Simulations of the Recovery Process of an Air-Coil SFCL

In this paper, a study of the recovery process of an air-coil superconducting fault current limiter (AC-SFCL) is done. Tests of an AC-SFCL prototype operating at normal conditions subjected to fault currents have been performed. After the interruption of the fault current, the system recovers its no...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2016-01, Vol.26 (1), p.1-6
Main Authors: Batista de Sousa, Wescley Tiago, Novaes Francis Dicler, Felipe, Goulart Dos Reis Martins, Flavio
Format: Article
Language:English
Subjects:
air-coil
Atmospheric modeling
Circuit faults
Computer simulation
Electrical measurements
Faults
Heat transfer
High-temperature superconductors
Impedance
Mathematical model
Mathematical models
Recovery
recovery time
Simulation
Superconducting Fault Current Limiter
Superconductivity
Temperature measurement
transient simulations
Windings
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Summary:In this paper, a study of the recovery process of an air-coil superconducting fault current limiter (AC-SFCL) is done. Tests of an AC-SFCL prototype operating at normal conditions subjected to fault currents have been performed. After the interruption of the fault current, the system recovers its normal conditions in such a way that the recovery process of the AC-SFCL can be analyzed under load. Simulations have been performed in order to determine temperature and impedance profiles along the recovery period. Furthermore, simulation data were compared with current and voltage measurements to support the simulation model. Measured and simulated results agree well. The calculated recovery time corresponds to only few current cycles.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2015.2507128