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Type: Artigo de evento
Title: Design And Test Of Hts Coils For Resistive Fault Current Limiter
Author: Baldan C.A.
Shigue C.Y.
Pinatti D.G.
Ruppert-Filho E.
Freitas R.C.
Homrich R.P.
Abstract: This paper presents the design, manufacturing and test results of HTS coils for single-phase resistive current limiters using two different Bi-2223/Ag tapes. Two coils were separately wound on cylindrical G-10 tubes with helical path. One of the coil was wound in a bifilar conductor arrangement aiming at reducing the self-inductance. The maximum flux density is 40 mT on the HTS tape for both coils and the calculated inductance is 5.76 μH for the noninductively wound coil and 28.3 μH for the conventional one. The two coils were individually tested under DC and AC currents. The DC power loss was calculated from the measured voltage-current values product and the AC power loss was determined by the liquid nitrogen mass boil-off measurement. The acquired voltage AC waveforms were analyzed through the separation of distinct contributions due to magnetic flux and to a resistive component in-phase with the current It was observed an inflection point common to the DC and AC power losses curves close to Ic attributed to the AC transition current.
Rights: fechado
Identifier DOI: 10.1109/TASC.2004.830303
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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