Results 11 to 20 of about 15,247 (308)
Analysis of the Influence of the Breaking Radiation Magnetic Field of a 10 kV Intelligent Circuit Breaker on an Electronic Transformer. [PDF]
Sensors (Basel), 2021 Lu W, Duan J, Cheng L, Lu J, Du X.
europepmc +3 more sources
The applications of anisotropic electrodes in vacuum circuit breakers to increase the switching life [PDF]
E3S Web of Conferences, 2021 The article analyzes the disadvantages of the vacuum circuit breaker, the transients that occur during switching, as well as the processes that lead to a decrease in the contact system resource. The simulation of the vacuum circuit breaker electrodes was
Samofalov Yuri +2 more
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Research on the Difference Mechanism of High Voltage Circuit Breaker’s Opening/Closing Coil Current [PDF]
E3S Web of Conferences, 2021 High voltage circuit breakers are important protection and control equipment for the power grid. The defects and faults of the circuit breaker seriously affect the safety and stability of the power system.
Su Yi, Lu Yufeng, Zhang Lei, Rao Xiajin
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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 +4 more
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Energies, 2020 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
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Design of ± 535 kV hybrid high voltage direct current (HVDC) circuit breaker
IET Generation, Transmission & Distribution, 2022 This paper proposes a ± 535 kV hybrid high voltage direct current (HVDC) circuit breaker. In this paper, the interruption processes of the main branch, transferring branch, and MOV (metal oxide varistors) branch are studied by PSCAD/EMTDC computer ...
Chenyang Liu +4 more
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Fault diagnosis of circuit breaker based on improved dynamic time warping algorithm
Gong-kuang zidonghua, 2016 In order to accurately diagnose the fault of circuit breaker according to its condition monitoring data, a fault diagnosis method of circuit breaker based on improved dynamic time warping algorithm was proposed.
JIANG Zhihao, YU Qun, DONG Li
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Energies, 2022 In this paper, a new design is provided so that the Z-source circuit breaker with a mechanical switch operates quickly at a low-impedance fault. When the fault occurs, the Z-source circuit breaker uses an impedance network to generate forced current zero
Hyeon-Seung Lee +3 more
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Key stress extraction and equivalent test method for hybrid DC circuit breaker
Global Energy Interconnection, 2018 Firstly, relevant stress properties of millisecond level breaking process and microsecond level commutation process of hybrid HVDC circuit breaker are studied in detail on the basis of the analysis for the application environment and topological ...
Chong Gao +4 more
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Energies, 2022 We proposed a superconducting DC circuit breaker that can reliably cut off the fault currents in preparation for the DC system. It consists of a superconducting element and a mechanical DC circuit breaker.
Sang-Yong Park +3 more
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