Results 11 to 20 of about 19,897 (263)
Effect of the contact diameter on the vacuum arc plasma parameter in high current vacuum arcs
AIP AdvancesThe reduction of sulfur hexafluoride utilization constitutes a pressing global challenge in the development of eco-sustainable power apparatuses. Developing vacuum circuit breakers for transmission-level applications represents a strategic solution to ...
Zaiqin Zhang +5 more
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Experimental research on arc characteristics for a 40.5-kV vacuum circuit breaker
The Journal of Engineering, 2019 With the proposal and development of the energy internet, the wind power generation techniques, the photovoltaic power generation and the fuel cell, the power generation technology has been further developed and applied on a large scale.
Xiaohan Zhan +4 more
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Modeling of mixing and interaction of multi-cathode spot vacuum arc jets
AIP Advances, 2016 Vacuum arc consists of cathode spot and mixing zone, arc column and anode zone. The separate jets and the mixing zone should be considered in the model of diffuse arc.
Lijun Wang +3 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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Research Progress on the Melting Process of Nickel-based Superalloy
Teshugang, 2023 The melting method of nickel-based superalloy is the decisive factor related to the alloy quality. Vacuum induction melting can effectively control the content of O， N， H and other gases and harmful impurities in alloy ingots， and accurately control the ...
Yang Hao, Wang Fangjun, Li Cai, Wu Wei
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Авіаційно-космічна техніка та технологія, 2017 Briefly reviewed the known methods of reducing the amount of microdroplets in a vacuum arc coatings. It has been shown that they do not allow to completely eliminate the microdroplets of the plasma stream.
Юрий Александрович Сысоев
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Correlation of radius of cathode spot of vacuum arc of metals on the size of generated droplets
Весці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2021 The simple relation to estimate the cathode spot radius of a vacuum arc of pure metals is obtained. On its basis, is established between the cathode spot radius and the size of droplets generated by the cathode spot a correlation.
G. V. Markov +3 more
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Overvoltages during switching operations of vacuum switching devices [PDF]
Zbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2013 This paper presents the results of experimental studies of voltage phenomena in the switching operations of vacuum switching devices made by various manufacturers in several different configurations of 6 kV, 10 kV, 20 kV and 35 kV networks.
Vukelja Petar +3 more
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EnergiesThe insulation performance of vacuum arc interrupters greatly affects the reliability of vacuum circuit breakers. Optimizing the electric field distribution of a vacuum arc interrupter can improve its insulation performance.
Naming Zhang +5 more
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Advances in Materials Science and Engineering, 2022 The challenge of enhancing cutting tool life has been dealt with by many research studies. However, this challenge seems endless with growing technological advancement which brings about incremental improvement in tool life.
Hailu Gemechu Benti +2 more
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