Magnetizing Characteristics of Bridge Type Superconducting Fault Current Limiter (SFCL) with Simultaneous Quench Using Flux-Coupling

Seok-Cheol Ko, Tae-Hee Han and Sung-Hun Lim
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Seok-Cheol Ko: Industry-University Cooperation Foundation, Kongju National University, Chungnam 32586, Korea
Tae-Hee Han: Department of Aero Materials Engineering, Jungwon University, Chungbuk 28024, Korea
Sung-Hun Lim: Department of Electrical Engineering, Soongsil University, 369, Sangdo-ro, Dongjak-gu, Seoul 06978, Korea

Energies, 2020, vol. 13, issue 7, 1-11

Abstract: A bridge type superconducting fault current limiter (SFCL) with simultaneous quench using two high-temperature superconducting (HTSC) elements and two coils was fabricated to analyze the fault current limiting characteristics. Before and after the fault occurrence, the current limiting operation and the voltage waveforms of each device were compared according to the change of the input voltage. We also analyzed flux linkages and instantaneous powers of the bridge type SFCL with simultaneous quench using flux-coupling composed of HTSC elements with different critical currents. During the fault period, the magnetization power area and the flux linkage’s operating range variation due to the magnetizing current were compared with each other.

Keywords: bridge type; flux-coupling; simultaneous quench; flux linkage; superconducting fault current limiter (SFCL) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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