In this paper, a comparison study, between the main different models using ohmic resistances for the eddy-currents in transformers magnetic cores, is conducted. Specifically, the selection of the suitable ohmic resistance, according to the study that is going to be conducted using an appropriate ...
The meaning of EDDY-CURRENT LOSS is loss of energy (as in electrical machinery or transformers) due to eddy currents in cores or conductors.
Asaduz- zaman, "Eddy currents in laminated rectangular cores," Progress In Electromagnetics Research, Vol. 83, 435-445, 2008.Mukerji S.K., George M., Ramamurthy M.B., Asaduzzaman K., Eddy currents in laminated rectan- gular cores. Progress in Electromagnetics Research 83: 435-445 (2008...
there is a change in magnetic flux. It is sometimes called Foucault current. Although eddy currents can be induced in any electrical conductor, the effect is most pronounced in solid metallic conductors. Eddy currents are utilized in induction heating and to damp out oscillations in various ...
Eddy currents in laminated rectangular cores A simplified expression for the eddy current loss in laminated rectangular core is obtained using linear electromagnetic field analysis. The treatment takes cognizance of current interruption phenomena, by considering capacitive effects ... SK Mukerji,M George,...
Eddy currents due to magnetic flux perpendicular to the sheets of a lamination iron core are represented on a number of 2D slice models, which are embedded in a 3D model of the entire device using a multi-scale technique. The choice of a different spatial resolution enables to attain an adv...
- 《Journal of Magnetism & Magnetic Materials》 被引量: 3发表: 2003年 Calculation of stray losses in a single-sided linear induction motor eddy current lossesstray lossessingle-sided linear induction motorThe paper describes a method of the stray losses calculation in single-sided linear induction...
Eddy Current Definition: Eddy currents are loops of electric current induced within conductors by a changing magnetic field. Eddy Current Loss: In transformers, eddy currents cause energy loss as heat, which can be minimized by using laminated cores. ...
the induced eddy currents generate another magnetic field so as to counter the actual magnetic field. This action resists the actual current flow in the conductor resulting in power loss in the form of heat. In AC motors, alternators, and transformers, eddy currents cause power loss in the ...
intensity and this delivers these circulating currents. The size of this current has direct proportion to the magnetic field size, loop cross-sectional area, and amount of change in the flux and has an inverse proportional rate to the conductor’sresistivity. This is the maineddy current ...