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Type: Artigo de periódico
Title: Fault Current Limiter Using YBCO Coated Conductor-The Limiting Factor and Its Recovery Time
Author: Baldan, CA
Lamas, JS
Shigue, CY
Ruppert, E
Abstract: A fault current limiter (FCL) based on an arrangement of parallel connected high temperature superconducting tapes constituting a limiter element was designed and tested in 220 V line for a fault current peak between 1 kA to 2 kA. The limiter employed second generation (2G) HTS tapes of YBCO coated conductor reinforced with stainless steel. Four tapes were electrically connected in parallel with 0.4 m effective length per element wherein 16 elements connected in series constitutes a single-phase unit. The FCL performance was evaluated through over-current and current fault tests. Its recovery characteristics were used to design the shunt protection. The designed limiting ratio is 4 for 16 elements and the experimental result for one element showed a 20% limiting ratio. For the fault current test one element can withstand five cycles of fault without degradation. It was observed recovery times below 0.5 s under nominal load using a shunt resistance of 173 m Omega.
Subject: Current limiting ratio
superconducting fault current limiter
YBCO coated conductor
YBCO recovery characteristics
Country: EUA
Editor: Ieee-inst Electrical Electronics Engineers Inc
Citation: Ieee Transactions On Applied Superconductivity. Ieee-inst Electrical Electronics Engineers Inc, v. 19, n. 3, n. 1810, n. 1813, 2009.
Rights: fechado
Identifier DOI: 10.1109/TASC.2009.2019043
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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