Journal article
An HTS machine laboratory prototype
Department of Electrical Engineering, Technical University of Denmark1
Electric Components, Department of Electrical Engineering, Technical University of Denmark2
Department of Wind Energy, Technical University of Denmark3
Wind Energy Systems, Department of Wind Energy, Technical University of Denmark4
Department of Mathematics, Technical University of Denmark5
Dynamical systems, Department of Mathematics, Technical University of Denmark6
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.
| Language: | English |
|---|---|
| Year: | 2012 |
| Pages: | 771-776 |
| Proceedings: | Superconductivity Centennial Conference (SCC-2011) |
| ISSN: | 18753884 and 18753892 |
| Types: | Journal article |
| DOI: | 10.1016/j.phpro.2012.06.041 |
| ORCIDs: | Mijatovic, Nenad , Træholt, Chresten and Abrahamsen, Asger Bech |
