書誌事項
- タイトル別名
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- Case Study on Fault Diagnosis of the Actual Operating Transformer by FRA
- FRA ニ ヨル ジツ ウンヨウ ヘンアツキ ノ イジョウ シンダン ジレイ
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A high voltage, large capacity power transformer is one of the most important equipment in electric power system. If a failure occurs in such a transformer, stable power supply may become impossible. In addition, efficient power system operation may become difficult because it takes long time to replace the transformer. To prevent failures that may occur, effective external diagnosis must be performed and the defective portions must be correctly identified. However, such anomalous phenomena are complicated in many cases, and their causes cannot be identified in some cases by using conventional techniques.<br>This paper reports a case study on the fault diagnosis of an oil-immersed power transformer that had a tendency to increase in the total combustible gas (TCG) during a regular operation. Specifying the faulty parts became possible by applying various case of Frequency Response Analysis (FRA) diagnosis though it was impossible by the electrical tests, DGA (Dissolved Gas Analysis), and so on. This transformer was disassembled to investigate the condition and was replaced without causing failure.
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） 131 (1), 78-85, 2011
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
- 1390001204602047360
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- NII論文ID
- 10027636305
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- NII書誌ID
- AN10136334
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- ISSN
- 13488147
- 03854213
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- NDL書誌ID
- 10926964
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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
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
