JP2011233757A - 静止誘導電器および静止誘導電器の流動帯電診断方法 - Google Patents
静止誘導電器および静止誘導電器の流動帯電診断方法 Download PDFInfo
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- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
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Abstract
【解決手段】タンク内の鉱油よりなる絶縁冷却媒体中に鉄心と、鉄心に装着された絶縁紙が巻回された電線からなるコイルと、絶縁用及び絶縁媒体の冷却通路構成用絶縁体を備えた巻線とを浸漬してなる鉱油入り静止誘導電器において、絶縁紙又は絶縁体表面のCa等の金属成分を分析、定量し、表面に吸着した硫化物の量を推定することにより、鉱油の劣化状態、ならびに静止誘導電器の流動帯電性を診断する。
【選択図】図2
Description
6 低圧巻線
8 直線スペーサ
9 絶縁筒
10 主絶縁
11 高圧巻線
17 スペーサ
20 変圧器本体
21 鉱油
22 変圧器巻線
30 分析用サンプル
31 カプセル
Claims (6)
- 変圧器本体内の鉱油を有する絶縁冷却媒体中に、鉄心と、前記鉄心に装着された絶縁紙が巻回された電線からなるコイルと、コイル絶縁用絶縁体及び前記絶縁冷却媒体の冷却通路を構成する絶縁体を浸漬してなる静止誘導電器において、前記絶縁紙又は絶縁体表面に絶縁紙又は絶縁体内部から移動拡散した金属成分を分析定量することにより、鉱油の劣化状態、ならびに静止誘導電器の流動帯電性を診断することを特徴とする静止誘導電器の流動帯電診断方法。
- 請求項1に記載された静止誘導電器の流動帯電診断方法において、前記絶縁体はボード材から構成されたことを特徴とする静止誘導電器の流動帯電診断方法。
- 請求項1または2に記載された静止誘導電器の流動帯電診断方法において、前記絶縁紙又は絶縁体表面の金属成分の量から、表面に吸着した硫化物の量を推定することを特徴とする静止誘導電器の流動帯電診断方法。
- 請求項1乃至3のいずれかに記載された静止誘導電器の流動帯電診断方法において、前記金属成分は、Ca、Na、K、Mg、Al、Si、Fe、Cuから選ばれた1種であることを特徴とする静止誘導電器の流動帯電診断方法。
- 請求項1乃至4のいずれかに記載された静止誘導電器の流動帯電診断方法において、前記金属成分を分析定量する分析方法は、XPS分析法、蛍光X線分析法、ICP分析法、EDX分析法、XMA分析法のいずれかを用いることを特徴とする静止誘導電器の流動帯電診断方法。
- 変圧器本体内の鉱油よりなる絶縁冷却媒体中に、鉄心と、前記鉄心に装着された絶縁紙が巻回された電線からなるコイルと、コイル絶縁用絶縁体及び前記絶縁冷却媒体の冷却通路を構成する絶縁体を浸漬してなる静止誘導電器において、前記静止誘導電器に前記絶縁体と同一材料からなる分析用サンプルを着脱自在に設け、分析装置により前記分析用サンプル表面の金属成分を分析定量することにより鉱油の劣化状態、ならびに静止誘導電器の流動帯電性を診断することを特徴とする静止誘導電器。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102969124A (zh) * | 2012-12-17 | 2013-03-13 | 哈尔滨理工大学 | 一种基于液体层流运动及均匀电场的绝缘油带电发生装置 |
JP2014062858A (ja) * | 2012-09-24 | 2014-04-10 | Hitachi Ltd | 油入静止誘導電器の余寿命診断方法 |
Citations (7)
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JPS59219909A (ja) * | 1983-05-30 | 1984-12-11 | Mitsubishi Electric Corp | 油入電器用寿命診断装置 |
JPH0519005A (ja) * | 1991-07-10 | 1993-01-26 | Meidensha Corp | 電気機器の絶縁紙劣化検出方法 |
JP2000002734A (ja) * | 1998-06-16 | 2000-01-07 | Mitsubishi Electric Corp | 流動帯電測定装置 |
JP2000353623A (ja) * | 1999-06-14 | 2000-12-19 | Mitsubishi Electric Corp | 絶縁材料の評価試験装置 |
WO2009054156A1 (ja) * | 2007-10-26 | 2009-04-30 | Mitsubishi Electric Corporation | 油入電気機器の電気絶縁油診断方法 |
JP2010027908A (ja) * | 2008-07-22 | 2010-02-04 | Mitsubishi Electric Corp | 油入電気機器状態分析装置および油入電気機器状態分析方法 |
WO2010035336A1 (ja) * | 2008-09-26 | 2010-04-01 | 三菱電機株式会社 | 油入電気機器 |
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2010
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Patent Citations (7)
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JPS59219909A (ja) * | 1983-05-30 | 1984-12-11 | Mitsubishi Electric Corp | 油入電器用寿命診断装置 |
JPH0519005A (ja) * | 1991-07-10 | 1993-01-26 | Meidensha Corp | 電気機器の絶縁紙劣化検出方法 |
JP2000002734A (ja) * | 1998-06-16 | 2000-01-07 | Mitsubishi Electric Corp | 流動帯電測定装置 |
JP2000353623A (ja) * | 1999-06-14 | 2000-12-19 | Mitsubishi Electric Corp | 絶縁材料の評価試験装置 |
WO2009054156A1 (ja) * | 2007-10-26 | 2009-04-30 | Mitsubishi Electric Corporation | 油入電気機器の電気絶縁油診断方法 |
JP2010027908A (ja) * | 2008-07-22 | 2010-02-04 | Mitsubishi Electric Corp | 油入電気機器状態分析装置および油入電気機器状態分析方法 |
WO2010035336A1 (ja) * | 2008-09-26 | 2010-04-01 | 三菱電機株式会社 | 油入電気機器 |
Non-Patent Citations (2)
Title |
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CSNC200802193009; 小林隆幸: '現場に密着した保守技術〔68〕変圧器の経年劣化と異常診断技術の動向' 火力原子力発電 第59巻 第5号, 20080515, p.41-48, 社団法人火力原子力発電技術協会 * |
JPN6013037225; 小林隆幸: '現場に密着した保守技術〔68〕変圧器の経年劣化と異常診断技術の動向' 火力原子力発電 第59巻 第5号, 20080515, p.41-48, 社団法人火力原子力発電技術協会 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014062858A (ja) * | 2012-09-24 | 2014-04-10 | Hitachi Ltd | 油入静止誘導電器の余寿命診断方法 |
CN102969124A (zh) * | 2012-12-17 | 2013-03-13 | 哈尔滨理工大学 | 一种基于液体层流运动及均匀电场的绝缘油带电发生装置 |
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