Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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The Study on the Current Limiting Characteristics of YBCO Coated Conductor with Different kinds of Stabilization Layer Applied to SFCL Using Iron Core and Coil

철심과 권선을 이용한 전류제한기에 적용시킨 안정화층이 다른 YBCO Coated Conductor의 전류제한 특성에 관한 연구

  • Lee, Dong-Heok (Electrical Engineering, Chonbuk National University) ;
  • Du, Ho-Ik (Advanced Graduate Education Center of Chonbuk for Electironics & Information Technology-BK21, Chonbuk National University) ;
  • Kim, Yong-Jin (Electrical Engineering, Chonbuk National University) ;
  • Han, Byoung-Sung (Electrical Engineering, Chonbuk National University) ;
  • Yim, Seong-Woo (Transmission and Distribution Laboratory, Korea Electric Power Research Institute) ;
  • Han, Sang-Chul (Green Growth Laboratory, Korea Electric Power Research Institute) ;
  • Lee, Jeong-Phil (Green Growth Laboratory, Korea Electric Power Research Institute)
  • 이동혁 (전북대학교 전기공학과) ;
  • 두호익 (전북대학교 전자정보고급인력양성사업단) ;
  • 김용진 (전북대학교 전기공학과) ;
  • 한병성 (전북대학교 전기공학과) ;
  • 임성우 (한국전력공사 전력연구원 송배전연구소) ;
  • 한상철 (한국전력공사 전력연구원 녹색성장연구소) ;
  • 이정필 (한국전력공사 전력연구원 녹색성장연구소)
  • Received : 2010.08.27
  • Accepted : 2010.09.20
  • Published : 2010.10.01
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Abstract

The yttrium-barium-copper-oxide (YBCO) coated conductor, which supplement the fault of the existing superconducting current-limit materials YBCO thin film, bismuth-strontium-calcium-copper-oxide(BSCCO) wire and bulk, has been improved its mechanical weakness and has high index; hence, after quench YBCO coated conductor could limit the fault current effectively because of fast resistance occurrence speed. Furthermore, it has wide applicable area as an current limit material because it shows different resistance occurrence tendency by the thickness and kind of stabilization material sputtered on the superconducting layer. Therefore, many researchers are carrying out the study of application of YBCO coated conductor to superconducting fault current limiter (SFCL) for making high quality current limit element, based on resistance type. On the other hand, the study for other type except resistance type has been rarely conducted for the application of YBCO coated conductor to SFCL as an current limit element. Consequently, in this study, YBCO coated conductor with different stabilization layer Cu and Stainless steel, is applied to SFCL using iron core and coil, and examine the many index points as an current limit element, such as current limit characteristic, the tendency of resistance occurrence, response time, the temperature trend for stability.

Keywords

References

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