Reduction of high-frequency conduction losses using a planar litz structure

IEEE Transactions on Power Electronics

Volumn 20, Issue 2, 2005, Pages 261-267

  Wang, Shen ^a   de Rooij, Michael Andrew ^b   Odendaal, Willem Gerhardus ^a   van Wyk, Jacobus Daniel ^a   Boroyevich, Dushan ^a  

^a VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY   (United States)

^b GENERAL ELECTRIC COMPANY   (United States)

Author keywords

Finite element modeling (FEM); Planar litz conductor

Indexed keywords

COMPUTER SIMULATION; ELECTRIC COILS; ELECTRIC CONDUCTORS; ELECTRIC CURRENT DISTRIBUTION; ELECTRIC LOSSES; ELECTRIC WINDINGS; FINITE ELEMENT METHOD; MAGNETIC FIELD EFFECTS; MAGNETIC FLUX; MATHEMATICAL MODELS;

FINITE ELEMENT MODELING (FEM); FLUX LINKAGE; HIGH FREQUENCY CONDUCTION LOSSES; PLANAR LITZ CONDUCTOR; PLANAR LITZ STRUCTURE; WINDING WINDOW;

POWER CONVERTERS;

EID: 17444400384     PISSN: 08858993     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPEL.2004.843022     Document Type: Article

References (15)

1. C. R. Sullivan, "Optimal choice for number of strands in a litz-wire transformer winding," IEEE Trans. Power Electron., vol. 14, no. 2, pp. 283-291, Mar. 1999.
2. F. Tourkhani and P. Viarouge, "Accurate analytical model of winding losses in round litz wire windings," IEEE Trans. Magn., vol. 37, no. 1, pp. 538-543, Jan. 2001.
3. J. P. Vandelac and P. D. Ziogas, "Novel approach for minimizing high-frequency transformer copper losses," IEEE Trans. Power Electron., vol. 3, no. 4, pp. 266-277, Jul. 1988.
4. M. Bartoli, N. Noferi, A. Reatti, and M. K. Kazimierczuk, "Modeling litz-wire winding losses in high-frequency power inductors," in Proc. IEEE 27th Annu. Power Electronics Specialists Conf. (PESC'96), vol. 2, 1996, pp. 1690-1696.
5. J. Schutz, J. Roudet, and A. Schellmanns, "Modeling litz wire windings," in Proc. IEEE 32nd Industry Applications Soc. Conf. Annu. Meeting (IAS), vol. 2, 1997, pp. 1190-1195.
6. B. Carsten, "Optimal air-gap design in high-frequency foil windings," IEEE Trans. Power Electron., vol. 13, no. 5, pp. 942-949, Sep. 1998
7. M.A. de Rooij, J. T. Strydom, and J. D. van Wyk, "Planar litz - a method to reduce high frequency conduction losses in integrated components," in Proc. Center Power Electronic Systems Annu. Sem., Blacksburg, VA, Apr. 2003.
8. J. Lammeraner and M. Stafl, Eddy Currents. London, U.K.: Illiffe Books, 1966.
9. P. L. Dowell, "Effects of eddy currents in transformer Windings," Proc. Inst. Elect. Eng., vol. 113, Aug 1966.
10. J. A. Ferreira, Electromagnetic Modeling of Power Electronic Converters. Boston, MA: Kluwer, 1989.
11. W. G. Odendaal, "A generic approach for the modeling of high power density magnetic components," Ph.D. dissertation, Rand Afrikaans Univ., Johannesburg, South Africa, May 1997.
12. J. A. Ferreira, "Analytical computation of ac resistance of round and rectangular litz wire windings," Proc. Inst. Elect. Eng. B, vol. 139, pp. 21-25, Jan. 1992.
13. J. A. Ferreira and J. D. Van Wyk, A New Method for the More Accurate Determination of Conductor Losses in Power Electronic Converter Magnetic Components. London, U.K.: Institution of Electrical Engineers, 1975.
14. N. H. Kutkut, D. W. Novotny, D. M. Divan, and E. Yeow, "Analysis of winding losses in high frequency foil wound inductors," in Proc. Industry Applications Conf., vol. 1, 1995, pp. 859-867.
15. J. A. Ferreira, "Improved analytical modeling of conductive losses in magnetic components," IEEE Trans. Power Electron., vol. 9, no. 1, pp. 127-131, Jan. 1994.