Numerical calculations of AC losses in parallel tape conductors with fixed share of transport current in external magnetic field

T. Hayashi; Kazuhiro Kajikawa; Masataka Iwakuma; K. Funaki

doi:10.1016/j.physc.2005.03.053

Numerical calculations of AC losses in parallel tape conductors with fixed share of transport current in external magnetic field

T. Hayashi, Kazuhiro Kajikawa, Masataka Iwakuma, K. Funaki

Research output: Contribution to journal › Conference article

5 Citations (Scopus)

Abstract

We numerically calculate total AC losses in a single Bi-2223 tape carrying a transport current in an external magnetic field parallel or perpendicular to the tape face. We also carry out the calculations for two models of three-strand parallel conductor. One is without transposition, and the other is with optimum transposition so that the branch current in each strand becomes equal. It is confirmed the total AC losses fairly increase with the simultaneous application of transport current. It is also found that in the perpendicular field the total losses are scarcely dependent on transposition but on the number of strands in the smaller field amplitude. In the parallel field, the effect of the number of strands on the total AC losses is notable as well as transposition.

Original language	English
Pages (from-to)	1328-1332
Number of pages	5
Journal	Physica C: Superconductivity and its applications
Volume	426-431
Issue number	II
DOIs	https://doi.org/10.1016/j.physc.2005.03.053
Publication status	Published - Oct 7 2005
Event	Proceedings of the 17th Internatioanl Symposium on Superconductivity (ISS 2004) Advances in Superconductivity - Duration: Nov 23 2004 → Nov 25 2004

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1016/j.physc.2005.03.053

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Hayashi, T., Kajikawa, K., Iwakuma, M., & Funaki, K. (2005). Numerical calculations of AC losses in parallel tape conductors with fixed share of transport current in external magnetic field. Physica C: Superconductivity and its applications, 426-431(II), 1328-1332. https://doi.org/10.1016/j.physc.2005.03.053

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title = "Numerical calculations of AC losses in parallel tape conductors with fixed share of transport current in external magnetic field",

abstract = "We numerically calculate total AC losses in a single Bi-2223 tape carrying a transport current in an external magnetic field parallel or perpendicular to the tape face. We also carry out the calculations for two models of three-strand parallel conductor. One is without transposition, and the other is with optimum transposition so that the branch current in each strand becomes equal. It is confirmed the total AC losses fairly increase with the simultaneous application of transport current. It is also found that in the perpendicular field the total losses are scarcely dependent on transposition but on the number of strands in the smaller field amplitude. In the parallel field, the effect of the number of strands on the total AC losses is notable as well as transposition.",

author = "T. Hayashi and Kazuhiro Kajikawa and Masataka Iwakuma and K. Funaki",

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AU - Hayashi, T.

AU - Kajikawa, Kazuhiro

AU - Iwakuma, Masataka

AU - Funaki, K.

PY - 2005/10/7

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N2 - We numerically calculate total AC losses in a single Bi-2223 tape carrying a transport current in an external magnetic field parallel or perpendicular to the tape face. We also carry out the calculations for two models of three-strand parallel conductor. One is without transposition, and the other is with optimum transposition so that the branch current in each strand becomes equal. It is confirmed the total AC losses fairly increase with the simultaneous application of transport current. It is also found that in the perpendicular field the total losses are scarcely dependent on transposition but on the number of strands in the smaller field amplitude. In the parallel field, the effect of the number of strands on the total AC losses is notable as well as transposition.

AB - We numerically calculate total AC losses in a single Bi-2223 tape carrying a transport current in an external magnetic field parallel or perpendicular to the tape face. We also carry out the calculations for two models of three-strand parallel conductor. One is without transposition, and the other is with optimum transposition so that the branch current in each strand becomes equal. It is confirmed the total AC losses fairly increase with the simultaneous application of transport current. It is also found that in the perpendicular field the total losses are scarcely dependent on transposition but on the number of strands in the smaller field amplitude. In the parallel field, the effect of the number of strands on the total AC losses is notable as well as transposition.

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