Power Dissipation in the HTS Coated Conductor Tapes and Coils Under the Action of Different Oscillating Currents and Fields

This paper presents the power dissipation analysis on high-temperature superconducting (HTS) coated conductor tapes and coils under the action of various oscillating currents and fields. The loss calculation on HTS coil was carried out by the H-formulation model implemented in the finite-element met...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2019-08, Vol.29 (5), p.1-5
Main Authors: Boyang Shen, Chao Li, Jianzhao Geng, Qihuan Dong, Jun Ma, Gawith, James, Kaihe Zhang, Zhaokai Li, Jie Chen, Wei Zhou, Xinru Li, Jie Sheng, Zhuyong Li, Zhen Huang, Jiabin Yang, Coombs, T. A.
Format: Article
Language:English
Subjects:
ac loss
Alternating current
Coils
Computer simulation
Conductors
Current measurement
Finite element analysis
Finite element method
High temperature
high temperature superconducting (HTS) coil
High-temperature superconductors
Loss measurement
Magnetic fields
oscillating signal
Power dissipation
Superconducting coils
Superconducting tapes
Triangles
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Summary:This paper presents the power dissipation analysis on high-temperature superconducting (HTS) coated conductor tapes and coils under the action of various oscillating currents and fields. The loss calculation on HTS coil was carried out by the H-formulation model implemented in the finite-element method (FEM) software package COMSOL Multiphysics. There were four different oscillating (ac) signals in this paper: sine, triangle, sawtooth, and square. Two scenarios causing loss in HTS tapes and coils which have been analyzed: Scenario 1 ac transport current; Scenario 2 ac magnetic field. The simulation results were compared to the experiment results with the typical sinusoidal ac signal.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2019.2901650