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Design of a Novel Pulsed Power System for Repetitive Pulsed High Magnetic Fields

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6 Author(s)
Yun Xu ; State Key Lab. of Adv. Electromagn. Eng. & Technol, Huazhong Univ. of Sci. & Technol., Wuhan, China ; Rui Yang ; Yingmeng Xiang ; Hongfa Ding
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A repetitive pulsed high magnetic field is a useful tool for scientific research and industrial applications. In this paper, a novel repetitive pulsed power system (RPPS) adopted to generate repetitive pulsed high magnetic fields (RPHMF) at the Wuhan National High Magnetic Field Center (WHMFC) is designed. The capacitors serve as the energy storage elements in the pulsed power system, and the key issue of the RPHMF system is to decrease the loss and to charge the capacitors quickly, safely and efficiently. For this purpose, a new discharge topology is used to feed the energy stored in the magnet back to the capacitor by an additional choke coil and a resonant capacitor. The energy lost during each pulse will be replenished to the capacitor through a high frequency series-parallel resonant capacitor charging power supply (CCPS).

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Applied Superconductivity, IEEE Transactions on  (Volume:22 ,  Issue: 3 )