Dynamic magnetic properties of the Fe-based alloys under non-sinusoidal excitation

Jan Szynowski, Roman Kolano, Aleksandra Kolano-Burian, L. Varga

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Dynamic magnetic properties of a new FeCoNbBP alloy were measured under four types of voltage excitation: sinusoidal, triangular, square and ramp. Samples were prepared in a form of toroidal cores wound from melt-spun amorphous ribbons and subjected to suitable thermo-magnetic treatment in a transverse magnetic field. The measurements were carried out within a frequency range from 1 to 50 kHz using a computerized hysteresis loop tracer fitted with the function generator enabling non-sinusoidal voltage excitation. It was found that the core losses for this material clearly depend on excitation conditions and over the frequency range studied they were generally higher at triangular waveform and lower at square waveform compared to sinusoidal excitation. At the square wave voltage excitation, the differences were reaching 19%.

Original languageEnglish
JournalJournal of Magnetism and Magnetic Materials
Volume320
Issue number20
DOIs
Publication statusPublished - Oct 2008

Fingerprint

Magnetic properties
magnetic properties
Electric potential
excitation
Function generators
Hysteresis loops
waveforms
electric potential
frequency ranges
function generators
Magnetic fields
square waves
ramps
ribbons
tracers
hysteresis
magnetic fields

Keywords

  • Amorphous ribbon
  • Frequency dependence
  • Non-sinusoidal waveform
  • Power electronic converter
  • Power loss

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Dynamic magnetic properties of the Fe-based alloys under non-sinusoidal excitation. / Szynowski, Jan; Kolano, Roman; Kolano-Burian, Aleksandra; Varga, L.

In: Journal of Magnetism and Magnetic Materials, Vol. 320, No. 20, 10.2008.

Research output: Contribution to journalArticle

Szynowski, Jan ; Kolano, Roman ; Kolano-Burian, Aleksandra ; Varga, L. / Dynamic magnetic properties of the Fe-based alloys under non-sinusoidal excitation. In: Journal of Magnetism and Magnetic Materials. 2008 ; Vol. 320, No. 20.
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