Comparison of DC breakdown voltage between multiple level test and successive discharge test methods
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Author list: Phontusa S., Chotigo S.
Publisher: Hindawi
Publication year: 2008
Volume number: 2
Start page: 913
End page: 916
Number of pages: 4
ISBN: 1424421012; 9781424421015
ISSN: 0146-9428
eISSN: 1745-4557
Languages: English-Great Britain (EN-GB)
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Abstract
This present work was a comparison of positive DC breakdown voltage obtained by "multiple level test" and "successive discharge test" methods following IEC 60-1 (1989) of a sphere-sphere gap in air. The experiment was done under actual different atmospheric condition, temperature and absolute humidity. The ratio of absolute humidity to the air density correction factor, h/δ, was in the range of 7-13 g/m3. The diameters of the sphere were 12.5 cm and 5 cm. The results found that the breakdown voltages obtained by multiple level and successive discharge methods were very close. The average difference of breakdown voltages from these 2 methods for 12.5 cm and 5 cm sphere was 1.33% and 1.05% respectively. © 2008 IEEE.
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