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All Journal IJITEE (International Journal of Information Technology and Electrical Engineering)
Riz Rifai O. Sasue
Universitas Gadjah Mada
Electrical & Electronics Engineering

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Operation Region Selector Circuit to Obtain Maximum Efficiency of 250 W Boost Converter Riz Rifai O. Sasue; Eka Firmansyah; Suharyanto Suharyanto
IJITEE (International Journal of Information Technology and Electrical Engineering) Vol 2, No 1 (2018): March 2018
Publisher : Department of Electrical Engineering and Information Technology,Faculty of Engineering UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1377.707 KB) | DOI: 10.22146/ijitee.36649

Abstract

Interleaved boost converter gives good conversion efficiency due to its zero-current switching capability when operating in discontinuous conduction mode while keeping its input-output ripple current low. However, operating this kind of converter at interleaved operation for all the time gives poor efficiency under light-load condition. In this paper, an automatic operation region selector switch based on detection of the continuous or discontinuous current mode is proposed. With this switch, during the light-load condition, only one converter is activated, while during full-load condition both converters will be activated. The simulation results using LTspice software show that the proposed boost converter has a better efficiency compared to the conventional boost converter with efficiency range of 84.6 % to 95.32 % under various load conditions.
Co-Authors Eka Firmansyah Maemonah, Maemonah