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Small signal characterization of Active-Clamp Forward Converter with Full Wave Rectifier and peak current mode control

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3 Author(s)
Rajguru, V.S. ; Dept. of Electr. Eng., Coll. of Eng., Pune, India ; Manjrekar, S. ; Chaudhari, B.K.

In this paper the small signal ac equivalent circuit model for Active Clamp Forward DC-DC Converter with Full Wave Rectifier is proposed using state space averaging technique. The model utilizes unbalanced secondary winding of the transformer and low output inductance value to achieve an improved bandwidth and load transient response. The effect of clamp capacitor on small signal characteristic is discussed and the remedies are proposed. Simulation results are presented for a converter operating at 100 KHz with 48V DC nominal input and 5V/20A DC output.

Published in:

Sustainable Energy Technologies (ICSET), 2010 IEEE International Conference on

Date of Conference:

6-9 Dec. 2010