Experimental Setup for Measurement of AC Loss in HTS under Rotating Magnetic Field

Wafa Ali Soomro, Youguang Guo (), Haiyan Lu, Jianxun Jin, Boyang Shen and Jianguo Zhu
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Wafa Ali Soomro: Faculty of Engineering and IT, University of Technology Sydney, Sydney, NSW 2007, Australia
Youguang Guo: Faculty of Engineering and IT, University of Technology Sydney, Sydney, NSW 2007, Australia
Haiyan Lu: Faculty of Engineering and IT, University of Technology Sydney, Sydney, NSW 2007, Australia
Jianxun Jin: School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China
Boyang Shen: Electrical Engineering Division, University of Cambridge, Cambridge CB3 0FA, UK
Jianguo Zhu: School of Electrical and Information Engineering, University of Sydney, Sydney, NSW 2006, Australia

Energies, 2022, vol. 15, issue 21, 1-10

Abstract: High-temperature superconducting materials have shown great potential for the design of large-scale industry applications. However, they are complicated under AC conditions, resulting in penalties such as power loss or AC loss. This loss has to be considered in order to design reliable and efficient superconducting devices. Furthermore, when superconductors are used in rotating machines, they may be exposed to rotating magnetic fields, which is critical for the design of such machines. Existing AC loss measuring techniques are limited to measuring under one-dimensional AC magnetic fields or transport currents. Therefore, it is essential to develop and investigate robust experimental techniques to investigate the loss mechanism in HTS machines. In this paper, a new and novel experimental technique has been presented to measure AC loss in rotating magnetic field conditions. The loss under rotating magnetic fields is measured and compared by numerical modeling methods, and the results show a strong correlation with the numerical modeling and show the effectiveness of the experimental setup.

Keywords: high-temperature superconductor (HTS); HTS rotating machines; AC loss; rotating magnetic field (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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