Publicação: Test results of fault current limiter using YBCO tapes with shunt protection
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Resumo
A Fault Current Limiter (FCL) based on high temperature superconducting elements with four tapes in parallel were designed and tested in 220 V line for a fault current peak between 1 kA to 4 kA. The elements employed second generation (2G) HTS tapes of YBCO coated conductor with stainless steel reinforcement. The tapes were electrically connected in parallel with effective length of 0.4 m per element (16 elements connected in series) constituting a single-phase unit. The FCL performance was evaluated through over-current tests and its recovery characteristics under load current were analyzed using optimized value of the shunt protection. The projected limiting ratio achieved a factor higher than 4 during fault of 5 cycles without degradation. Construction details and further test results will be shown in the paper. © 2010 IOP Publishing Ltd.
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Effective length, Fault currents, Fault-current limiter, High temperature superconducting, HTS tapes, Load currents, Over current, Second generation (2G), Stainless steel reinforcement, Test results, YBCO coated conductors, YBCO tape, Critical current density (superconductivity), Electric fault currents, High temperature superconductors, Limiters, Stainless steel, Superconductivity, Yttrium barium copper oxides, Superconducting tapes
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Inglês
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Journal of Physics: Conference Series, v. 234, n. PART 3, 2010.