書誌事項
- タイトル別名
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- Changes of Cu Electrode Surface Conditions and Prebreakdown Current Characteristics caused by Repetitive Breakdowns in Vacuum
- シンクウ チュウ クリカエシ ゼツエン ハカイ ニ ヨル ムサンソ ドウ デンキョク ノ ヒョウメン ジョウタイ オヨビ ゼツエン ハカイ ゼンク デンリュウ トクセイ ノ ヘンカ
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説明
To clarify factors influencing the conditioning effect brought by repetitive breakdowns of a vacuum gap, changes of electrode surface conditions before and after 500 breakdowns caused by impulse voltage application has been investigated. Changes of prebreakdown current characteristics has been also investigated. Electrode material used was copper. Electrode surfaces were analyzed by the X-ray photoelectron spectroscopy (XPS). The XPS analysis revealed that electrode surfaces were completely cleaned by repetitive breakdowns. Prebreakdown characteristics were classified into 3 patterns;(1) displacement current alone, (2) field emission current as well as the displacement current, (3) explosive current increase. The patterns (1) and (3) were observed mainly at the early stage of repetitive breakdowns, while the pattern (2) was at the later stage. It has been concluded that the breakdown mechanism alters during conditioning by repetitive breakdowns.
収録刊行物
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- 電気学会論文誌. A
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電気学会論文誌. A 119 (2), 197-202, 1999
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390001204599281152
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- NII論文ID
- 130006839111
- 10004441930
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- NII書誌ID
- AN10136312
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- ISSN
- 13475533
- 03854205
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- NDL書誌ID
- 4645694
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