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TY - CONF AU - Liu, Z.K. AU - Chang, F.Y. AU - Chang, L.-H. AU - Chang, M.H. AU - Chang, S.W. AU - Chen, L.J. AU - Chung, F.-T. AU - Li, Y.D. AU - Lin, M.-C. AU - Lo, C.H. AU - Wang, Ch. AU - Yeh, M.-S. AU - Yu, T.-C. ED - Cheng, Yung-Sen ED - Schaa, Volker RW ED - Chiu, Pei-Chen ED - Li, Lu ED - Liu, Yung-Hui ED - Petit-Jean-Genaz, Christine TI - Operational Experience of the Digital LLRF Control System at the Booster Ring of Taiwan Photon Source J2 - Proc. of PCaPAC2018, Hsinchu, Taiwan, 16-19 October 2018 CY - Hsinchu, Taiwan T2 - International Workshop on Emerging Technologies and Scientific Facilities Controls T3 - 12 LA - english AB - The purpose of a Low-Level Radio Frequency (LLRF) system is to control the accelerating cavity field amplitude and phase. To have better RF field stability, precise control and high noise reduction, a digital LLRF control system based on Field Programmable Gate Arrays (FPGA) was developed at NSRRC. We replaced the analog LLRF system with a digital version for the TPS booster ring at the beginning of 2018. During routine operation of the booster RF, some faults occurred when the digital LLRF operated in the energy savings mode. The performance and operational experience of the digital LLRF for the TPS booster will be presented here. PB - JACoW Publishing CP - Geneva, Switzerland SP - 204 EP - 206 KW - LLRF KW - cavity KW - booster KW - controls KW - operation DA - 2019/01 PY - 2019 SN - 978-3-95450-200-4 DO - DOI: 10.18429/JACoW-PCaPAC2018-THP18 UR - http://jacow.org/pcapac2018/papers/thp18.pdf ER -