Aalborg Inverter - A new type of “Buck in Buck, Boost in Boost” Grid-tied Inverter

Weimin Wu, Frede Blaabjerg

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

4 Citations (Scopus)

Abstract

This paper presents a new family of high efficiency DC/AC grid-tied inverter with a wide variation of input DC voltage. It is a kind of “Boost in Boost, Buck in
Buck” inverter, meaning that only one power stage works at the high frequency to achieve the minimum switching loss. Furthermore, the minimum filtering inductance in the power loop is achieved to reduce the conduction power loss whether in “Boost” or “Buck” mode. In theory, it can achieve higher efficiency than other inverters under the same condition of input DC voltage. The principle of operation is fully illustrated through the analysis on the equivalent circuits of a “three-level” single-phase inverter. Simulations show it has good control performance.
Original languageEnglish
Title of host publication28th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2013
Number of pages8
PublisherIEEE Press
Publication date2013
Pages460-467
ISBN (Print)978-1-4673-4354-1
ISBN (Electronic)978-1-4673-4353-4
DOIs
Publication statusPublished - 2013
EventIEEE Applied Power Electronics Conference and Exposition, APEC 2013 - Long Beach, CA, United States
Duration: 17 Mar 201321 Mar 2013

Conference

ConferenceIEEE Applied Power Electronics Conference and Exposition, APEC 2013
CountryUnited States
CityLong Beach, CA
Period17/03/201321/03/2013
SeriesI E E E Applied Power Electronics Conference and Exposition. Conference Proceedings
ISSN1048-2334

Keywords

  • Voltage source inverter, cu rrent source inverter, LCL filter , CL filter , step-down, step-up, efficiency

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