Simulation of AC Loss in Small HTS Coils With Iron Core

Lingfeng Lai, Chen Gu, Timing Qu, Min Zhang, Yanqing Li, Rui Liu, T. Coombs, Zhenghe Han

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

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.
Original languageEnglish
JournalIEEE Transactions on Applied Superconductivity
Volume25
Issue number3
Early online date2 Dec 2014
DOIs
Publication statusPublished - 3 Feb 2015

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