Influence of Anisotropy on Specific Loss Components in Grain Oriented Electrical Steel

Abstract:

Electrical steel sheets play an important role in magnetic circuit core design of electrical machines. Electrical steel are graded depending on value of specific total loss (P_S). According to the present knowledge the P_S loss consists of three components: hysteresis loss and both classical and additional eddy current loss components. Magnetic properties depend on direction of magnetization i.e. magnetocrystalline anisotropy. The determination of the specific power loss separation of electrical steel sheets in different direction to rolling direction have been performed using non-standard single sheet tester. Specific total loss was separated into hysteresis, eddy current and excess loss components. The relationship between the hysteresis and additional loss components and the magnetic anisotropy was analyzed. The aim of this paper is to provide a contribution to the better understanding of specific total loss in electrical steel with Goss texture.

• Periodical: Solid State Phenomena (Volume 214)
• Pages: 138-142
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.214.138
• Online since: February 2014
• Authors: Wojciech A. Pluta
• Keywords: Anisotropy, Electrical Steel, Loss Components, Specific Total Loss

References

[1] A.J. Moses : Electrical steel: past present and future developments. IEE Proceedings, Vol. 137, Pt.A, Nr 5 (1990) 233-245

[2] B.D. Cullity: Introduction to Magnetic Materials. Addison-Wesley Publishing Company (1972)

[3] T. Kubota et.al.: Recent progress and future trend on grain-oriented silicon steel. JMMM Vol. 215-216 (2000) 69-73

DOI: 10.1016/s0304-8853(00)00069-x

[4] Y. Ushigami et.al.: Recent development of low loss grain-oriented silicon steel. JMMM, Vol. 254-255 (2003) 307-314

DOI: 10.1016/s0304-8853(02)00933-2

[5] M. Soiński, A.J. Moses., Handbook of Magnetic Materials, Elsevier Science B.V., Vol. 8 (1994)

[6] DAQ M Series, M Series User Manual, National Instruments (2008)

[7] IEC 404-3:1999; Magnetic materials. Methods of measurements of soft magnetic properties of electrical steel and type with the use of single sheet tester

[8] Pluta W.: Some properties of factors of specific total loss components in electrical steel. IEEE Trans. Magn., vol. 46, no. 2 (2010) 322 – 325

DOI: 10.1109/tmag.2009.2033559

[9] R. Bozorth: Ferromagnetism. New York, D. van Nostrand Co, (1956)

[10] Yo Sakaki, An approach estimating the number of domain walls and eddy current losses in grain-oriented 3% Si-Fe tape wound cores, IEEE Trans. on Magnetics, 16 no 4 (1980) 569-572

DOI: 10.1109/tmag.1980.1060653

[11] F. Fiorillo, A. Novikov, An improved approach to power losses in magnetic laminations under nonsinusoidal induction waveform, IEEE Trans. Magn., vol. 26, no. 5 (1990) 2904 – 2910

DOI: 10.1109/20.104905

[12] W. Pluta, Measurements of magnetic properties of electrical steel sheets for the aim of loss separation., Journal of Electrical Engineering, 12 (2011) 122-127

[13] K. J. Overshoot, The use of domain observations in understanding and improving the magnetic properties of transformer steels. IEEE Trans. on Magnetics, 12 no 6 (1976) 840 - 845

DOI: 10.1109/tmag.1976.1059118

[14] A. Ferro, G. Montalenti, G. P. Soardo, On linearity anomaly of power losses vs. frequency in various soft magnetic materials, IEEE Trans. on Magnetics , 11 no. 5 (1975) 1341 – 1343

DOI: 10.1109/tmag.1975.1058895

[15] G. Berttoti, "Hysteresis in magnetism", Academic Press, (1998)

[16] W. Pluta, Directional properties of loss components in electrical steel sheets. presented at 12th International Workshop on 1 & 2 Dimensional Magnetic Measurement and Testing, 2012, Vienna, Austria