Results 21 to 30 of about 2,509 (300)

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 ...

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Composition of high-voltage circuit breaker voiceprint detection dataset. [PDF]

, 2023
Composition of high-voltage circuit breaker voiceprint detection dataset.
Yucheng Zhang (136327), Zhaoxing Ma (17537618), Haihua Zhang (375534), Zhengxi Yuan (14596244), Hao Chen (5190), Chenlei Han (17537615)   +5 more
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Simulation and Protection of Reignition Overvoltage in Wind Farm Considering Microscopic Dielectric Recovery Process of Vacuum Circuit Breaker [PDF]

, 2023
The high amplitude and steep overvoltage generated by the breaking of the vacuum circuit breaker in the wind farm damages the inter-turn insulation of the transformer.
Ziheng Pu, Yaoqiang Wang, Xinyun Yu, Hao Liu, Tian Wu   +4 more
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Real-Time Monitoring of High Voltage Switch Based on CAD

Advances in Multimedia, 2022
In the process of online real-time monitoring of intelligent digital filter high-voltage switchgear, the mechanical state diagnosis of high-voltage circuit breaker is based on fully understanding the mechanical characteristics of each component of ...
Long Di, Yong Xiao, Feng Hu, Yujian Liang, Jianmin Tan, Yimin You   +5 more
doaj   +1 more source

Performance Evaluation and Limitations of Overvoltage Suppression Circuits for Low- and Medium-Voltage DC Solid-State Breakers

IEEE Open Journal of Power Electronics, 2021
This paper presents a design and performance evaluation of three different overvoltage suppression circuits employed in a solid-state circuit breaker for medium- to high-power and low- to medium-voltage DC grids.
Andreas Giannakis, Dimosthenis Peftitsis
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New two chamber transfer switch for 6500 A commutation current

Global Energy Interconnection, 2018
HVDC transfer switches are used in different locations in electrode lines of HVDC transmission systems for their reconfigurations. They have to carry and commutate currents to the overload currents of HVDC transmission systems, which increased to 6,400A ...
Lutz-Rüdiger Jänicke, Jörg Teichmann, Shibani Bose, Weidong Han, Xiaoming Wang   +4 more
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Optical fiber imaging for high speed plasma motion diagnostics: applied to low voltage circuit breakers [PDF]

, 2010
An integrated portable measurement system is described for the study of high speed and high temperature unsteady plasma flows such as those found in the vicinity of high current switching arcs.
Tribulato, G., Cross, K.J., A. Balestrero, J. W. McBride, G. Tribulato, K. J. Cross, L. Ghezzi, McBride, J.W., Balestrero, A., Ghezzi, L.   +9 more
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Controllable reactor based hybrid HVDC breaker [PDF]

, 2020
© 2020 BMJ Publishing Group. All rights reserved. Short circuit fault occurrence in high-voltage DC (HVDC) systems causes extremely high currents in a fast raising time that does not experience current zero-crossing. To protect HVDC systems/grids against
Rouzbehi, K, Heidary, A, Bigdeli, M
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Research on circuit breaker failure protection and the secondary accelerated fault isolation scheme of VSC-HVDC grids

Frontiers in Energy Research, 2023
When the direct current circuit breaker (DCCB) fails to operate, the fault range will further expand, endangering the safe operation of the power gird.
Andi Li, Botong Li, Weijie Wen, Bin Li, Xiaolong Chen   +4 more
doaj   +1 more source

Arc root commutation from moving contacts in low voltage devices [PDF]

, 2000
This paper focus on the arc commutation from a moving contact and in particular on the anode motion of a high current arc in low voltage current limiting circuit breakers.
Weaver, P.M., J.W. McBride, Pechrach, K., K. Pechrach, McBride, J.W., P.M. Weaver   +5 more
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