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Type: Artigo de evento
Title: Fault Current Limiter Using Ybco Coated Conductor-the Limiting Factor And Its Recovery Time
Author: Baldan C.A.
Lamas J.S.
Shigue C.Y.
Filho E.R.
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 mfi. © 2009 IEEE.
Rights: fechado
Identifier DOI: 10.1109/TASC.2009.2019043
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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