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Flux measurements and modeling of the magnetic hysteresis for a zero-voltage switching dc-to-dc converter

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3 Author(s)
Hauser, H. ; Vienna University of Technology, Vienna, Austria ; Himmelstoss, F. ; Wurm, P.

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A half-bridge bidirectional step-up dc/dc converter with zero voltage switching is introduced. The losses in the semiconductors are reduced in this concept but the higher current ripple leads to increased losses in the MnZn ferrite inductor. The resulting unsymmetric hysteresis including minor loops due to switching oscillations is predicted using reversible and irreversible energy contributions. © 2003 American Institute of Physics.

Published in:

Journal of Applied Physics  (Volume:93 ,  Issue: 10 )