Influence of substrate magnetism on frequency-dependent transport loss in HTS-coated conductors

Guole Liu; Guomin Zhang; Liwei Jing; Hui Yu; Liwang Ai; Weijia Yuan; Wanjie Li

doi:10.1109/TASC.2017.2748979

Influence of substrate magnetism on frequency-dependent transport loss in HTS-coated conductors

Guole Liu, Guomin Zhang, Liwei Jing, Hui Yu, Liwang Ai, Weijia Yuan, Wanjie Li

Electronic And Electrical Engineering

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

The magnetism of substrate has significant influence on the transport loss in high temperature superconducting (HTS) coated conductors (CCs). Taking three types of substrates (i.e., nonmagnetic, weakly magnetic, and strongly magnetic) into account, a study on the frequency dependence (in the range of 10-1000 Hz) of transport loss in HTS CCs with these substrates is performed numerically and experimentally. Different loss components and magnetic field profile are calculated individually to clarify the effect of substrate magnetism. Results show that HTS CCs with magnetic substrate exhibit higher transport loss than CCs with nonmagnetic substrate. Both hysteresis loss in HTS layer and eddy current loss in conventional metal increase with the enhancement of substrate magnetism.

Original language	English
Article number	6603807
Number of pages	7
Journal	IEEE Transactions on Applied Superconductivity
Volume	27
Issue number	8
Early online date	25 Oct 2017
DOIs	https://doi.org/10.1109/TASC.2017.2748979
Publication status	Published - 1 Dec 2017

Keywords

coated conductor
finite element model (FEM)
frequency dependence
substrate magnetism
transport loss

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10.1109/TASC.2017.2748979

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title = "Influence of substrate magnetism on frequency-dependent transport loss in HTS-coated conductors",

abstract = "The magnetism of substrate has significant influence on the transport loss in high temperature superconducting (HTS) coated conductors (CCs). Taking three types of substrates (i.e., nonmagnetic, weakly magnetic, and strongly magnetic) into account, a study on the frequency dependence (in the range of 10-1000 Hz) of transport loss in HTS CCs with these substrates is performed numerically and experimentally. Different loss components and magnetic field profile are calculated individually to clarify the effect of substrate magnetism. Results show that HTS CCs with magnetic substrate exhibit higher transport loss than CCs with nonmagnetic substrate. Both hysteresis loss in HTS layer and eddy current loss in conventional metal increase with the enhancement of substrate magnetism.",

keywords = "coated conductor, finite element model (FEM), frequency dependence, substrate magnetism, transport loss",

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T1 - Influence of substrate magnetism on frequency-dependent transport loss in HTS-coated conductors

AU - Liu, Guole

AU - Zhang, Guomin

AU - Jing, Liwei

AU - Yu, Hui

AU - Ai, Liwang

AU - Yuan, Weijia

AU - Li, Wanjie

PY - 2017/12/1

Y1 - 2017/12/1

N2 - The magnetism of substrate has significant influence on the transport loss in high temperature superconducting (HTS) coated conductors (CCs). Taking three types of substrates (i.e., nonmagnetic, weakly magnetic, and strongly magnetic) into account, a study on the frequency dependence (in the range of 10-1000 Hz) of transport loss in HTS CCs with these substrates is performed numerically and experimentally. Different loss components and magnetic field profile are calculated individually to clarify the effect of substrate magnetism. Results show that HTS CCs with magnetic substrate exhibit higher transport loss than CCs with nonmagnetic substrate. Both hysteresis loss in HTS layer and eddy current loss in conventional metal increase with the enhancement of substrate magnetism.

AB - The magnetism of substrate has significant influence on the transport loss in high temperature superconducting (HTS) coated conductors (CCs). Taking three types of substrates (i.e., nonmagnetic, weakly magnetic, and strongly magnetic) into account, a study on the frequency dependence (in the range of 10-1000 Hz) of transport loss in HTS CCs with these substrates is performed numerically and experimentally. Different loss components and magnetic field profile are calculated individually to clarify the effect of substrate magnetism. Results show that HTS CCs with magnetic substrate exhibit higher transport loss than CCs with nonmagnetic substrate. Both hysteresis loss in HTS layer and eddy current loss in conventional metal increase with the enhancement of substrate magnetism.

KW - coated conductor

KW - finite element model (FEM)

KW - frequency dependence

KW - substrate magnetism

KW - transport loss

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Influence of substrate magnetism on frequency-dependent transport loss in HTS-coated conductors

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