Experimental Test of Two Types of Non-Inductive Solenoidal Coils for Superconducting Fault Current Limiters Use

Fei Liang, Weijia Yuan, Jiahui Zhu, Min Zhang, Sriharsha Venuturumilli, Jianwei Li, Jay Patel, Guoming Zhang, Zhenyu Zhang

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Growing electricity demand from a range of sources and the changes of the power grid structures open the possibility of more frequent and much higher fault current. Traditional solutions to the fault are difficult to satisfy the requirement of the new power grid due to many factors, such as high cost, additional impact to power grid in normal loading condition, which leads to the research for an efficient alternative solution of interest to both academia and industry: Superconducting fault current limiter (SFCL). In this paper, two types of low-inductance solenoidal coils, the braid type and the nonintersecting type, are built with 2G high-temperature superconductors. The current limiting performance, the recovery characteristics, and the ac losses of both types of coils are tested and compared in detail. Experimental results show that both types of coils can effectively limit fault current and recover in several seconds. Furthermore, comparison between the ac losses of both types of SFCLs shows that the ac loss of the braid type coil is lower than that of the single tape by about an order of magnitude in low-current regions.
Original languageEnglish
Article number5601505
JournalIEEE Transactions on Applied Superconductivity
Volume27
Issue number4
DOIs
Publication statusPublished - Jun 2017
Externally publishedYes

Keywords

  • SFCL
  • non-inductive solenoidal coil
  • current limiting property
  • recovery characteristic
  • AC loss
  • 2G HTS

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