Speaker
Zhouyu Zhao
(University of Science and Technology of China)
Description
A control scheme for a high-density multi-channel regulated current power supply based on a compact high-speed PLC is proposed. This scheme adopts a hybrid analog-digital dual-loop control method. The power modules utilize mature commercial modules with built-in analog voltage control loops, while a single PLC constructs the current feedback loops for multiple power modules.
The scheme has been successfully applied to multi-channel focusing coil power supplies in an accelerator, featuring extremely high power density, simple interlocking and communication interfaces, and high operational reliability.
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Author
Yucheng Shang
(National Synchrotron Radiation Laboratory)
Co-author
Zhouyu Zhao
(University of Science and Technology of China)