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Fault detection system for ICRF transmission line in LHD
http://hdl.handle.net/10655/00012599
http://hdl.handle.net/10655/000125997820ead7-2d9d-45da-8c11-877817cdf99b
名前 / ファイル | ライセンス | アクション |
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Fusion_Eng.Des.123_pp444 (514.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-07-26 | |||||
タイトル | ||||||
タイトル | Fault detection system for ICRF transmission line in LHD | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | fault detection system | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ICRF heating | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | LHD | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | transmission line | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | breakdown | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | self-oscillation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
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 | |||||
著者 |
SAITO, Kenji
× SAITO, Kenji× SEKI, Tetsuo× SEKI, Ryosuke× KAMIO, Shuji× NOMURA, Goro× MUTOH, Takashi |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0001-8972-6534 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The transmission line is one of the most important components of ion cyclotron range of frequencies (ICRF) heating devices. In the case of unexpected trouble on the line, such as a breakdown, immediate power-off is necessary in order to avoid severe damage on the line. Breakdowns are difficult to detect with a reflection monitor, since the reflection may originate from a change in the antenna-plasma coupling. In the Large Helical Device (LHD), a Fault Detection System (FDS) for the transmission line was developed, which detects the breakdown utilizing the unbalance of three signals from the both ends of the line. For the precise balancing in the normal condition, the calibration is iteratively conducted. FDS is insensitive to the change of the antenna impedance, therefore, FDS can detect breakdown clearly. Frequency shift is also detectable with the FDS applied to a long transmission line. Therefore, the self-oscillation accompanying frequency shift could be detected in addition to breakdown. | |||||
書誌情報 |
Fusion Engineering and Design 巻 123, p. 444-447, 発行日 2017-03-17 |
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出版者 | ||||||
出版者 | ELSEVIER | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09203796 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10691446 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.fusengdes.2017.03.004 | |||||
権利 | ||||||
権利情報 | (c) 2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.fusengdes.2017.03.004 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
NAIS | ||||||
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