Comparison of force density of various superconducting linear motor types considering numerically evaluated AC losses

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Abstract

This paper presents a comparison of the force density of four types of superconducting linear motors, taking into account the AC losses. The losses are evaluated by finite element models in which several methods to reduce model complexity are combined to achieve a low computation time. A parametric search is performed to determine the maximum achievable force density of all motor types, in which the operating temperature, geometric parameters, and peak current through the superconducting coils are varied. Results show the optimum number of turns for each motor type, and that a force density around 2500 N/dm3 can be achieved by all four motor types at 20 K.
Original languageEnglish
Title of host publicationSpecial Issue on the 12th European Conference on Applied Superconductivity (EUCAS)
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Number of pages5
DOIs
Publication statusPublished - 31 Mar 2016
EventEuropean Conference on Applied Superconductivity (EUCAS2015) - Lyon, France
Duration: 6 Sep 201510 Sep 2015

Publication series

NameTransactions on Applied Superconductivity
PublisherIEEE
Number3
Volume26
ISSN (Electronic)1051-8223

Conference

ConferenceEuropean Conference on Applied Superconductivity (EUCAS2015)
Country/TerritoryFrance
CityLyon
Period6/09/1510/09/15

Bibliographical note

poster presentation

Keywords

  • superconductivity
  • linear motor
  • design optimization

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