Results 1 to 10 of about 196,851 (161)
Research on Vacuum Arc Commutation Characteristics of a Natural-Commutate Hybrid DC Circuit Breaker
Energies, 2020 Vacuum arc commutation is an important process in natural-commutate hybrid direct current (DC) circuit breaker (NHCB) interruption, as the duration of vacuum arc commutation will directly affect the arcing time and interrupting time of NHCB.
Dequan Wang +7 more
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DC Current Interruption Based on Vacuum Arc Impacted by Ultra-Fast Transverse Magnetic Field
Energies, 2020 In this paper, the effect of an external ultrafast transverse magnetic field (UFTMF) on a vacuum arc in the diffused mode has been studied. According to the results of studies, a novel approach for making a zero-crossing in a DC arc current has been ...
Ehsan Hashemi, Kaveh Niayesh
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Model and simulation investigation of the whole process of high-current vacuum arc burning
AIP Advances, 2021 With the development of the power industry and the increase in the capacity of power systems, vacuum switches have been developed rapidly. The distribution characteristics of the vacuum arc can reflect the working conditions of the vacuum switch.
Shuangwei Zhao +5 more
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Generation of a Metal Ion Beam Using a Vacuum Magnetron Discharge
Plasma, 2021 We have designed, fabricated and characterized an ion source based on a vacuum magnetron discharge. The magnetron discharge is initiated by a vacuum arc discharge, the plasma of which flows onto the magnetron sputtering target working surface. The vacuum
Alexey V. Vizir +3 more
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Dynamic Arc Current Distribution of Parallel Vacuum Arcs Subjected to Bipolar Axial Magnetic Field
IEEE Access, 2020 The objective of this paper is to determine dynamic anode and cathode arc current distribution of parallel vacuum arcs subjected to bipolar axial magnetic field. Drawn arc experiments were carried out in a demountable vacuum chamber.
Haomin Li +4 more
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Numerical Simulation of Intermediate-Frequency Vacuum Arc
IEEE Access, 2020 With the development of more/all electric aircraft technology, variable frequency (360-800 Hz) power systems have become an important development focus for future aircraft design.
Ziang Tong, Jianwen Wu, Kui Li
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Restrike characteristics of vacuum circuit breaker in its opening process under DC voltage
IET Science, Measurement & Technology, 2023 The restrike of vacuum circuit breaker during the breaking process causes overvoltage and intensifies the insulation deterioration of high‐voltage equipment. To solve this problem, the vacuum breaker aging test method and the restrike characteristics are
Jixing Sun +8 more
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Plasma, 2022 In-orbit additive manufacturing (AM) is a promising approach for fabrication of large structures. It allows to expand and accelerate human space exploration possibilities. Extrusion-based AM was demonstrated in zero gravity, while the realization of such
Marina Kühn-Kauffeldt +4 more
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AIP Advances, 2020 The objective of this work is to determine the relationship between the vacuum arc transient behaviors and voltage characteristics in low-current DC interruption under a rotating transverse magnetic field (TMF).
Hui Ma +6 more
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IET Generation, Transmission & Distribution, 2022 The objective of this work intends to propose a novel current interruption technology in vacuum for LVDC power systems, based on the instability of vacuum arc under composite transverse magnetic fields (TMFs).
Shaowei Liu +5 more
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