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논문 상세정보

Abstract

As power systems grow more complex and power demands increase, the fault current tends to gradually increase. In the near future, the fault current will exceed a circuit breaker rating for some substations, which is an especially important issue in the Seoul metropolitan area because of its highly meshed configuration. Currently, the Korean power system is regulated by changing the 154kV system configuration from a loop connection to a radial system, by splitting the bus where load balance can be achieved, and by upgrading the circuit breaker rating. A development project applying a 154kV Superconducting Fault Current Limiter (SFCL) to 154kV transmission systems is proceeding with implementation slated for after 2010. In this paper, SFCL is applied to reduce the fault current in power systems according to two different application schemes and their technical and economic impacts are evaluated. The results indicate that both application schemes can regulate the fault current under the rating of circuit breaker, however, applying SFCL to the bus-tie location is much more appropriate from an economic view point.

참고문헌 (5)

  1. R. Mikkonen, ‘Highlights of SC Power Applications in Europe,’ IEEE Trans on Applied Superconductivity Vol.12, No.1, pp 782-787, March 2002 
  2. Hak Man Kim and Jong Yul Kim, ‘Feasibility Study of Superconducting Fault Current Limiter Application to Korean Power System’, Journal of the Korea Institute of ASC Vol.5, No. 1, pp. 102-106, 2003 
  3. M. Sjostrom and D. Politano, ‘Technical and Economical Impacts on a Power System by Introducing an HTS FCL,’ IEEE Trans on Applied Superconductivity, Vol. 11, No. 1, pp. 2042-2045, March 2001 
  4. R. S. Sokolowski, ‘Power Applications of Superconductivity in Japan and Germany,’WTEC Panel Report, 1997 
  5. L.R.Lawrence.Jr, C.Cox and D.Broman, ‘High Temperature Superconductivity: The Products and Their Benefits,’ Bob Lawrence & Associates, Inc, 2000 

이 논문을 인용한 문헌 (3)

  1. Kim Jong-Yul ; Yoon Jae Young ; Lee Seung Rvul 2005. "A Study on the Bus-Tie Application of 154kV HTS-FCL in Korean Power System" 전기학회논문지. The transactions of the Korean Institute of Electrical Engineers. A / A, 전력기술부문, 54(5): 226~233 
  2. Lee Seung Ryul ; Kim Jong-Yul ; Yoon Jae Young 2005. "A Study on SFCL Systems for Future Korean T&D Power System Application Considering Auto Reclosing Actions of Protection System" 전기학회논문지. The transactions of the Korean Institute of Electrical Engineers. A / A, 전력기술부문, 54(12): 580~585 
  3. 2009. "" 한국초전도·저온공학회논문지 = Superconductivity and cryogenics, 11(4): 29~32 

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