power grid and obtain various stress characteristics of DC circuit breaker in actual interruption process, it is necessary to establish a stable and effective flexible DC system model with good dynamic performance.
Jiashuo Cui +3 more
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Design and Experimental Tests of a Superconducting Hybrid DC Circuit Breaker [PDF]
, 2018 Direct current (DC) circuit breakers are a key enabling technology for fault management in multiterminal high-voltage DC (HVDC) systems. DC fault isolation is challenging due to the high rate of rise of the fault current and the lack of natural current ...
Barnes, Mike +3 more
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Modular multilevel converter with modified half-bridge submodule and arm filter for dc transmission systems with DC fault blocking capability [PDF]
, 2018 Although a modular multilevel converter (MMC) is universally accepted as a suitable converter topology for the high voltage dc transmission systems, its dc fault ride performance requires substantial improvement in order to be used in critical ...
Abdelsalam, Ibrahim A. +3 more
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Development and prospect of direct‐current circuit breaker in China
High Voltage, 2021 The direct‐current circuit breaker (DCCB) is the most ideal choice for DC fault isolation in DC grids. Despite a late start, China's research and development on the DCCB have made outstanding achievements.
Weijiang Chen +11 more
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Mechanism and suppression of breaking overvoltage of DC circuit breakers
High VoltageAbstract The occurrence of breaking overvoltage in a DC circuit breaker (DCCB) poses a potential threat to the safe operation of a DC grid. Based on the structure of the ±10 kV three‐terminal DC distribution network, this paper sets up the medium‐voltage DCCB and formulates a fault protection strategy. Additionally, a simulation model
Lu Qu +7 more
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Planning long-term maintenance for electric vehicle charging infrastructure using the Reliability Centered Maintenance (RCM) method [PDF]
, 2012 Electric vehicles (EVs) are mainly known for their advantages as emission free, energy efficient and noiseless transport, but electric mobility has never matured in the automotive market and it remains in the shadow of the internal combustion engine (ICE)
LIOCE, LUIGI
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