Experimental method for characterizing electrical steel sheets in the normal direction

Experimental method for characterizing electrical steel sheets in the normal direction

This paper proposes an experimental method to characterise magnetic laminations in the direction normal to the sheet plane. The principle, which is based on a static excitation to avoid planar eddy currents, is explained and specific test benches are proposed. Measurements of the flux density are ma...

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Veröffentlicht in:Sensors (Basel, Switzerland) Switzerland), 2010-10, Vol.10 (10), p.9053-9064
Hauptverfasser: Hihat, Nabil, Lecointe, Jean Philippe, Duchesne, Stephane, Napieralska, Ewa, Belgrand, Thierry
Format: Artikel
Sprache:eng
Schlagworte:
Anisotropy
electrical steel sheet
Electricity
Experimental methods
Lasers
magnetic anisotropy
magnetic measurement
Magnetics
Measurement techniques
Models, Theoretical
Permeability
Research methodology
Sensors
Steel
Velocity
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Beschreibung
Zusammenfassung:This paper proposes an experimental method to characterise magnetic laminations in the direction normal to the sheet plane. The principle, which is based on a static excitation to avoid planar eddy currents, is explained and specific test benches are proposed. Measurements of the flux density are made with a sensor moving in and out of an air-gap. A simple analytical model is derived in order to determine the permeability in the normal direction. The experimental results for grain oriented steel sheets are presented and a comparison is provided with values obtained from literature.
ISSN:1424-8220
1424-8220
DOI:10.3390/s101009053