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Volume : II, Issue : IV, May - 2012

SIMULATION AND ANALYSIS OF PWM-CONTROLLED QUASI-RESONANT CONVERTER FOR DRIVES

Helen Priscilla A.S. and Ashly Mary Tom

Published By : Laxmi Book Publication

Abstract :

This paper presents the development of a new resonant capacitor assisted pulse width modulationcontrolled quasi resonant converter with an auxiliary circuit which does the load regulation by controlling the ripple of the resonant voltage. This resonant converter is simulated through MATLAB/SIMULINK. This newly developed quasi resonant DC-DC converter can regulate its DC output under a principle of constant frequency soft switching commutation by a controllable PWM duty cycle control scheme. The ripple of the resonant voltage across the primary resonant capacitor is controlled with a bidirectional auxiliary circuit, while the main switches are operated at a fixed duty ratio and fixed switching frequency. The operating performances of the newly proposed PWM-controlled quasi resonant converter are represented based on simulation results from an applications point of view. .

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Cite This Article :

Helen Priscilla A.S. and Ashly Mary Tom, (2012). SIMULATION AND ANALYSIS OF PWM-CONTROLLED QUASI-RESONANT CONVERTER FOR DRIVES. Indian Streams Research Journal, Vol. II, Issue. IV, http://oldisrj.lbp.world/UploadedData/928.pdf

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