Methodologies for coupled transient electromagnetic-thermal finite-element modeling of electrical energy transducers

The coupled transient computation of the interacting electromagnetic-thermal fields in electrical energy transducers containing significantly different time constants is discussed. Methodologies to deal with the numerical stiffness, encountered in the magnetic field, thermal field and loss computati...

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Bibliographic Details
Published in:IEEE transactions on industry applications 2002-09, Vol.38 (5), p.1244-1250
Main Authors: Driesen, J., Belmans, R.J.M., Hameyer, K.
Format: Article
Language:English
Subjects:
Computation
Conducting materials
Electromagnetic coupling
Electromagnetic fields
Electromagnetic modeling
Electromagnetic transients
Finite element method
Finite element methods
Magnetic fields
Mathematical analysis
Mathematical models
Pulse width modulation
Temperature
Transducers
Transformers
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Summary:The coupled transient computation of the interacting electromagnetic-thermal fields in electrical energy transducers containing significantly different time constants is discussed. Methodologies to deal with the numerical stiffness, encountered in the magnetic field, thermal field and loss computation, while using standard integration methods, are outlined. Such computation techniques are illustrated using two application examples: a permanent-magnet synchronous machine and a three-phase transformer.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2002.803024