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Estimation of partial discharge onset characteristics in gases around a triple junction
Author(s) -
Hara Masanori,
Kurihara Takashi,
Kozuru Susumu,
Suehiro Junya,
Hayashi Noriyuki
Publication year - 2003
Publication title -
electrical engineering in japan
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.136
H-Index - 28
eISSN - 1520-6416
pISSN - 0424-7760
DOI - 10.1002/eej.10175
Subject(s) - partial pressure , partial discharge , triple junction , materials science , insulator (electricity) , helium , saturation (graph theory) , atmospheric pressure , analytical chemistry (journal) , mechanics , atomic physics , electrical engineering , chemistry , composite material , meteorology , physics , optoelectronics , engineering , voltage , mathematics , oxygen , environmental chemistry , organic chemistry , combinatorics
A new method of estimating partial discharge onset conditions in gases around a triple junction is proposed. The effectiveness of the method based on the Paschen curve and the potential distribution along the interface between a solid insulator and gas is confirmed experimentally in air at room temperature. The partial discharge onset conditions in air and SF 6 gas under different pressures at room temperature and in cryogenic nitrogen and helium gases at saturation temperature and atmospheric pressure are estimated. The partial discharge intensity is discussed on the basis of the proposed method. © 2003 Wiley Periodicals, Inc. Electr Eng Jpn, 144(1): 1–11, 2003; Published online in Wiley InterScience ( www.interscience.wiley.com ). DOI 10.1002/eej.10175

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