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Pla
ais, A.*; Bouly, F.*; Yee-Rendon, B.
Proceedings of 14th International Particle Accelerator Conference (IPAC 23) (Internet), p.4097 - 4100, 2023/09
Reliability in high power hadron accelerators is a major issue, particularly for Accelerator Driven Systems (ADS). For example, the Japan Atomic Energy Agency (JAEA) ADS maximum frequency of beam trips longer than 5 min was set to 42 per year. A significant number of breakdowns are caused by the failure of accelerating cavities or by their associated systems. Hence, we studied how these can be effectively reduced. To this end, we developed the numerical tool LightWin that aims to determine the compensation settings for any superconducting (SC) linac automatically and systematically. This tool has been successfully used for the MYRRHA SC linac. In this work, we applied LightWin to compensate for several failure scenarios involving the last section of the JAEA ADS linac and compared the associated retuned settings and beam performance to those found in a previous study with TraceWin.
Gatera, A.*; Belmans, J.*; Boussa, S.*; Davin, F.*; De Cock, W.*; De Florio, V.*; Doucet, F.*; Parez, L.*; Pompon, F.*; Ponton, A.*; et al.
Proceedings of 64th ICFA Advanced Beam Dynamics Workshop on High Intensity and High Brightness Hadron Beams (HB2021), p.186 - 190, 2022/04
Gatera, A.*; Belmans, J.*; Davin, F.*; De Cock, W.*; Doucet, F.*; Parez, L.*; Pompon, F.*; Ponton, A.*; Vandeplassche, D.*; Bouly, F.*; et al.
Proceedings of 12th International Particle Accelerator Conference (IPAC 21) (Internet), p.675 - 678, 2021/08
Plaais, A.*; Bouly, F.*; Yee-Rendon, B.
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Reliability is a critical issue in high-power hadron accelerators, especially accelerator-driven hybrid reactors (ADS). As an example, the Japan Atomic Energy Agency-ADS (JAEA-ADS) ADS must have no more than 42 beam interruptions of more than 5 minutes per year. A significant number of failures are caused by acceleration cavities or associated system losses. These can be corrected by realigning the surrounding cavity or part of the accelerator. However, it is difficult to find a setting that compensates for failures within seconds. That's why we developed LightWin, a tool that allows you to pre-create a database of failure scenarios associated with specific linac configurations. This study presents various fault compensation strategies and his LightWin validation studies performed on superconducting linacs at MYRRHA and JAEA-ADS. We also discuss LightWin's versatility and efficiency, as well as the latest advances in low energy and high beam current compensation.
