CUED Publications database

AC loss estimation of HTS armature windings for electric machines

Zhang, M and Chudy, M and Wang, W and Chen, Y and Huang, Z and Zhong, Z and Yuan, W and Kvitkovic, J and Pamidi, SV and Coombs, TA (2013) AC loss estimation of HTS armature windings for electric machines. IEEE Transactions on Applied Superconductivity, 23. ISSN 1051-8223

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Abstract

This paper studies 2G high-temperature superconducting (HTS) coils for electric machine armature windings, using finite element method (FEM) and H formulation. A FEM model for 2G HTS racetrack coil is built in COMSOL, and is well validated by comparing calculated ac loss with experimental measurements. The FEM model is used to calculate transport loss in HTS armature windings, using air-cored design. We find that distributed winding used in conventional machine design is an effective way to reduce transport loss of HTS armature winding, in terms of air-cored design. Based on our study, we give suggestions on the design of low loss HTS armature winding. © 2002-2011 IEEE.

Item Type: Article
Uncontrolled Keywords: AC loss high-temperature superconducting (HTS) machine YBCO
Subjects: UNSPECIFIED
Divisions: Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:28
Last Modified: 08 Dec 2014 02:21
DOI: 10.1109/TASC.2013.2239341