275kV CV・OFケーブル用Y分岐接続部の開発
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概要
- 論文の詳細を見る
When a new UHV substation is built in an urban region, generally, an existing underground transmission line shall be diverted and drawn into the new substation. Compared with above mentioned construction method, enormous cost reduction of switching facilities and cable construction is expected with applying a Y-Branch Joint (YJ) which is able to be a 3-way joint. The YJ has already been applied for 154kV class circuit, however, it has not been investigated for 275kV class circuit. Since both XLPE and Fluid-Filled cable are presently used in 275kV class underground cable line, an universal design YJ for both cables have been investigated. The YJ was applied a compact design which was based on our sophisticated electrical stress control technology for 500kV prefabricated type joint. Furthermore, the design was based on its prefabricated assembling technology. The YJ was verified its electrical and mechanical performance as 275kV cable joint by completion of its assembling test and a long term electrical test.
- 社団法人 電気学会の論文
- 2006-04-01
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