AC Loss Property of Horizontal Array of Isolated REBCO Superconducting Tapes and Pancake Coils

Accurate estimation of AC losses is crucial for designing superconducting motors with high output power, lightweight, and safety, particularly for aircraft applications. This study examined the AC losses in a horizontal array of REBa 2 Cu 3 O y tapes to develop an accurate method for estimating AC l...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2025-08, Vol.35 (5), p.1-6
Main Authors: Sasa, Hiromasa, Oishi, Ryoma, Nishida, Yuji, Himeno, Yuuki, Suenaga, Takaemi, Miura, Shun, Miyazaki, Hiroshi, Iwakuma, Masataka
Format: Article
Language:English
Subjects:
A C motors
AC losses
Arrays
Estimation
Frequency measurement
Loss measurement
Magnetic field measurement
Mathematical models
Motors
Pancake coils
REBCO
Superconducting coils
Superconducting films
Superconducting tapes
Superconductivity
Temperature measurement
Voltage measurement
Windings
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Summary:Accurate estimation of AC losses is crucial for designing superconducting motors with high output power, lightweight, and safety, particularly for aircraft applications. This study examined the AC losses in a horizontal array of REBa 2 Cu 3 O y tapes to develop an accurate method for estimating AC losses in motors. The AC losses of the short tape samples and coil samples were measured. The characteristic parameters included the number of tapes/coils, n , and the distance between the tapes/coils normalized by the width of the superconducting layer, g / w . For small amplitudes of the applied field, the AC loss was found to be influenced by n and g / w . As n increased or g / w decreased, the AC loss increased. In addition, the applicability of the proposed AC loss estimation method is verified.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2024.3518453