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TVT, 2014, Volume 52, Issue 2, Pages 198–204 (Mi tvt177)  

This article is cited in 3 scientific papers (total in 3 papers)

Plasma Investigations

Switching of the Vacuum-Arc Discharge Direct Current

E. F. Prozorov, K. N. Ulyanov, V. A. Fedorov

Russian Electrotechnical Institute Named after V. I. Lenin

Abstract: Interruption of the direct current of a vacuum-arc discharge (VAD) is analyzed with three methods: the connection of a shunt circuit with a capacitor to the discharge chamber, the overlaying of a pulse nonhomogeneous axisymmetric magnetic field upon the discharge, and the combined action of the magnetic field and the shunt circuit. The probability of interruption of the current $I=500$ A as a function of the magnetic field induction is obtained for various shunt capacitances within the range $25\le C\le2500$ microfarad ($\mu\mathrm{F}$). It is shown that the probability of interruption for a given magnetic field induction increases as the capacitance is raised and for the given capacitance it increases as the induction is increased. The magnitude of the magnetic system current $I_m$ to ensure the current interruption with the probability $P=1$ is obtained as a function of the shunt capacitance. The impact of the shunt circuit parameters upon the arc current is analyzed. The time-domain plot of the arc current for the shunt capacitor $C=2500$ $\mu\mathrm{F}$ was estimated. Its results agree with the experiment. It is shown that the combined use of the magnetic field and the capacitive shunt circuit is an effective method of VAD direct current interruption.

DOI: https://doi.org/10.7868/S0040364414010189

Full text: PDF file (222 kB)
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English version:
High Temperature, 2014, 52:2, 179–184

Bibliographic databases:

UDC: 537.525.5
Received: 11.06.2013

Citation: E. F. Prozorov, K. N. Ulyanov, V. A. Fedorov, “Switching of the Vacuum-Arc Discharge Direct Current”, TVT, 52:2 (2014), 198–204; High Temperature, 52:2 (2014), 179–184

Citation in format AMSBIB
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\paper Switching of the Vacuum-Arc Discharge Direct Current
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\issue 2
\pages 198--204
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\crossref{https://doi.org/10.7868/S0040364414010189}
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    Citing articles on Google Scholar: Russian citations, English citations
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    This publication is cited in the following articles:
    1. M. Liao, J. Huang, G. Ge, X. Duan, Zh. Huang, J. Zou, “Vacuum arc commutation characteristics of the DC microgrid hybrid circuit breakers”, IEEE Trans. Plasma Sci., 45:8, 2, SI (2017), 2172–2178  crossref  isi  scopus
    2. M. Liao, G. Ge, X. Duan, Zh. Huang, “A novel post-arc current measuring equipment based on vacuum arc commutation and arc blow”, Meas. Sci. Technol., 28:7 (2017), 075901  crossref  isi  scopus
    3. M. Liao, G. Ge, X. Duan, Zh. Huang, J. Huang, J. Zou, “Investigation on the vacuum arc commutating characteristic with application to postarc current measure”, IEEE Trans. Plasma Sci., 45:2 (2017), 252–258  crossref  isi  scopus
  • Teplofizika vysokikh temperatur Teplofizika vysokikh temperatur
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