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Proceedings Paper

Design of a high-performance cascaded boost converter with SiC power devices for photovoltaic applications
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Paper Abstract

This paper presents a positive output cascaded boost converter design based on wide bandgap power devices for photovoltaic (PV) applications. The objective is to enhance the converter’s performance and efficiency. The converter with SiC MOSFET devices is discussed and compared to a conventional cascaded boost converter based on Silicon (Si) devices. A 205 W cascaded boost converter with an input voltage of 26.6 V and an output voltage of 400 V is simulated to examine the switching behavior and energy loss of each power device. Converter performance with these two power devices is analyzed in terms of total power loss and efficiency at high switching frequencies and loading conditions. SiC power devices in the cascaded converter set-up perform better with minimized switching loss under a wide range of switching frequency conditions. The results show that the cascaded converter with SiC devices significantly reduces total power loss and improves the overall efficiency.

Paper Details

Date Published: 23 August 2017
PDF: 7 pages
Proc. SPIE 10381, Wide Bandgap Power Devices and Applications II, 103810I (23 August 2017); doi: 10.1117/12.2277181
Show Author Affiliations
Saleh S. Alharbi, Univ. of Denver (United States)
Ali M. S. Al-bayati, Univ. of Denver (United States)
Salah S. Alharbi, Univ. of Denver (United States)
Mohammad Matin, Univ. of Denver (United States)


Published in SPIE Proceedings Vol. 10381:
Wide Bandgap Power Devices and Applications II
Mohammad Matin; Srabanti Chowdhury; Achyut K. Dutta, Editor(s)

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