Novel Soft-Switching Integrated Boost DC-DC Converter for PV Power System

Khairy Sayed, Mohammed G. Gronfula and Hamdy A. Ziedan
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Khairy Sayed: Faculty of Engineering, Sohag University, Sohag 82524, Egypt
Mohammed G. Gronfula: Faculty of Engineering, Alasala Colleges, Dammam 31483, Saudi Arabia
Hamdy A. Ziedan: Faculty of Engineering, Assiut University, Assiut 71518, Egypt

Energies, 2020, vol. 13, issue 3, 1-17

Abstract: This paper presents a novel soft-switching boost DC-DC converter, which uses an edge-resonant switch capacitor based on the pulse width modulation PWM technique. These converters have high gain voltage due to coupled inductors, which work as a transformer, while the boost converter works as a resonant inductor. Upon turning on, the studied soft switching circuit works at zero-current soft switching (ZCS), and upon turning off, it works at zero-voltage soft switching (ZVS) while using active semiconductor switches. High efficiency and low losses are obtained while using soft switching and auxiliary edge resonance to get a high step-up voltage ratio. A prototype model is implemented in the Power Electronics Laboratory, Assiut University, Egypt. Seventy-two-panel PV modules of 250 W each were used to simulate and execute the setup to examine the proposed boost converter.

Keywords: novel soft switching; boost DC-DC converter; ZCS; ZVS; auxiliary edge resonant; switch capacitor; PV power system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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