Overview of High-Step-Up Coupled-Inductor Boost Converters

High-step-up, high-efficiency, and cost-effective dc-dc converters, serving as an interfacing cell to boost the low-voltage output of renewable sources to the utility voltage level, are an important part in renewable energy systems. Over the past few years, there has been a substantial amount of stu...

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Bibliographic Details
Published in:IEEE journal of emerging and selected topics in power electronics 2016-06, Vol.4 (2), p.689-704
Main Authors: Huawu Liu, Haibing Hu, Hongfei Wu, Yan Xing, Batarseh, Issa
Format: Article
Language:English
Subjects:
boost converter
Categories
Clamps
Converters
coupled inductor
DC to DC
Derivation
Electric converters
High-step-up
Inductors
Joining
renewable energy
Renewable energy sources
Renewable resources
Stress
Switches
Switching circuits
Topology
Voltage
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Summary:High-step-up, high-efficiency, and cost-effective dc-dc converters, serving as an interfacing cell to boost the low-voltage output of renewable sources to the utility voltage level, are an important part in renewable energy systems. Over the past few years, there has been a substantial amount of studies devoted to high-step-up dc-dc converters. Among them, the category of coupled-inductor boost converters is widely researched and considered to be a promising solution for high-step-up applications. In this paper, these converters are categorized into five groups according to the major topological features. The derivation process, advantages, and disadvantages of these converters are systematically discussed, compared, and scrutinized. This paper aims to provide an introduction, review, and framework for the category of high-step-up coupled-inductor boost converters. General structures for the topologies are proposed to clarify the topological derivation process and to show potential gaps. Furthermore, challenges or directions are presented in this paper for deriving new topologies in this field.
ISSN:2168-6777
2168-6785
DOI:10.1109/JESTPE.2016.2532930