The Influence of Ferrite Characteristics on the Inductance of Coils With Rod Cores

The Influence of Ferrite Characteristics on the Inductance of Coils With Rod Cores

In this paper, the influence of material parameters on the inductance of a coil with a rod core is analytically calculated and verified by measurements and simulations. The magnetic field is split up into the field from the air coil alone and in a second part, which takes the influence of the rod co...

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Veröffentlicht in:IEEE transactions on magnetics 2007-06, Vol.43 (6), p.2618-2620
Hauptverfasser: Albach, M., Stadler, A., Spang, M.
Format: Artikel
Sprache:eng
Schlagworte:
Analytical models
Calculus
Coils
Cross-disciplinary physics: materials science
rheology
Eigenvalues
Eigenvalues and eigenfunctions
Equations
Exact sciences and technology
Ferrite
Ferrites
Inductance
Inductance measurement
Magnetic analysis
Magnetic cores
Magnetic field measurement
Magnetic fields
Magnetic materials
Magnetism
Materials science
Mathematical analysis
orthogonal expansion
Orthogonal functions
Other topics in materials science
Physics
rod core
Simulation
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Beschreibung
Zusammenfassung:In this paper, the influence of material parameters on the inductance of a coil with a rod core is analytically calculated and verified by measurements and simulations. The magnetic field is split up into the field from the air coil alone and in a second part, which takes the influence of the rod core into account. To calculate the influence of the core the field, equations are solved by means of an orthogonal expansion using piecewise defined orthogonal functions with complex eigenvalues. A matrix calculus is introduced in order to obtain a compact mathematical formulation and a relatively simple evaluation on a PC
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2007.893769