Test results of a superconducting fault current limiter using YBCO coated conductor
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2007-06-01
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Institute of Electrical and Electronics Engineers (IEEE)
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A single-phase superconducting fault current limiter (SFCL) using a 0.9 m length of YBCO coated conductor (CC) tape was tested in 220 V-60 Hz line for fault current up to 1 kA, operating in 77 K. In this work are presented the IN experimental curves measured under DC and AC currents for the electrical characterization of the CC tape in order to design a low voltage current limiter. The experimental setup is described and the test results are presented for a unit conducting a steady nominal AC current of 50 A and also during the fault time (I to 5 cycles.) the performance of the CC-based SFCL providing the limiting resistance developed in the whole tape length after few milliseconds of the beginning of the fault was analyzed.
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IEEE Transactions on Applied Superconductivity. Piscataway: IEEE-Inst Electrical Electronics Engineers Inc., v. 17, n. 2, p. 1903-1906, 2007.
