Author: Guo, C.L.
Paper Title Page
MOPWA019 Digital Power Supply Controller Development Based on FPGA 702
  • R.N. Xu, C.L. Guo, D.M. Li, R. Li, S. Tan, W.F. Wu
    SINAP, Shanghai, People's Republic of China
  A digital power supply controller of SSRF (Shanghai Synchrotron Radiation Facility) adops advanced DSP, FPGA and precision ADC as core unit and data acquisition unit. The controller, which is embedded in the power supply case, is composed of two cards, DSP card and ADC card. The controller can communicate with IOC by optical fiber via the Ethernet, Manchester or RS-232 port. The parameters of adjusting power supply can be easily changed to achieve high stability and repeatability. The long-term stability is better than 20ppm. The resolution of current is better than 5ppm. As a replacement of imported PSI controller, the controller is mainly used in middle power supplies in SSRF, and it could accord with all the technical requirements of the facility.