A non‐isolated high step up interleaved boost converter with coupled inductors

Summary In this article, a high step‐up interleaved boost converter topology is proposed for renewable energy applications. The proposed converter utilizes two‐phase interleaved configuration, to increase the power capability of converter while reducing the input current ripples. The output side for...

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Bibliographic Details
Published in:International journal of circuit theory and applications 2022-09, Vol.50 (9), p.3153-3170
Main Authors: Sudarsan Reddy, Duttaluri Venkata, Thangavel, Subbaiyan
Format: Article
Language:English
Subjects:
boost converter
Conduction losses
Conversion ratio
coupled inductor
DC‐DC converter
high step‐up
Inductors
interleaved
renewable energy
Switches
Topology
Voltage gain
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Summary:Summary In this article, a high step‐up interleaved boost converter topology is proposed for renewable energy applications. The proposed converter utilizes two‐phase interleaved configuration, to increase the power capability of converter while reducing the input current ripples. The output side formation enhances the voltage gain with the help of coupled inductors. It produces high voltage conversion ratio with least voltage stress on the switches. The switches are relieved from the voltage spikes by reclaim the energy leakage of the coupled inductors, which minimizes reverse recovery problem in diodes. The conduction losses of the switches are reduced due to small on state resistance. Finally, a prototype of 200 W proposed converter is developed in the laboratory to verify the both theoretical analysis and simulation results. In this article, a high step up interleaved boost converter topology is proposed for renewable energy applications. The proposed converter utilizes two‐phase interleaved configuration, to increase the power capability of converter while reducing the input current ripples. It produces high voltage conversion ratio with least voltage stress on the switches. The switches are relieved from the voltage spikes by reclaim the energy leakage of the coupled inductors, which minimizes reverse recovery problem in diodes.
ISSN:0098-9886
1097-007X
DOI:10.1002/cta.3302