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

고속 인터럽터를 적용한 한류기의 전류제한요소에 따른 특성

  • Received : 2012.08.29
  • Accepted : 2012.10.24
  • Published : 2012.11.01

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

References

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Cited by

  1. Operation characteristics of a fault current limiter by high speed interrupter and a superconducting element vol.16, pp.3, 2014, https://doi.org/10.9714/psac.2014.16.3.010
  2. The Operational Characteristics of High-speed Interrupter by Fault Types vol.62, pp.2, 2013, https://doi.org/10.5370/KIEE.2013.62.2.278