Development of Saturated Iron Core HTS Fault Current Limiters
Ying Xin
Weizhi Gong
Xiaoye Niu
Zhengjian Cao
Jingyin Zhang
Bo Tian
Haixia Xi
Yang Wang
Hui Hong
Yong Zhang
Bo Hou
Xicheng Yang
Innopower Supercond. Cable Co. Ltd., Beijing;
This paper appears in: Applied Superconductivity, IEEE Transactions on
Publication Date: June 2007
Volume: 17,
Issue: 2, Part 2
On page(s): 1760-1763
Location: Virginia Beach, VA, USA,
ISSN: 1051-8223
INSPEC Accession Number: 9609961
Digital Object Identifier: 10.1109/TASC.2007.898181
Current Version Published: 2007-07-23
Abstract
We have been carrying out a saturable iron core reactive type superconducting fault current limiter (SFCL) development program since 2002. The major two disadvantages that people used to be foretold for a saturable iron core reactive type SFCL are the massive use of iron (resulting in large size, heavy weight, and high cost) and the high induced voltage hazard to the dc superconducting coil (this may damage the current supply of the dc bias) as a fault takes place. We have found the ways to deal with these two problems, making such kind of equipment reliable and cost effective. In this paper, we will report the technical data and testing results of a 3 phase lab testing model. Some key design parameters of the 35 kV/100 MVA prototype will also be presented.
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