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Zero-voltage-switched multiresonant converter for high-power, pulse-load applications

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3 Author(s)
Jovanovic, M.M. ; Bradley Dept. of Electr. Eng., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA ; Leu, C.S. ; Lee, F.C.Y.

A full-bridge zero-voltage-switched (ZVS) multiresonant converter (MRC) was built for a pulse load with a peak power of 1.44 kW and an average power of 360 W. The converter works with an input-voltage range from 220 to 350 V, and delivers 32 V to the pulse load with a constant peak current of 45 A. The efficiency range of the converter was measured from 82.5 to 90.5%. The maximum efficiency occurs at low line and decreases as the input voltage increases. Detailed analysis and design of the converter, along with experimental results, are presented

Published in:

Industrial Electronics, IEEE Transactions on  (Volume:37 ,  Issue: 6 )