Eddy current power losses in a toroidal laminated core with rectangular cross section

Author

Markovic, Miroslav ; Perriard, Yves

Author_Institution

Integrated Actuators Lab. (LAI), Ecole Polytech. Fed. de Lausanne (EPFL), Lausanne, Switzerland

fYear

2009

fDate

15-18 Nov. 2009

Firstpage

1

Lastpage

4

Abstract

The paper presents a completely analytical solution for the magnetic field, the induced eddy currents and corresponding losses in a toroidal laminated core with a rectangular cross section. The diffusion equation is analytically solved using a separation of variables in a cylindrical coordinate system, and accurate conditions for the weak and strong diffusion effect are determined. An equivalent resistance corresponding to the eddy current losses is defined and determined. The results are experimentally verified.

Keywords

eddy current losses; laminations; magnetic cores; cylindrical coordinate system; diffusion equation; eddy current power losses; rectangular cross section; toroidal laminated core; Actuators; Eddy currents; Equations; Laboratories; Lamination; Magnetic analysis; Magnetic cores; Magnetic materials; Magnetic separation; Toroidal magnetic fields; Diffusion equation; Eddy currents; Toroidal cores;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Machines and Systems, 2009. ICEMS 2009. International Conference on

Conference_Location

Tokyo

Print_ISBN

978-1-4244-5177-7

Electronic_ISBN

978-4-88686-067-5

Type

conf

DOI

10.1109/ICEMS.2009.5382736

Filename

5382736