書誌事項
- タイトル別名
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- Influence of Surface Shape on DC surface Breakdown Characteristics under Metallic-Particle Contaminated Conditions in SF<sub>6</sub> Gas
- SF6ガス中の金属粒子汚損直流沿面フラッシオーバに対する沿面形状の影響
- SF6 ガスチュウ ノ キンゾク リュウシ オソン チョクリュウ エンメン フ
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The influence due to metallic-particle attached on the supporting insulator is remarkable in the decreasing of dielectric strength in SF6 insulated apparatus. In relation with this problem, the authors have conducted a series of studies on improvement method for particle initiated breakdown performance.<br> In this work, DC breakdown voltage characteristics and breakdown mechanism are investigated under metallic-particle contaminated conditions in SF6 gas by varying the particle condition and surface shape of acrylic-plate with a rod-plane electrode. The main results show that a rib increases breakdown voltage by a corona stabilization effect and the elongation of discharge path but a groove decreases drastically its effect at lower gas pressures. The breakdown voltage at higher pressures than 4 atm may be estimated on the basis of discharge maintaining field and discharge length which depend on gas pressure and surface shape.
収録刊行物
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- 電気学会論文誌B(電力・エネルギー部門誌)
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電気学会論文誌B(電力・エネルギー部門誌) 110 (7), 568-575, 1990
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
- 1390001204600923520
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- NII論文ID
- 130006840225
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- NII書誌ID
- AN10136334
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- ISSN
- 13488147
- 03854213
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- NDL書誌ID
- 3678463
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- データソース種別
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- NDL
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