A Soft-Switched High-Gain Interleaved DC–DC Converter with Coupled Inductors for Renewable Energy Systems

This paper proposes a soft-switched high-gain interleaved coupled inductor-based boost converter for renewable energy systems. The interleaved configuration, at the source side, reduces the current ripple of input and enhances the converter’s power capacity. At the output side, the voltage multiplie...

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Bibliographic Details
Published in:Iranian journal of science and technology. Transactions of electrical engineering 2024, Vol.48 (2), p.911-927
Main Authors: Reddy, D. V. Sudarsan, Thangavel, S., Golla, Mallikarjuna
Format: Article
Language:English
Subjects:
Electric potential
Electrical Engineering
Engineering
High gain
Inductance
Inductors
Leakage
Renewable energy
Research Paper
Switches
Switching
Voltage
Voltage converters (DC to DC)
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Summary:This paper proposes a soft-switched high-gain interleaved coupled inductor-based boost converter for renewable energy systems. The interleaved configuration, at the source side, reduces the current ripple of input and enhances the converter’s power capacity. At the output side, the voltage multiplier circuit increases the gain by means of coupled inductors (CIs). Zero voltage switching turn ON of switches minimizes the switching losses. The active-clamping nullifies the voltage spikes generated at the main switches. The leakage inductance of CI mitigates the reverse recovery issue in diodes. The proposed converter builds high gain with a reasonable turns ratio of CI and duty ratio. The leakage energy recycling and soft-switching can enhance the converter’s efficiency. The prototype of the 200 W proposed converter is developed to validate the performance.
ISSN:2228-6179
2364-1827
DOI:10.1007/s40998-024-00705-1