Investigation, development and verification of printed circuit board embedded air-core solenoid transformers

Jakob Døllner Mønster, Mickey Pierre Madsen, Jeppe Arnsdorf Pedersen, Arnold Knott

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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Abstract

A new printed circuit board embedded air-core transformer/coupled inductor is proposed and presented. The transformer is intended for use in power converter applications operating at very high frequency between 30 MHz to 300 MHz. The transformer is based on two or more solenoid structures in different configurations. The different configurations are compared for usefulness as a transformer solution, and an analytical model of the inductive parameters for the most suitable configuration is derived for design purpose. The analytical model is verified by comparing calculations and measurements of prototypes. The analytical model shows good agreement with the measured results. The model can predict the inductive parameters of the transformer with a deviation range of approximately 3 % to 22 %. Lastly a prototype is used in a VHF converter to achieve a rise of 2.2% points in efficiency.
Original languageEnglish
Title of host publicationProceedings of APEC 2015
PublisherIEEE
Publication date2015
Pages133-139
ISBN (Print)9781479967353
DOIs
Publication statusPublished - 2015
Event30th Applied Power Electronics Conference and Exposition - Charlotte Convention Center, Charlotte, NC, United States
Duration: 15 Mar 201519 Mar 2015

Conference

Conference30th Applied Power Electronics Conference and Exposition
LocationCharlotte Convention Center
CountryUnited States
CityCharlotte, NC
Period15/03/201519/03/2015

Keywords

  • Air-core
  • VHF
  • Transformer
  • PCB
  • Resonant converter

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