書誌事項
- タイトル別名
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- Development of Insulation Technology in Compact SF6 Gas-filled Bushings-Development of Compact 800kV SF6 Gas-filled Bushings-
- SF6 ガス ブッシング ノ コガタカ ニ ムケタ ゼツエン ギジュツ カイハツ コガタ 800kV ガス ブッシング ノ カイハツ
- —Development of Compact 800kV SF<sub>6</sub> Gas-filled Bushings—
- —小形800kVガスブッシングの開発—
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As for gas insulated switchgear (GIS), small space requirement and economical efficiency have been demanded. Circuit breakers (CB), disconnecting switches (DS) and earthing switches (ES) have been designed toward compactness. Compact & light bushings have been also required. As for bushings of GIS, there are roughly three types; capacitor, gas-filled and molding bushings. Since gas-filled bushings have the feature which is both of the lightness and the economical efficiency, it is important to develop compact and light gas-filled bushings by improvement of insulation technology. The main subject for compact design is reduction of electric field strength on the outside hollow insulator around the inside grounded electrode tip. We devised a new inner grounded electrode structure which consists of some column electrodes. This paper describes the effect of reduction of maximum value of electric field strength on the outside hollow insulator by a new inner grounded electrode. Then, improvement of insulation performance for electrodes with insulation coating in SF6 gas is described as composite insulation technology. Finally, the efficacy of these insulation technologies is described by fundamental insulation test results of prototype compact 800kV SF6 gas-filled bushing.
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) 128 (3), 586-592, 2008
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
- 1390001204600971904
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- NII論文ID
- 10021130521
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- NII書誌ID
- AN10136334
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- BIBCODE
- 2008IJTPE.128..586R
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- ISSN
- 13488147
- 03854213
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- NDL書誌ID
- 9400896
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可