Search Results - "2020 29th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV)"

Electrode processes in AMF-contact systems of medium voltage vacuum interrupters when switching the limiting current. A Review by Shkol'nik, S.M.

“…The article provides a brief overview of the past results of the physical investigations of the processes determining the limiting interrupted current of AC…”
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My Journey into Emptiness: HF Phenomena in Vacuum Arcs and their Impact on Current Interruption by Paul Smeets, Rene Peter

“…This paper is giving an overview of personal experience in research, development and testing of many types of vacuum switching devices. The common denominator…”
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21st Century Planar Field Emission Theory and its Role in Vacuum Breakdown Science by Forbes, Richard G.

“…For explaining electrical breakdown, field electron emission (FE) is a mechanism of interest. In the period 2006 to 2010 there were significant developments in…”
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The Influence of Transient Interrupting Voltage on the Residual Plasma Dissipation in a 10kV Mechanical DC Vacuum Circuit Breaker by Mo, Yongpeng, Bao, Leilei, Jia, Shenli, Shi, Zongqian, Qin, Yifan, Cai, Wei

“…The direct current (DC) transmission systems have been developed rapidly in recent years. The vacuum circuit breaker has become a core component of the…”
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Ceramic coatings for arc prevention between plasma facing components by Cordaro, L., Cavazzana, R., Zuin, M., Berton, G., Pavei, M., Spolaore, M., Peruzzo, S.

“…This paper summarizes the results of preliminary insulation tests performed on copper samples covered with a Al 2 O 3 (aluminum oxide, commonly called alumina)…”
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Position of erosion marks on the surface of single-crystal and coarse-grained cathodes after a short-pulse vacuum spark by Nefedtsev, E. V., Onischenko, S. A.

“…The objects of experimental research were vacuum gaps (VGs) with electrochemically polished copper cathodes. Microscopic pre-breakdown changes on the surface…”
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RF induced discharges in vacuum in the SPIDER experiment by Dan, M., Zamengo, A., Agostini, M.

“…RF discharges outside the ion source are one of the main issues encountered during SPIDER experimentation limiting the pressure range of operation. Such…”
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Study of electron emission characteristics based on fractal micro-protrusions on electrode surface by Zhang, Yingyao, Wang, Haoyu, Dai, Decun, Yu, Hao, Jin, Lijun, Lang, Chenglian

“…It is widely known that electron emission is one of key initiation factors of vacuum breakdown. The electron emission can be influenced by many factors, such…”
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2D Kinetic Simulation of Current-Carrying Plasma Expansion by Shmelev, Dmitry L., Uimanov, Igor V., Barengolts, Sergei A., Tsvetoukh, Mikhail M.

“…A two-dimensional kinetic simulation of the expansion of the current-carrying plasma of the cathode spot of a vacuum arc is carried out. The modeling was…”
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Research on Self-shrinking Critical Current of New Liquid Metal Current Limiter by Li, Jinjin, Huang, Zhihui, Duan, Xiongying, Xie, Weiying, Xu, Duo, Liao, Minfu

“…In order to develop Liquid metal current limiter (LMCL) into the field of high voltage and fast current limiting, suppress arcing, and reduce the erosion of…”
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High speed Observation of vacuum arcs between different contact diameter at TMF contact pair by Gentsch, D., Gorlt, K.

“…Vacuum interrupter, especially with high short-circuit current interruption ability, are mostly equipped with the same diameter at the applied contact pair…”
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Preparation of the vacuum insulation tests on the MITICA 1 MV electrostatic Accelerator by Chitarin, G., Kojima, A., Luchetta, A., Marcuzzi, D., Zaccaria, P., Zanotto, L., Toigo, V., Aprile, D, Marconato, N., Patton, T., Pilan, N., Berton, G., Breda, M., Dan, M., Fincato, M., Rigoni-Garola, A., Valente, M., Battistella, M., Boldrin, M., Grando, L., Pomaro, N., De Lorenzi, A., Tobari, H., Umeda, N., Watanabe, K., Kashiwagi, M.

“…The voltage holding capability of the MITICA Beam Source at 1 MV is a very challenging issue, which could not be fully addressed so far on the basis of…”
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Experimental investigation of vacuum arc characteristics of four kinds of AMF Contacts by Wang, Lijun, Wang, Kai, Yan, Chao, Shi, Weixin, Jia, Shenli

“…Axial magnetic field (AMF) contacts are widely used in vacuum interrupters. In this paper, the magnetic field distribution of 1/2 coil-type contact, 2/3…”
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Properties of Droplets Emitted from Vacuum Arc Cathodes Made of Copper, Tungsten and Titanium by Siemroth, P., Pursch, H., Laux, M., Sachtleben, J., Balden, M., Rohde, V., Neu, R.

“…Molten droplets emitted from the cathode of vacuum arcs have been investigated by using a time-of-flight setup along a vertical flight tube equipped with two…”
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Short-pulse breakdown of near-cathode sheath in the presence of a local magnetic field by Yakovlev, E. V., Petrov, V. I., Onischenko, S. A., Nefedtsev, E. V.

“…The effect of a locally periodic magnetic field on the distribution of explosive emission erosion over the surface of a flat cathode as a result of the…”
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Characterization of X-ray Events for a Vacuum High Voltage Holding Experiment by Spagnolo, S., Pilan, N., Lorenzi, A. De, Fontana, C.L., McCormack, O., Muraro, A., Croci, G., Gobbo, G., Gorini, G., Grosso, G., Fincato, M., Lotto, L., Martines, E., Pino, F., Rigamonti, D., Rossetto, F., Spada, E., Tardocchi, M., Zuin, M.

“…The High Voltage Padova Test Facility (HVPTF) is an experimental device for investigating HV insulation in vacuum, in support of the realization of MITICA, the…”
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Two-Dimensional Spectroscopy for Vacuum Arc in Steady State and Decaying State under Free-Recovery Condition by Hatanaka, Yuto, Miyazaki, Takamitsu, Nakano, Yusuke, Tanaka, Yasunori, Uesugi, Yoshihiko, Ishijima, Tatsuo, Asanuma, Gaku, Onchi, Toshiyuki

“…In this paper, a fundamental experimental system was constructed for observation of vacuum arcs in steady states and transient states. A vacuum arc discharge…”
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Progress in Vacuum Flashover Mechanism: Validity of ETPR Theory by Yin, Kai

“…In this paper, the literature on vacuum flashover and mechanisms are reviewed, and the development of the Electron triggered polarization relaxation (ETPR)…”
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Investigation of Vacuum Breakdown in Pulsed DC Systems by Kaufmann, Helena T. C., Profatilova, Iaroslava, Popov, Inna, Wuensch, Walter, Benilov, Mikhail S.

“…Vacuum breakdown in the pulsed DC experiment at CERN was investigated by means of electrical measurements, SEM and STEM imaging of the surface and cross…”
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A Method to Analyze Particle Induced Vacuum Breakdown with Obvious Field Emission Current by Li, Shimin, Yamano, Yasushi, Geng, Yingsan, Liu, Zhiyuan, Wang, Jianhua, Zhang, Chaohai

“…To reveal vacuum breakdown mechanism is important for insulation enhancement between vacuum gap. In this paper, two already conditioned plane anodes, pure…”
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