An Investigation of Regular Patterns of the Anode Spot Glow in a High-Current Vacuum Arc by the Method of High-Speed Photography

The evolution of an anode spot is investigated in the course of burning of a high-current vacuum arc. The evolution process is recorded with a high-speed video camera at a rate of 180 thousand frames per second and with a high-speed 4-channel photo camera, which is equipped with a set of interferenc...

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Bibliographic Details
Published in:Russian physics journal 2018-11, Vol.61 (7), p.1324-1328
Main Authors: Schneider, A. V., Popov, S. A., Lavrinovich, V. A., Maral, D. D.
Format: Article
Language:English
Subjects:
Analysis
Anodes
Chromium
Circuit breakers
Condensed Matter Physics
Copper
Electrodes
Evolution
Frames per second
Hadrons
Heavy Ions
High current
High speed photography
Investigations
Ions
Lasers
Magnetism
Mathematical and Computational Physics
Methods
Nuclear Physics
Optical Devices
Optics
Photography
Photonics
Physics
Physics and Astronomy
Plasma Physics
Theoretical
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Summary:The evolution of an anode spot is investigated in the course of burning of a high-current vacuum arc. The evolution process is recorded with a high-speed video camera at a rate of 180 thousand frames per second and with a high-speed 4-channel photo camera, which is equipped with a set of interference filters to register the distribution of Cr I (428 nm), Cu II (625 nm) and Cr I + Cu II (500 nm) in the gap. The arc is ignited between two CuCr-electrodes measuring 20 mm in diameter in a vacuum arc chute imitating the operation of a vacuum circuit breaker by switch opening at a constant rate.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-018-1537-9