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Design of high-voltage DC power supply based on series-resonant constant-current charging

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3 Author(s)
Deren Feng ; Key Lab of Power Electronics & Motion Control, Anhui University of Technology, Maanshan, 243002, China ; Jiankun Sun ; Jiaojiao Long

On the condition of fs <; fr/2, series-resonant converter has the characteristics of constant-current linear charging for small capacitance loads and soft-switching, and six kinds of models in one switching period are analyzed, and formulas of resonant current and resonant voltage are given. By utilizing the constant-current linear charging just like "average charging" for voltage-doubling rectifier, along with controlling ways of PAM and PFM, a set of soft-switching high-voltage DC power supply is manufactured, and designing processes of power supply and test results are given.

Published in:

2010 5th IEEE Conference on Industrial Electronics and Applications

Date of Conference:

15-17 June 2010