"

Cookies ussage consent

Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our site without changing the browser settings you grant us permission to store that information on your device.

I agree, do not show this message again.

Magnetic measurements of soft magnetic materials and hysteresis modelling using LabVIEW programs

S. MOTOASCA1,* , A. NICOLAIDE1, E. HELEREA1

Affiliation

  1. Department of Electrical Engineering, Transilvania University of Braşov,Eroilor street, No. 29, Braşov, Romania

Abstract

The paper presents some experiments that have been carried out on toroidal cores on which two coils have been wound. In the primary coil a current of the desired waveform was introduced, and at the terminals of secondary coil another voltage proportional to the time derivative of the magnetic flux density was acquired. At the terminals of a resistance inserted in primary circuit, is acquired a voltage, proportional to the supply current and respectively with the magnetic field strength. From acquired voltages it was possible, after a certain arithmetic calculus, to draw the hysteresis cycle. After measurements it was made a modelling of major hysteresis cycle using lines and circle segments. For comparison the measured hysteresis cycle and simulated one are plotted on the same graph..

Keywords

Solid core, Sheet core, Primary coil, Secondary coil, Hysteresis.

Submitted at: April 1, 2008
Accepted at: July 1, 2008

Citation

S. MOTOASCA, A. NICOLAIDE, E. HELEREA, Magnetic measurements of soft magnetic materials and hysteresis modelling using LabVIEW programs, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 7, pp. 1847-1852 (2008)