Magnetic flux analysis in superconducting Fault Current Limiters under short-circuit conditions

Aracil, Jaime Cabanes, Lopez-Roldan, Joseph, Coetzee, Jacob Carl, Darmann, Frank, & Tang, Tee (2012) Magnetic flux analysis in superconducting Fault Current Limiters under short-circuit conditions. In Proceedings of the 2012 IEEE International Power System Technology (POWERCON), IEEE, Auckland, New Zealand, pp. 1-5.

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Abstract

In order to obtain a more compact Superconducting Fault Current limiter (SFCL), a special geometry of core and AC coil is required. This results in a unique magnetic flux pattern which differs from those associated with conventional round core arrangements. In this paper the magnetic flux density within a Fault Current Limiter (FCL) is described. Both experimental and analytical approaches are considered. A small scale prototype of an FCL was constructed in order to conduct the experiments. This prototype comprises a single phase. The analysis covers both the steady state and the short-circuit condition. Simulation results were obtained using commercial software based on the Finite Element Method (FEM). The magnetic flux saturating the cores, leakage magnetic flux giving rise to electromagnetic forces and leakage magnetic flux flowing in the enclosing tank are computed.

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ID Code: 57583
Item Type: Conference Paper
Refereed: Yes
Keywords: fault current limiters, finite element method, magnetic flux, saturable cores, short circuit currents
DOI: 10.1109/PowerCon.2012.6401397
ISBN: 9781467328685
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600)
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 25 Feb 2013 01:18
Last Modified: 26 Feb 2013 02:13

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