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Single-cycle quasi-resonant converter with controlled timing of the power switches

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3 Author(s)
E. Dallago ; Dept. of Electr. Eng., Pavia Univ., Italy ; R. Quaglino ; G. Sassone

In this paper, aspects of the real operation of a single-cycle quasi-resonant power converter are analyzed and experimentally verified. In particular, electrical stresses and power losses in the complementary power switches are considered. A variable timing strategy of the switches, based on the direct measurement of the resonance period, is proposed and described. The experimental results and comparisons carried out on a laboratory prototype of the power converter are reported and discussed

Published in:

IEEE Transactions on Power Electronics  (Volume:11 ,  Issue: 2 )