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《Low Temperature Physical Letters》 2018-05
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Application of Parallel Staggered PFC Technology in Magnet Power Supply

CHEN Xiaoyong;LIU Xiaoning;ZHANG Hao;High Magnetic Field Laboratory of the Chinese academy of Sciences;University of Science and Technology of China;  
Parallel PFC can reduce the input current ripple,reduce the size of the inductor core,reduce the output capacitor ripple,and has high power factor.For its advantages,consider applying this converter to a backup scheme of a superconducting magnet power source with a strong magnetic field center,so as to make up for the deficiency of the current operating power volume being too large.In this paper,the working principle of parallel staggered PFC is introduced.The parameters are designed and selected,the control method is analyzed,SiC devices are used and a1 kW experimental prototype is built.The feasibility of the scheme is verified by experiments,which provides theoretical and engineering experience for the upgrade of the superconducting magnet power supply in the next step.
【CateGory Index】: TN86
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