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Experimental Analysis of Superconducting Fault Current Limiter Wound with Two Different HTS wires in Parallel

  • Kim, Ji-Tae (Department of Electronic Engineering, Kyungwon University) ;
  • Jang, Jae-Young (Department of Electrical and Electronic Engineering, Yonsei University) ;
  • Park, Dong-Keun (Department of Electrical and Electronic Engineering, Yonsei University) ;
  • Chang, Ki-Sung (Department of Electrical and Electronic Engineering, Yonsei University) ;
  • Kim, Young-Jae (Department of Electrical and Electronic Engineering, Yonsei University) ;
  • Ko, Tae-Kuk (Department of Electrical and Electronic Engineering, Yonsei University)
  • Published : 2008.05.31

Abstract

Several kinds of superconducting fault current limiters (SFCLs), which reduces huge fault current, have been developing by many research groups. The SFCL has no impedance during normal operation, so it dose not give any influence to electric power system. The resistive type SFCL reduces the fault current with the impedance generated in the superconducting part of the SFCL when the fault current exceeds the critical current of SFCL. In this paper, a new type resistive SFCL made of bifilar coil wound with two different high-Tc superconducting (HTS) wires in parallel. Although a bifilar coil has theoretically no inductance, the bifilar coil made in this paper could generate inductance at fault. The specifications of the used two wires were considerably different, thus current distribution between the two HTS wire was different at fault. When the fault current exceeded the critical current of one wire in the bifilar coil, the momentary sharp increase of impedance was detected. Base on the results, a new resistive type SFCL can generate not only resistance but also inductance, which can be used to control a fault current in the future.

Keywords

References

  1. D. K Park, M. C. Ahn, S. E. Yang, Y.S. Yoon, B. -Y. Seok, C. Lee, .-M Chang, T. K. Ko, "development of 220V/ 300 A Class Non-inductive Wingding Type Fault Current Limiter Using 2G HTS Wire," IEEE Trans. on Appl. supercon., vol.17, no.2, pp. 1863-1866, 2007 https://doi.org/10.1109/TASC.2007.897756
  2. Wolfgang Schmidt, Hans-Peter Kraemer, Heinz-Werner Neumueller, Urs Schoop, Darren Verebelyi, and Alexis P. Malozemoff, "Investigation of YBCO Coated Conductor for Fault Current Limiter Application," IEEE Trans. on Appl. Supercon, vol.17, no.2, pp.3471-3474, 2007 https://doi.org/10.1109/TASC.2007.899709
  3. D. K. Park, M. C. Ahn, S. Park, H. Kang, D. K. Bae, S. E. Yang, B, -Y. Seok, and T. K. Ko ,"An analysis and short circuit test of various types of Bi-2223 bifilar winding fault limiting module," IEEE Trans. on Appl. Supercon, vol. 16, no. 2, pp.703-706, 2006 https://doi.org/10.1109/TASC.2006.871266
  4. M. C. Ahn, D. K. Park, S. E. Yang, B. -Y. Seok, and T. K. Ko, "Impedance Characteristics of Non-inductive Coil Wound with Two Kinds of HTS Wire in Parallel," pesented at MT, 2007