Direct-current surface breakdown of porcelain insulators in vacuum at elevated temperatures
- 29 July 1971
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 7 (15) , 417-418
- https://doi.org/10.1049/el:19710282
Abstract
Porcelain insulators subjected to long-term d.c. stress at temperatures in the region of 100°C have been found to suffer a deterioration in their surface vacuum breakdown strength. The letter details some preliminary investigations into this ‘electrolytic aging’ effect, and, in particular, the effects of voltage reversal are described.Keywords
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