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Fault locating for traveling-wave accelerators based on transmission line theory 作者： Hu, Tongning 1 Wang, Haimeng 1 Zeng, Yifeng 1 Xu, Hongjie 1 Chen, Li 2 Feng, Guangyao 3 Pei, Yuanji 3 作者单位： 1. Huazhong University of Science and Technology 2. State Grid Fujian Economic Research Institute 3. University of Science and Technology of China 通讯作者： Hu, Tongning Email:[email protected] 提交时间： 2023-07-08 摘要: Radio-frequency (RF) breakdown analysis and location are critical for successful development of high-gradient traveling-wave (TW) accelerators, especially those expected to generate high-intensity, high-power beams. Compared with commonly used schemes involving dedicated devices or complicated techniques, a convenient approach for breakdown locating based on transmission line (TL) theory offers advantages in the typical constant-gradient TW-accelerating structure. To deliver such an approach, an equivalent TL model has been constructed to equate the TW-accelerating structure based on the fundamental theory of the TL transient response in the time domain. An equivalence relationship between the TW-accelerating structure and the TL model has been established via analytical derivations associated with grid charts and verified by TL circuit simulations. Furthermore, to validate the proposed fault-locating method in practical applications, an elaborate analysis via such a method has been conducted for the recoverable RF-breakdown phenomena observed at an existing prototype of a TW-accelerating-structure-based beam injector constructed at the Huazhong University of Science and Technology. In addition, further considerations and discussion for extending the applications of the proposed method have been given. This breakdown-locating approach involving the transient response in the framework of TL theory can be a conceivable supplement to existing methods, facilitating solution to construction problems at an affordable cost. Traveling-wave structure RF breakdown fault locating transmission line 来自： Tongning Hu 分类： 核科学技术 >> 粒子加速器 投稿状态： 未投稿 引用： ChinaXiv:202307.00041 (或此版本 ChinaXiv:202307.00041V1 ) DOI:10.12074/202307.00041V1 CSTR:32003.36.ChinaXiv.202307.00041.V1 推荐引用方式： Hu, Tongning,Wang, Haimeng,Zeng, Yifeng,Xu, Hongjie,Chen, Li,Feng, Guangyao,Pei, Yuanji.(2023).Fault locating for traveling-wave accelerators based on transmission line theory.中国科学院科技论文预发布平台.doi:10.12074/202307.00041V1 版本历史 [V1] 2023-07-08 19:21:39 ChinaXiv:202307.00041V1 下载全文