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TY - CONF AU - Plum, M.A. AU - Anderson, D.E. AU - Barbier, C.N. AU - Champion, M.S. AU - Connell, M.S. AU - Galambos, J. AU - Harvey, M.M. AU - Howell, M.P. AU - Kim, S.-H. AU - Moss, J. AU - Riemer, B.W. AU - Steffey, R.W. ED - Boland, Mark ED - Tanaka, Hitoshi ED - Button, David ED - Dowd, Rohan ED - Schaa, Volker RW ED - Tan, Eugene TI - SNS Proton Power Upgrade Status J2 - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019 CY - Melbourne, Australia T2 - International Particle Accelerator Conference T3 - 10 LA - english AB - The Proton Power Upgrade (PPU) project at the Oak Ridge Spallation Neutron Source aims to double the beam power capability of the accelerator, from 1.4 to 2.8 MW. This will be done by a 30% increase in beam energy (from 1.0 to 1.3 GeV), and a 50% increase in beam current (from 25 to 38 mA averaged over a macropulse). The project is now well underway, after receiving approval to start preliminary design in April 2018. In this paper we will discuss recent technical developments in the project, including the warm linac RF system upgrade, a new topology for the high voltage converter modulators, an engineering review of the power capability of the injection dump, and a 2-MW-capability for the existing target station. PB - JACoW Publishing CP - Geneva, Switzerland SP - 2124 EP - 2126 KW - klystron KW - power-supply KW - injection KW - DTL KW - linac DA - 2019/06 PY - 2019 SN - 978-3-95450-208-0 DO - DOI: 10.18429/JACoW-IPAC2019-TUPTS086 UR - http://jacow.org/ipac2019/papers/tupts086.pdf ER -