An HTS machine laboratory prototype

Nenad Mijatovic, Bogi Bech Jensen, Chresten Træholt, Asger Bech Abrahamsen, Victor Manuel Rodriguez Zermeno, Niels Falsig Pedersen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

This paper describes Superwind HTS machine laboratory setup which is a small scale HTS machine designed and build as a part of the efforts to identify and tackle some of the challenges the HTS machine design may face. One of the challenges of HTS machines is a Torque Transfer Element (TTE) which is in this design integral part of the cryostat. The discussion of the requirements for the TTE supported with a simple case study comparing a shaft and a cylinder as candidates for TTE are presented. The discussion resulted with a cylinder as a TTE design rated for a 250Nm and with more then 10 times lower heat conduction compared to a shaft. The HTS machine was successfully cooled to 77K and tests have been performed. The IV curves of the HTS field winding employing 6 HTS coils indicate that two of the coils had been damaged. The maximal value of the torque during experiments of 78Nm was recorded. Loaded with 33%, the TTE performed well and showed sufficient margin for future experiments.
Original languageEnglish
JournalPhysics Procedia
Volume36
Pages (from-to)771-776
ISSN1875-3892
DOIs
Publication statusPublished - 2012
EventSuperconductivity Centennial Conference (SCC-2011) - The Hague, Netherlands
Duration: 18 Sep 201123 Sep 2011

Conference

ConferenceSuperconductivity Centennial Conference (SCC-2011)
CountryNetherlands
CityThe Hague
Period18/09/201123/09/2011

Bibliographical note

EUCAS Conference 2011

Keywords

  • HTS machine
  • Torque Transfer Element
  • HTS coils

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