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Proceedings Paper

In situ surface charge distribution measurement of alumina insulator surfaces after impulse voltage application in vacuum
Author(s): Mr. Tumiran; Shinichi Kobayashi; Hiroshi Imada; Mitsuaki Maeyama; Takahide Ishii; Yoshio Saito; Noriaki Sato; Noriyuki Kawada
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Paper Abstract

This paper investigates the surface charge distribution of an alumina insulator surface after flashover tests by impulse voltage applications. The measurement of surface charge distribution and the voltage testing were both done in vacuum (in situ). The vacuum chamber for the voltage flashover testing experiments was maintained at the pressure of 1.3 X 10-8 Pa. Impulse voltage was applied with positive and negative polarity. The surface charge was measured for both positive (flashover and unflashover) and negative (flashover and unflashover) polarity. Applying the positive impulse polarity produces a positive charge on the alumina surface, when the impulse polarity is reversed both the positive and negative charges were detected in case of flashover, and only negative charge was detected in case of unflashover.

Paper Details

Date Published: 1 May 1994
PDF: 4 pages
Proc. SPIE 2259, XVI International Symposium on Discharges and Electrical Insulation in Vacuum, (1 May 1994); doi: 10.1117/12.174609
Show Author Affiliations
Mr. Tumiran, Saitama Univ. (Japan)
Shinichi Kobayashi, Saitama Univ. (Japan)
Hiroshi Imada, Saitama Univ. (Japan)
Mitsuaki Maeyama, Saitama Univ. (Japan)
Takahide Ishii, Saitama Univ. (Japan)
Yoshio Saito, National Lab. for High Energy Physics (Japan)
Noriaki Sato, Saitama Univ. (Japan)
Noriyuki Kawada, Mitsubishi Heavy Industries, Ltd (Japan)

Published in SPIE Proceedings Vol. 2259:
XVI International Symposium on Discharges and Electrical Insulation in Vacuum
Gennady A. Mesyats, Editor(s)

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