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http://dx.doi.org/10.5370/KIEE.2012.61.11.1752

Characteristics of a FCL Applying Fast Interrupter According to the Current Limitation Elements  

Im, In-Gyu (조선대학교 전기공학과)
Choi, Hyo-Sang (조선대학교 전기공학과)
Jung, Byung-Ik (조선대학교 전기공학과)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.61, no.11, 2012 , pp. 1752-1757 More about this Journal
Abstract
With the development in industry, power demand has increased rapidly. As consumption of power has increased, Demand for new power line and electric capacity has risen. However, in the event of fault, problems occur in extending the range of fault coverage and increasing fault current. In these reasons, protection devise is recognized as the prevention of an accident and fault current. This paper dealt with minimizing fault propagation and limiting fault current by adjusting fault current limiter (FCL) with fast interrupter. At this point, we compared and analyzed characteristics between non-inductive resistance and fault current which is limited by superconducting units. In normal state of the power system, power was supplied to the load, but when fault occurred, the interrupter was operated as CT which detected the over-current. Its operation made the limitation of fault current through a FCL. We concluded that the limiter using superconducting units was more efficient with the increase of power voltage. Superconducting fault current limiter with the fast interrupter prevented the spread of a fault, and improved reliability of power system.
Keywords
Superconducting fault current limiter; Superconducting unit; Fault current; Fault current limiter; Interrupter; solenoid valve;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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