Calculation of AC losses in large HTS stacks and coils

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

Documents

View graph of relations

In this work, we present a homogenization method to model a stack of HTS tapes under AC applied transport current or magnetic field. The idea is to find an anisotropic bulk equivalent for the stack of tapes, where the internal alternating structures of insulating, metallic, superconducting and substrate layers are reduced while keeping the overall electromagnetic behavior. Our work extends the anisotropic bulk model originally presented by Clem et al. and later refined by Prigozhin and Sokolovsky. We disregard assumptions upon the shape of the critical region and use a power law E-J relationship allowing for overcritical current densities to be considered. The method presented here allowed for a computational speedup factor of up to 2 orders of magnitude when compared to full 2-D simulations taking into account the actual structure of the stacks without compromising accuracy.
Original languageEnglish
Title of host publicationProceedings of International Conference on Coated Conductors for Applications (CCA2012)
Number of pages2
Publication date2012
StatePublished - 2012
Event International Conference on Coated Conductors for Applications (CCA 2012) - Heidelberg, Germany

Conference

Conference International Conference on Coated Conductors for Applications (CCA 2012)
CountryGermany
CityHeidelberg
Period13/11/201216/11/2012

Bibliographical note

International Conference on Coated Conductors for Applications (CCA2012), Heidelberg, Germany, November 2012.

    Keywords

  • Finite-element modeling, AC losses, coils, homogenization
Download as:
Download as PDF
Select render style:
APAAuthorCBE/CSEHarvardMLAStandardVancouverShortLong
PDF
Download as HTML
Select render style:
APAAuthorCBE/CSEHarvardMLAStandardVancouverShortLong
HTML
Download as Word
Select render style:
APAAuthorCBE/CSEHarvardMLAStandardVancouverShortLong
Word

Download statistics

No data available

ID: 52889831