Isolated coupled-inductor-integrated dc-dc converter with nondissipative snubber for solar energy applications

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93 Citations (Scopus)

Abstract

This paper proposes an isolated coupled-inductor-integrated dc-dc converter with a nondissipative snubber for solar energy applications. The proposed converter realizes high step-up voltage gain without incurring a high coupled inductor turns ratio by adapting a dual-voltage doubler circuit. In addition, the energy in the coupled inductor leakage inductance can be recycled via a nondissipative snubber on the primary side. Thus, the system efficiency is improved. Finally, a laboratory prototype for demonstrating the performance of the proposed circuit is implemented with a 200-W solar array simulator, a 24-V solar voltage, and a 200-V output voltage. The experimental results show that the peak efficiency of the proposed converter is about 96%.

Original languageEnglish
Article number6579727
Pages (from-to)3337-3348
Number of pages12
JournalIEEE Transactions on Industrial Electronics
Volume61
Issue number7
DOIs
Publication statusPublished - 2014 Jul

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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