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1 MV Rectifier With SF6-Gas Insulation and Cooling for ITER Neutral Beam Injector System
https://repo.qst.go.jp/records/84562
https://repo.qst.go.jp/records/84562769fb1a4-37f8-4a60-a113-91818d4d193d
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2021-11-17 | |||||
| タイトル | ||||||
| タイトル | 1 MV Rectifier With SF6-Gas Insulation and Cooling for ITER Neutral Beam Injector System | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
Akeshi Takahashi
× Akeshi Takahashi× Suto, Tetsuya× Tanaka, Toshiaki× Yamaguchi, Kohei× Hiroyuki Fujita× Hiranuma, Yuki× Satoshi Ichimura× Kazuhiro, Watanabe× Mieko, Kashiwagi× Tetsuya, Maejima× Hiroyuki, Tobari× Kazuhiro, Watanabe× Mieko, Kashiwagi× Tetsuya, Maejima× Hiroyuki, Tobari |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | This article presents the development results of a five-stage dc-1 MV rectifier for an international thermonuclear experimental reactor neutral beam injector system. Each rectifier outputs -200 kV, and the total five rectifiers are connected in a series. The feasibility of both gas insulation and gas cooling for semiconductor devices was validated to achieve dc-1 MV output and 1-h continuous operation. We devised a novel structure of cylindrical dense alignment of the heatsinks with stud-type diodes, which enables both the mitigation of electric-field concentration on the heatsinks and the improvement of heat dissipation from diodes. The difference in the temperature rise for three different directions of the heatsink in an SF 6 gas atmosphere was also clarified. The heat flow was analyzed to quantify the cooling effect of SF 6 gas, taking into account the gas circulation by the external cooling system. Rectification operation and temperature rise were tested with an actual-scale rectifier including a step-up transformer. Additionally, dc-1.2 MV withstand voltage was tested for a fifth-stage actual-scale rectifier. The test results demonstrated the validity of the proposed design. | |||||
| 書誌情報 |
IEEE Transactions on Industry Applications 巻 57, 号 5, p. 4398-4408, 発行日 2021-09 |
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| 出版者 | ||||||
| 出版者 | IEEE | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 0093-9994 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1109/TIA.2021.3096775 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | https://ieeexplore.ieee.org/document/9484737 | |||||
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Akeshi Takahashi, Suto, Tetsuya, Tanaka, Toshiaki, Yamaguchi, Kohei, Hiroyuki Fujita, Hiranuma, Yuki, Satoshi Ichimura, Kazuhiro, Watanabe, Mieko, Kashiwagi, Tetsuya, Maejima, Hiroyuki, Tobari, Kazuhiro, Watanabe, Mieko, Kashiwagi, Tetsuya, Maejima, Hiroyuki, Tobari, n.d., 1 MV Rectifier With SF6-Gas Insulation and Cooling for ITER Neutral Beam Injector System: IEEE, 4398–4408 p.
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