A Novel High Step-up DC-DC Converter Integrating Coupled-Inductor with Quasi-Symmetric Gain Feature

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

New energy will become a major component of the energy system because of its clean and renewable characteristics. Solar energy is a new energy which is easy to use. Transforming solar panel’s output to the high voltage of grid-connecting inverter is the responsibility of the high step-up converter. The proposed topology is integrated with coupled-inductor and capacitor-diode multiplier. The novel topology can realize a higher voltage gain which is special with the quasi-symmetric and quadratic feature. And low voltage across the semiconductor devices are achieved. For this kind converter, two operating modes that differ in whether the coupled inductor current is continuous or not will be discussed and the electric value calculations are also given. Then, some comparisons of similar converters will be discussed and advantages of this converter will be highlighted. A laboratory result will be given to verify the theory analysis in the end.

Original languageEnglish
Title of host publicationThe Proceedings of 2022 International Conference on Wireless Power Transfer, ICWPT 2022
EditorsChengbin Ma, Ming Liu, Yiming Zhang, Siqi Li, Lei Zhao, Pengcheng Zhang
PublisherSpringer Science and Business Media Deutschland GmbH
Pages739-747
Number of pages9
ISBN (Print)9789819906307
DOIs
StatePublished - 2023
EventInternational Conference on Wireless Power Transfer, ICWPT 2022 - Chongqing, China
Duration: 2 Dec 20225 Dec 2022

Publication series

NameLecture Notes in Electrical Engineering
Volume1018 LNEE
ISSN (Print)1876-1100
ISSN (Electronic)1876-1119

Conference

ConferenceInternational Conference on Wireless Power Transfer, ICWPT 2022
Country/TerritoryChina
CityChongqing
Period2/12/225/12/22

Keywords

  • Coupled-inductor
  • High step-up dc-dc
  • Quasi-symmetric gain

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