Performance Enhancement of a Novel Interleaved Boost Converter by using a Soft-Switching Technique
Journal Title: INTERNATIONAL JOURNAL OF COMPUTER TRENDS & TECHNOLOGY - Year 2014, Vol 7, Issue 4
Abstract
In this paper a novel Interleaved Boost Converter (IBC) with soft-switching techniques is proposed. Through the zero-voltage switching (ZVS) and zero-current switching (ZCS) reduces the current stress of the main circuit components, in addition to this it can also reduces the ripple of the input current and output voltage. In this approach, it can be faster switching, reduce the size and cost with suitable impedance matching is achieved with reduction in auxiliary circuit reactance that has contributed much increase in the overall performance. Coupled inductor in the boosting stage helps higher current sharing between the switches. The overall ripple and Total harmonics distortions are reduced in this technique without sacrificing the performance and efficiency of the converter. The driving circuit can automatically detect operational conditions depending on the situation of the duty cycle whether the driving signals of the main switches are more than 50% or not and get the driving signal of the auxiliary switch. Auxiliary circuit acts as support circuit to both main switches(two conditions) and reduce the total losses and improve efficiency& power factor for large loads. The operational principle, theoretical analysis, and design method of the proposed converter are presented. The entire proposed system will be tested using MATLAB/SIMULINK and the simulation results are also presented.
Authors and Affiliations
M. Penchala Prasad , Ch. Jayavardhana Rao , Dr. Venu gopal . N
Keywords
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