Design considerations for a medium frequency transformer in a line side power conversion system

PESC Record - IEEE Annual Power Electronics Specialists Conference

Volumn 1, Issue , 2004, Pages 704-710

  Kjellqvist, Tommy ^a   Norrga, Staffan ^a   Östlund, Stefan ^a  

^a ROYAL INSTITUTE OF TECHNOLOGY   (Sweden)

Author keywords

[No Author keywords available]

Indexed keywords

SOFT COMMUTATION; SWITCHING LOSSES; VOLTAGE SOURCE CONVERTERS (VSC);

BOUNDARY LAYERS; DIELECTRIC MATERIALS; ELECTRIC COMMUTATION; ELECTRIC INSULATION; ELECTRIC RAILROADS; ELECTRIC TRACTION; GRAVITATIONAL EFFECTS; HEAT FLUX; HEAT TRANSFER COEFFICIENTS; POWER CONVERTERS; SWITCHING;

ELECTRIC TRANSFORMERS;

EID: 8744291981     PISSN: 02759306     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/PESC.2004.1355834     Document Type: Conference Paper

References (11)

1. S. Östlund, "A primary switched converter system for traction applications," Ph.D. dissertation, KTH, Stockholm, Sweden, 1991.
2. P. Kjaer, S. Norrga, and S. Östlund, "A primary-switched line-side converter using zero-voltage switching," IEEE Trans. Ind. Applicat., vol. 37, pp. 1824-1831, Nov/Dec. 2001.
3. L. Heinemann, "An actively cooled high power, high frequency transformer with high insulation capability," in Applied Power Electronics Conference and Exposition, 2002. APEC 2002. Seventeenth Annual IEEE, vol. 1, 2002, pp. 352-357.
4. A. Rufer, N. Schibli, C. Chabert, and C. Zimmermann, "Configurable front-end converters for multicurrent locomotives operated on 16 2/3 hz ac and 3 kv dc systems," IEEE Trans. Power Electron., vol. 18, pp. 1186-1193, Sept. 2003.
5. S. Norrga, "A soft-switched bi-directional isolated ac/dc converter for ac-fed railway propulsion applications," in International Conference on Power Electronics, Machines and Drives, 2002, June 2002, pp. 433-438.
6. "Method of producing flat stranded magnetic conductor cable," U.S. Patent 4 439 256, Feb. 18, 1981.
7. J. Ferreira, "Improved analytical modeling of conductive losses in magnetic components," IEEE Trans. Power Electron., vol. 9, pp. 127-131, Jan. 1994.
8. R. L. Stoll, The analysis of eddy currents. Oxford: Clarendon Press, 1974.
9. W. M. Flanagan, Handbook of Transformer Design & Applications, 2nd ed. McGraw-Hill, 1992.
10. S. A. Ryder, "A simple method for calculating winding temperature gradient in power transformers," IEEE Trans. Power Delivery, vol. 17, pp. 977-982, Oct. 2002.
11. W. M. Rohsenow and J. P. Hartnett, Handbook of Heat Transfer. McGraw-Hill, 1973.