Author: Lin, K.-K.
Paper Title Page
MOPTY077 Control Interface of Pulse Magnet Power Supply for TPS Project 1120
 
  • C.Y. Wu, J. Chen, Y.-S. Cheng, C.-S. Fann, K.T. Hsu, S.Y. Hsu, K.H. Hu, C.H. Huang, D. Lee, C.Y. Liao, K.-K. Lin
    NSRRC, Hsinchu, Taiwan
  
  The TPS (Taiwan Photon Source) is low emittance 3 GeV synchrotron light source. The design and implementation of a pulse magnet power supply control system for beam injection and extraction were done. The EPICS embedded programmable logic controller (PLC) was applied to control pulse magnet power supply. The system comprises various input/output modules and a CPU module with built-in Ethernet interface. The control information (status of the power supply, ON, OFF, warn up, reset, reading/setting voltage, etc.) can be accessed remotely using EPICS client tools. The TPS timing system provide trigger signals for pulse magnet power supplies. The Ethernet-based oscilloscope is employed to observe current waveform of pulse magnet power supply with EPICS support. This paper describes control interface and operation GUI for the TPS pulse magnet power supply.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-MOPTY077  
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TUPJE049 TPS Linac Relocation and Beam Test of the LTB Transfer Line 1731
 
  • H.-P. Chang, A.Y. Chen, C.L. Chen, Y.-S. Cheng, C.-S. Fann, K.T. Hsu, S.Y. Hsu, K.-K. Lin, Y.C. Lin, J. Liu, K.L. Tsai
    NSRRC, Hsinchu, Taiwan
  
  The Taiwan Photon Source (TPS) 150 MeV linac has been relocated from its 2011 test site to the TPS linac tunnel in 2014. After functional test of the linac hardware modules, the beam parameters were carefully examined at a 31-degree bend diagnostic beam line LTD (linac to beam dump) and compared with previous results. Then, the 150 MeV electron beam was delivered to the linac to booster transfer line (LTB) for beam commissioning. The beam optics matching at both the LTB entrance (i.e. linac exit) and the LTB exit (i.e. injection point of booster) was performed for injection optimization purpose. The LTB lattice setting was verified in the beam steering through LTD and LTB with the help of diagnostics tools such as beam profile monitors (SM) and beam position monitors (BPM). The overall performance of the linac and LTB will be described in this report.
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-TUPJE049  
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WEPHA035 Development of an IGBT Pulser for TPS LTB Kicker 3191
 
  • C.L. Chen, H.-P. Chang, Y.-S. Cheng, C.-S. Fann, K.T. Hsu, S.Y. Hsu, K.-K. Lin, K.L. Tsai
    NSRRC, Hsinchu, Taiwan
  
  The TPS LTB injection kicker was first commissioned using PFN pulser equipped with thyratron switch. Although its bench-testing results fulfilled the specifications but the performance was degraded due to unavoidable integration difficulty. After evaluating a couple of improvement options in hand, a pulser using IGBT switch was chosen for off-the-bench beneficial purpose. The upgraded pulser satisfies the overall specifications with comfortable margins. Some major performance parameters such as flattop and tail ringing are emphasized concerning their influence on beam injection. This report describes the field-testing result of this IGBT pulser.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-WEPHA035  
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