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An Electrometric Method with Real-time Transport AC Loss Measurement in Superconducting Tapes Based on Compensation Theory

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Abstract

High-temperature superconductors show great potential in power applications, but AC loss limits their large-scale application in industry. Therefore, accurate and real-time assessment of AC loss is important. In this thesis, a review of researches on fast AC loss measurements was presented. A digital compensation technique based on the compensation principle was proposed and a specific implementation was given. The method developed in this thesis performed AC loss measurements on a straight superconducting tape, while the previously established electrometric method based on coherent detection theory was used as a reference. The test results were in good agreement with the Norris analytical model, verifying the feasibility of the test method and demonstrating its real-time measurement capability.

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Acknowledgements

The authors were very grateful to Prof. Zhu for her convenience and guidance in the experiment.

Funding

This work was financially supported by the National Natural Science Foundation of China (No.11772025).

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Authors and Affiliations

  1. School of Astronautics, Beihang University, Changping, 102206, Beijing, China

    Dongbin Song, Wenjiang Yang, Mingliang Bai & Yu Liu

  2. Aircraft and Propulsion Laboratory, Ningbo Institute of Technology, Beihang University, Ningbo, 315100, Zhejiang, China

    Wenjiang Yang

  3. Chair of Nuclear Technology, Technical University of Munich (TUM), Garching, 85748, Munich, Germany

    Xiaodong Li

  4. China Electric Power Research Institute, Haidian, 100192, Beijing, China

    Jiahui Zhu

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  1. Dongbin Song
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  2. Wenjiang Yang
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  3. Xiaodong Li
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  4. Jiahui Zhu
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  5. Mingliang Bai
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  6. Yu Liu
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Correspondence to Wenjiang Yang.

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Song, D., Yang, W., Li, X. et al. An Electrometric Method with Real-time Transport AC Loss Measurement in Superconducting Tapes Based on Compensation Theory. J Supercond Nov Magn 35, 2725–2730 (2022). https://doi.org/10.1007/s10948-022-06335-0

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  • DOI: https://doi.org/10.1007/s10948-022-06335-0

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