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TY - CONF AU - Huang, M.Y. AU - Chen, J.X. AU - Deng, C.D. AU - Huang, T. AU - Kang, L. AU - Liu, H.C. AU - Liu, L. AU - Liu, Y. AU - Qi, X. AU - Wang, S. AU - Wu, Q.B. AU - Wu, Y.W. AU - Xu, S.Y. AU - Zhang, W.Q. AU - Zhang, Y.L. ED - Liu, Lin ED - Byrd, John M. ED - Neuenschwander, Regis T. ED - Picoreti, Renan ED - Schaa, Volker R. W. TI - Study on the Important Technologies of 300MeV Upgrade for the CSNS Injection System J2 - Proc. of IPAC2021, Campinas, SP, Brazil, 24-28 May 2021 CY - Campinas, SP, Brazil T2 - International Particle Accelerator Conference T3 - 12 LA - english AB - The China Spallation Neutron Source (CSNS-I) have achieved the design goal of 100kW beam power on the target in Feb., 2020. As the second phase of the CSNS, CSNS-II will achieve a beam power on the target of 500 kW. The injection energy of CSNS-II will be increased from 80 MeV to 300 MeV and the average beam current of the Linac will increase 5 times. Therefore, the injection system will require a complete upgrade. In this paper, the design scheme of the injection system for CSNS-II will be introduced. The key technologies of the upgrade injection system will be carefully analyzed and pre-developed, such as the pulse power supplies and their magnets, the special-shaped ceramic vacuum chambers, the main stripping foil, the stripped electron collection, and so on. PB - JACoW Publishing CP - Geneva, Switzerland SP - 3089 EP - 3092 KW - injection KW - electron KW - power-supply KW - vacuum KW - neutron DA - 2021/08 PY - 2021 SN - 2673-5490 SN - 978-3-95450-214-1 DO - doi:10.18429/JACoW-IPAC2021-WEPAB199 UR - https://jacow.org/ipac2021/papers/wepab199.pdf ER -