Theoretical Considerations of Magnetic Hysteresis and Transformer Inrush Current

This paper presents an application of a hysteresis model that is coupled to an equivalent network for the calculation of the inrush current due to an arbitrary excitation of a transformer after a fault. The approach proposed, although using several simplifying assumptions, seems promising in order t...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2009-11, Vol.45 (11), p.5247-5250
Main Authors: Cardelli, E., Della Torre, E., Esposito, V., Faba, A.
Format: Article
Language:English
Subjects:
Circuit faults
Circuits
Cross-disciplinary physics: materials science
rheology
Equivalence
Exact sciences and technology
Faults
Hysteresis
Inrush current
Magnetic cores
Magnetic flux
Magnetic hysteresis
Magnetism
Materials science
Mathematical models
Optimization
Other topics in materials science
Physics
Power system protection
Power system relaying
Power system transients
Power transformers
Surge protection
Transformer cores
Transformers
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Description
Summary:This paper presents an application of a hysteresis model that is coupled to an equivalent network for the calculation of the inrush current due to an arbitrary excitation of a transformer after a fault. The approach proposed, although using several simplifying assumptions, seems promising in order to calculate the optimal time to close the circuit after a fault.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2009.2031084