DocumentCode
2914537
Title
Development mechanism of impulse surface flashover on alumina dielectrics in vacuum
Author
Ishida, Tsugunari ; Kojima, Hiroki ; Tsuchiya, Kenji ; Okubo, Hitoshi
Author_Institution
Nagoya Univ., Nagoya, Japan
fYear
2010
fDate
Aug. 30 2010-Sept. 3 2010
Firstpage
92
Lastpage
95
Abstract
We investigated the development mechanism of impulse surface flashover on alumina ceramic insulator in vacuum. We measured the still image and framing image of fast developing surface flashover in synchronous with applied impulse voltage and current waveforms. The light emission transition in initiation of surface flashover was clarified. We found the dark area is formed around the cathode and conducting channel is formed from the anode in developing process of surface flashover in vacuum.
Keywords
alumina; ceramic insulators; flashover; vacuum insulation; alumina ceramic insulator; alumina dielectrics; current waveforms; impulse surface flashover mechanism; impulse voltage; light emission transition; Electrodes; Flashover; Insulation; Surface charging; Surface discharges; Surface treatment; Surface waves;
fLanguage
English
Publisher
ieee
Conference_Titel
Discharges and Electrical Insulation in Vacuum (ISDEIV), 2010 24th International Symposium on
Conference_Location
Braunschweig
ISSN
1093-2941
Print_ISBN
978-1-4244-8367-9
Electronic_ISBN
1093-2941
Type
conf
DOI
10.1109/DEIV.2010.5625860
Filename
5625860
Link To Document