Additional AC Loss Properties of Three-Strand Transposed Parallel Conductors Composed of REBa2Cu3OyTapes

Yuki Omanyuda; Shun Miura; Masataka Iwakuma

doi:10.1109/TASC.2021.3062792

Additional AC Loss Properties of Three-Strand Transposed Parallel Conductors Composed of REBa₂Cu₃O_yTapes

Yuki Omanyuda, Shun Miura, Masataka Iwakuma

Applied Energy Engineering

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

2 Citations (Scopus)

Abstract

The additional AC loss due to forming three-strand transposed parallel conductors with REBa2Cu3Oy(REBCO, RE = rare earth) superconducting tapes, are investigated theoretically and experimentally. In this study, supposing that the two transposition points deviate by arbitrary length from optimal ones in three-strand parallel conductor, the theoretical expression of the additional AC loss was derived. For the derivation of theoretical expressions, the voltage-current characteristics of REBCO tapes were taken into account by using a n-value model. The additional AC loss was measured via pick-up-coil method under an applied AC magnetic field with various amplitudes and frequencies. The validity of the theoretical expressions was confirmed by accordance between theory and experiment.

Original language	English
Article number	9366992
Journal	IEEE Transactions on Applied Superconductivity
Volume	31
Issue number	5
DOIs	https://doi.org/10.1109/TASC.2021.3062792
Publication status	Published - Aug 2021

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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abstract = "The additional AC loss due to forming three-strand transposed parallel conductors with REBa2Cu3Oy(REBCO, RE = rare earth) superconducting tapes, are investigated theoretically and experimentally. In this study, supposing that the two transposition points deviate by arbitrary length from optimal ones in three-strand parallel conductor, the theoretical expression of the additional AC loss was derived. For the derivation of theoretical expressions, the voltage-current characteristics of REBCO tapes were taken into account by using a n-value model. The additional AC loss was measured via pick-up-coil method under an applied AC magnetic field with various amplitudes and frequencies. The validity of the theoretical expressions was confirmed by accordance between theory and experiment.",

author = "Yuki Omanyuda and Shun Miura and Masataka Iwakuma",

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PY - 2021/8

Y1 - 2021/8

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AB - The additional AC loss due to forming three-strand transposed parallel conductors with REBa2Cu3Oy(REBCO, RE = rare earth) superconducting tapes, are investigated theoretically and experimentally. In this study, supposing that the two transposition points deviate by arbitrary length from optimal ones in three-strand parallel conductor, the theoretical expression of the additional AC loss was derived. For the derivation of theoretical expressions, the voltage-current characteristics of REBCO tapes were taken into account by using a n-value model. The additional AC loss was measured via pick-up-coil method under an applied AC magnetic field with various amplitudes and frequencies. The validity of the theoretical expressions was confirmed by accordance between theory and experiment.

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Additional AC Loss Properties of Three-Strand Transposed Parallel Conductors Composed of REBa₂Cu₃O_yTapes

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