CUED Publications database

Simulation of AC loss in small HTS coils with iron core

Lai, L and Gu, C and Qu, T and Zhang, M and Li, Y and Liu, R and Coombs, T and Han, Z (2015) Simulation of AC loss in small HTS coils with iron core. IEEE Transactions on Applied Superconductivity, 25. ISSN 1051-8223

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© 2002-2011 IEEE. AC loss is one of the key problems in HTS applications. This study focuses on the AC loss in small Bi-2223/Ag and YBCO coils, with an emphasis on the presence of an iron core. HTS coils with an iron core can be used in a number of applications, including induction heaters, motors, fault current limiters, controllable reactors and transformers. The major concern of the study is the interaction between the iron core and the HTS coil. This study first provides a brief introduction of the resistivity-adaption algorithm (RAA) method, which is used to simulate the field penetration, based on a given flux motion theory. A general model is then proposed, with a discussion on the effect of the iron core. Results showed that a well-designed iron core is beneficial for the AC loss reduction.

Item Type: Article
Divisions: Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:42
Last Modified: 21 Jun 2018 02:28