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TY - CONF AU - Zhang, P. AU - Dai, J. AU - Deng, Z.W. AU - Guo, L. AU - Huang, T.M. AU - Li, D.B. AU - Li, J. AU - Li, Z.Q. AU - Lin, H.Y. AU - Luo, Y.L. AU - Ma, Q. AU - Meng, F. AU - Mi, Z.H. AU - Wang, Q.Y. AU - Zhang, X.Y. AU - Zhao, F.C. AU - Zheng, H.J. ED - Liu, Lin ED - Byrd, John M. ED - Neuenschwander, Regis T. ED - Picoreti, Renan ED - Schaa, Volker R. W. TI - Status and Progress of the RF System for High Energy Photon Source 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 - High Energy Photon Source (HEPS) is a 6 GeV diffraction-limited synchrotron light source currently under construction in Beijing. It adopts a double-frequency RF system with 166.6 MHz as fundamental and 499.8 MHz as third harmonic. The fundamental cavity is making use of a superconducting quarter-wave β=1 structure and the third harmonic is of superconducting elliptical single-cell geometry for the storage ring, while normal-conducting 5-cell cavities are chosen for the booster ring. A total of 900 kW RF power shall be delivered to the beam by the 166.6 MHz cavities and the third harmonic cavities are active. All cavities are driven by solid-state power amplifiers and the RF fields are regulated by digital low-level RF control systems. The cavity and ancillaries, high-power RF system and low-level RF control system are in the prototyping phase. This paper presents the current status and progress of the RF system for HEPS. PB - JACoW Publishing CP - Geneva, Switzerland SP - 1165 EP - 1168 KW - cavity KW - photon KW - storage-ring KW - booster KW - low-level-rf DA - 2021/08 PY - 2021 SN - 2673-5490 SN - 978-3-95450-214-1 DO - doi:10.18429/JACoW-IPAC2021-MOPAB380 UR - https://jacow.org/ipac2021/papers/mopab380.pdf ER -