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Novel technique for power factor correction in flyback converters

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3 Author(s)
Papanikolaou, N.P. ; Dept. of Electr. & Comput. Eng., Patras Univ., Greece ; Rikos, E.J. ; Tatakis, E.C.

Due to the necessity of DC power supplies that combine variable step-up and step-down DC output voltage, high power density and low harmonic distortion at the mains side, power factor correction in flyback converters has become a big issue. The paper presents a novel method to achieve high power factor correction in flyback converters without sensing the input current. This method is extended to give to a simplified and accurate design strategy for this type of converter, revealing an optimal solution under any operating point

Published in:

Electric Power Applications, IEE Proceedings -  (Volume:148 ,  Issue: 2 )