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전기학회논문지 = The Transactions of the Korean Institute of Electrical Engineers v.56 no.12, 2007년, pp.2078 - 2083   피인용횟수: 2
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

2차 권선의 연결방법에 따른 변압기형 초전도 한류기의 특성
Characteristics of Transformer-Type SFCL according to the Connecting Methods of Secondary Coils

조용선    (조선대 공대 전기공학과   ); 박형민    (조선대 공대 전기공학과   ); 정수복    (조선대 공대 전기공학과   ); 최효상    (조선대 공대 전기공학과  );
  • 초록

    We have analyzed operating characteristics of transformer-type superconducting fault current limiter (SFCL) according to the serial or parallel connections of secondary coils with $YBa_2Cu_3O_7$ (YBCO) thin films. The turn ratio between the primary and secondary coils was 63:21. Transformer-type SFCL using a transformer with secondary winding of serial or parallel coils could reduce the unbalanced quench caused by differences of the critical current density between YBCO thin films. We found that transformer-type SFCL having serial or parallel connections induced simultaneous quench between the superconducting units. The limiting current in the transformer-type SFCL with a parallel connection was lowered to 30 % compared to the SFCL with a serial connection. In the meantime, when the currents generated in the superconducting units were similar, the voltage value in the parallel connection was 60 % as low as that in the serial connection. However, the voltage generated in the primary winding was some higher. In conclusion, we found that transformer-type SFCL with parallel connection of secondary coils was more effective in fault current limiting characteristics and in the reduction of the consumption power for superconducting units compared to those of the transformer-type SFCL with serial connection of secondary coils.


  • 주제어

    transformer-type SFCL .   serial or parallel connections .   fault current limiting characteristics.  

  • 참고문헌 (5)

    1. S. Kozak, and T. Janowski, 'Physical and numerical models of superconducting fault current limiters,' IEEE Trans. Appl. Supercond., Vol. 13, pp. 2068-2071, June 2003 
    2. C.A Baldan, C.Y. Shigue, D.S.S. Figueira, E.R Filho, and R.C. Freitas, 'Test results of a superconducting FCL using bifilar coil of BSCCO-2212,' IEEE Trans. Appl. Supercond., Vol. 16, pp. 695-698, June 2006 
    3. Hyo-Sang Choi, Ok-Bae Hyun, Hye-Rim Kim and Kwon-Bae Park, 'Switching properties of hybrid type superconducting fault current limiter using YBCO stripes,' IEEE Trans. Appl. Supercond., Vol. 12, pp. 1833-1838, Sep. 2002 
    4. Hyo-Sang Choi, Yong-Sun Cho, and Sung-Hun Lim, 'Operational characteristics of hybrid-type SFCL by the number of secondary windings with YBCO films,' IEEE Trans. Appl. Supercond., Vol. 16, pp. 719-722, June 2006 
    5. T. Onishi, M. Kawasumi, K. Sasaki, and R Akimoto, 'An experimental study on a fast self-acting magnetic shield type superconducting fault current limiter,' IEEE Trans. Appl. Supercond., Vol. 12, pp. 868-871, Mar. 2002 
  • 이 논문을 인용한 문헌 (2)

    1. Choi, Soo-Geun ; Choi, Hyo-Sang 2010. "Characteristics on the Transformer-Type SFCL According to Reclosing Operation the Voltage Increase" 전기학회논문지. The Transactions of the Korean Institute of Electrical Engineers. P, 59(4): 477~480     
    2. Chung, Dong-Chul ; Han, Tae-Hee 2011. "Electromagnetic Field Distribution of Reactors for Matrix-type SFCLs under Triple Lines-to-Ground Faults" 전기학회논문지 = The Transactions of the Korean Institute of Electrical Engineers, 60(2): 459~463     

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