Frontiers of Electrical and Electronic Engineering >

2012 , Vol. 7 >Issue 4: 386 - 390

DOI: https://doi.org/10.1007/s11460-012-0209-8

RESEARCH ARTICLE

Experimental investigation on frequency-dependent critical current of HTS tapes

  • Changhui DAI ,
  • Yinshun WANG ,
  • Xiaojie ZHANG ,
  • Weijie ZHAO ,
  • Xiao LI
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  • State Key Laboratory for Alternate Electrical Power System with Renewable Energy Sources, Beijing 102206, China; Key Laboratory of HV and EMC Beijing, Beijing 102206, China; North China Electric Power University, Beijing 102206, China

Received date: 13 May 2012

Accepted date: 04 Sep 2012

Published date: 05 Dec 2012

Copyright

2014 Higher Education Press and Springer-Verlag Berlin Heidelberg
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Abstract

Based on characteristics of alternating current (AC) critical current of high temperature superconducting (HTS) tapes on the frequency, this paper focuses on AC voltage-current (U-I) behaviors of two kinds of high temperature superconducting tapes, by which BSCCO and YBCO carrying different frequency AC currents are tested in liquid nitrogen temperature of 77 K. It is shown that the AC U-I characteristic curves of different tapes consist of two parts, that is, the resistive part and the hysteresis part. Additionally, the n values of the two parts and the relationship between AC critical current and frequency are obtained through experiments. The experimental results agree with calculated ones well, which is useful for the application of HTS tapes to power technology.

Key words： high temperature superconducting (HTS) tape; alternating current (AC) critical current; n value; frequency; AC voltage-current (U-I) behavior; four-probe technique

Cite this article

Changhui DAI , Yinshun WANG , Xiaojie ZHANG , Weijie ZHAO , Xiao LI . Experimental investigation on frequency-dependent critical current of HTS tapes[J]. Frontiers of Electrical and Electronic Engineering, 2012 , 7(4) : 386 -390 . DOI: 10.1007/s11460-012-0209-8

Acknowledgements

This work was supported in part by the National Natural Science Foundation of China (Grant No. 51077051).

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