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Failure Analysis of Metal Oxide Arresters under Harmonic Distortion
Author(s) -
Pitshou N. Bokoro,
I.R. Jandrell
Publication year - 2016
Publication title -
saiee africa research journal
Language(s) - English
Resource type - Journals
ISSN - 1991-1696
DOI - 10.23919/saiee.2016.8532240
Subject(s) - weibull distribution , oxide , materials science , analytical chemistry (journal) , degradation (telecommunications) , fourier series , electrical engineering , metal , electronic engineering , chemistry , mathematics , engineering , statistics , mathematical analysis , chromatography , metallurgy
The probability of accelerated degradation or reduced time to failure of metal oxide arresters (MOA), when continuously exposed to distorted ac conduction, is analysed in this study. Metal oxide-based surge arresters of similar size and electrical characteristics are tested using accelerated degradation at elevated temperature and distorted ac voltage stress. The three-parameter Weibull probabilit...

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