Modelling HTS coils with different coupling scenarios via integral method

Calvin C. T. Chow; Min Zhang; K. T. Chau; Francesco Grilli

doi:10.1109/tasc.2024.3450991

Modelling HTS coils with different coupling scenarios via integral method

Calvin C. T. Chow, Min Zhang^*, K. T. Chau, Francesco Grilli

^*Corresponding author for this work

Electronic And Electrical Engineering

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

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Abstract

High-temperature superconducting (HTS) tapes can be stacked together to form cables which are then wound into coils for potential use in electrical machines. The tapes in the cable can either be uncoupled (insulated from each other), coupled-at-ends (coupled at the terminals of the cable), or fully coupled (electrically connected with each other). The integral method can readily model the uncoupled scenario, and this paper extends the integral method to model the coupled-at-ends and fully coupled scenarios. We find that the proposed method has a time advantage over the well-established T-A formulation of Maxwell's equations.

Original language	English
Pages (from-to)	1-9
Number of pages	9
Journal	IEEE Transactions on Applied Superconductivity
Volume	34
Issue number	9
Early online date	11 Sept 2024
DOIs	https://doi.org/10.1109/tasc.2024.3450991
Publication status	Published - Dec 2024

Funding

This work was supported in part by two grants (Project Numbers 17204021 and T23-701/20-R) from the Hong Kong Research Grants Council, Hong Kong Special Administrative Region, China.

Keywords

HTS modelling
integral method
J-model
multi-tape superconducting cable

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10.1109/tasc.2024.3450991

Chow-etal-Modelling-HTS-coils-with-different-coupling-scenarios-via-integral-methodAccepted author manuscript, 1.64 MBLicence: CC BY 4.0

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AU - Chow, Calvin C. T.

AU - Zhang, Min

AU - Chau, K. T.

AU - Grilli, Francesco

PY - 2024/12

Y1 - 2024/12

N2 - High-temperature superconducting (HTS) tapes can be stacked together to form cables which are then wound into coils for potential use in electrical machines. The tapes in the cable can either be uncoupled (insulated from each other), coupled-at-ends (coupled at the terminals of the cable), or fully coupled (electrically connected with each other). The integral method can readily model the uncoupled scenario, and this paper extends the integral method to model the coupled-at-ends and fully coupled scenarios. We find that the proposed method has a time advantage over the well-established T-A formulation of Maxwell's equations.

AB - High-temperature superconducting (HTS) tapes can be stacked together to form cables which are then wound into coils for potential use in electrical machines. The tapes in the cable can either be uncoupled (insulated from each other), coupled-at-ends (coupled at the terminals of the cable), or fully coupled (electrically connected with each other). The integral method can readily model the uncoupled scenario, and this paper extends the integral method to model the coupled-at-ends and fully coupled scenarios. We find that the proposed method has a time advantage over the well-established T-A formulation of Maxwell's equations.

KW - HTS modelling

KW - integral method

KW - J-model

KW - multi-tape superconducting cable

U2 - 10.1109/tasc.2024.3450991

DO - 10.1109/tasc.2024.3450991

M3 - Article

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VL - 34

SP - 1

EP - 9

JO - IEEE Transactions on Applied Superconductivity

JF - IEEE Transactions on Applied Superconductivity

IS - 9

ER -

Modelling HTS coils with different coupling scenarios via integral method

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Keywords

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