書誌事項
- タイトル別名
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- Insulation Degradation Diagnostic Technology to XLPE Cable
- CV ケーブル ゼツエン レッカ シンダン ギジュツ
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説明
XLPE power cables have been in use for long time now and some of them are approaching 30 years of their designed lifetime. However, under the present severe economic situation, it is necessary to use the existing apparatus as long as possible. So, degradation diagnostic methods with high reliability are needed earnestly. This paper explains the insulation degradation mechanism of XLPE power cables and the newest diagnostic methods on each voltage class. In 3.3-77kV classes, fairly high extents of the cable accidents depend on the water-tree degradation. For 3.3-6.6kV class cables, on-line diagnostic methods with high reliability to detect bridged water-trees have been developed and put in practical use. And, for 22-77kV classes, two promising off-line diagnostic methods to detect un-bridged water-trees have begun to carry out in on-site tests.
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 124 (11), 935-938, 2004
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
- 1390282679570638720
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- NII論文ID
- 10013712993
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- NII書誌ID
- AN10136312
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- ISSN
- 13475533
- 03854205
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- NDL書誌ID
- 7137502
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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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- 使用不可