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AC loss comparison between multifilament and nonstriated YBCO coils designed for HTS propulsion motors


Reference:

Xing, D., Patel, J., Sun, Q., Zhu, J., Zhang, G., Liang, F., Yuan, W. and Zhang, M., 2017. AC loss comparison between multifilament and nonstriated YBCO coils designed for HTS propulsion motors. IEEE Transactions on Applied Superconductivity, 27 (4), 5203005.

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Official URL:

https://doi.org/10.1109/TASC.2017.2669156

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Abstract

In this paper, the properties of current capacity and ac transport loss of striated high temperature superconductor (HTS) coil is compared with ordinary HTS coil by using both experimental and simulation methods. The measurements were carried out by transporting a sinusoidal varying current at 77 K, with an amplitude range of 10-50 A in frequency from 70 up to 300 Hz. Measurement facilities and methods are explained in more detail in the paper. The critical current of the 4-mm width multifilament coil made with four filaments at a spacing 0.03 mm was found to be lower than that of the nonstriated coil. The frequency dependent characteristics agreed well in both experimental and simulated results. Reducing ac loss of HTS is one enabling factor for widespread adoption of the technology, and therefore, understanding its characteristics is important and discussed in this paper. Future plans based on this preliminary work are the testing of multifilament tapes in an axial flux motor field environment.

Details

Item Type Articles
CreatorsXing, D., Patel, J., Sun, Q., Zhu, J., Zhang, G., Liang, F., Yuan, W. and Zhang, M.
DOI10.1109/TASC.2017.2669156
Related URLs
URLURL Type
http://www.scopus.com/inward/record.url?scp=85017583857&partnerID=8YFLogxKUNSPECIFIED
Uncontrolled Keywordsac loss,loss measurement,multi-filament superconductors,superconducting coils,electronic, optical and magnetic materials,condensed matter physics,electrical and electronic engineering
DepartmentsFaculty of Engineering & Design > Electronic & Electrical Engineering
Research CentresCentre for Sustainable Power Distribution
RefereedYes
StatusPublished
ID Code55400

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