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Yan, H. B.

Paper Title Page
TUPD017 Design of Main Ring Dipole Power Supply for HIRFL-CSR 1464
 
  • Y. X. Chen, X. M. Feng, D. Q. Gao, Y. L. Gao, Y. Z. Huang, Y. Tang, J. J. Wang, J. W. Xia, H. B. Yan, H. H. Yan, Y. J. Yuan, Z. D. Yuan, S. Zhang, X. L. Zhang, Z. Z. Zhou
    IMP, Lanzhou
 
  This paper introduces the main circuit topologic, control method and double reference setting system of a dipole power supply which is the pivotal device of the HIRFL-CSR(Heavy Ion Research Facility in Lanzhou-Cooling Storage Ring). The power supply works at the pulse mode, with the peak output power of 3.15MW (3000A, 1045V). To fulfill difficult requirements especially for the tracking error, which is needed less than 300ppm, a special topologic is adopted. The power supply has two parts: SCR rectifier provides the most energy and PWM converter provides correcting current and perfect reaction for tracking current setting. Now the dipole power supply is performing well during the CSR commissioning, with the perfect tracking error, well long-time stability and low ripple current.