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Quench Characteristics of Flux-Lock Type Superconducting Fault Current Limiter According to The Number of YBCO  

Lee Sang-Il (조선대 공대 전기공학과)
Park Hyoung-Min (조선대 공대 전기공학과)
Choi Hyo-Sang (조선대 공대 전기공학과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers A / v.55, no.8, 2006 , pp. 329-333 More about this Journal
Abstract
We investigated the quench characteristics of a flux-lock type superconducting fault current limiter (SFCL) depending on the number of the serial connection between the superconducting elements at the subtractive polarity winding of a transformer. The flux-lock type SFCL consists of two coils. The primary coil is wound in parallel to the secondary coil through an iron core, and the secondary coil is connected to the superconducting elements in series. The operation of the flux-lock type SFCL can be divided into the subtractive and the additive polarity windings depending on the winding directions between the primary and secondary coils. In this paper, the analyses of voltage, current, and resistance of superconducting elements in serial connection were performed to increase the power capacity of flux-lock type SFCL. The power burden was reduced through the simultaneous quenching between the superconducting elements. This enabled the flux-lock type SFCL to be easy to increase the capacity of power system.
Keywords
자속구속형 초전도 한류기;초전도소자 직렬연결;동시퀜치;
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Times Cited By KSCI : 1  (Citation Analysis)
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