Consideration for current sharing among parallel windings in planar transformers

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering

Volumn 25, Issue 14, 2005, Pages 146-150

  Kuang, Jian Jun ^a   Ruan, Xin Bo ^a   Ren, Xiao Yong ^a  

^a NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS   (China)

Author keywords

AC resistance; Parallel windings; Planar transformer; Winding arrangement

Indexed keywords

CURRENT DENSITY; ELECTRIC CURRENTS; ELECTRIC RESISTANCE; FINITE ELEMENT METHOD; SKIN EFFECT; TRANSFORMER WINDINGS;

AC RESISTANCE; PARALLEL WINDINGS; PLANAR TRANSFORMER; WINDING ARRANGEMENT;

ELECTRIC TRANSFORMERS;

EID: 23444453233     PISSN: 02588013     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Article

References (19)

1. Qian Zhaoming, He Xiangning, The recent developments of power electronics and its applications (1)[J]. Proceedings of the CSEE, 1997, 17(6): 361-366.
2. Qian Zhaoming, Dong Bofan, He Xiangning. The recent developments of power electronics and its applications (2)[J]. Proceedings of the CSEE, 1998, 18(3): 153-162.
3. Liang Xiaoguo, Wei Jian, Ruan Xinbo. A novel interleaved three-level forward converter[J]. Proceedings of the CSEE, 2004, 24(11): 139-143.
4. Hu Zongbo, Zhang Bo. Study on bi-directional conductibility and power loss of power MOSFET in synchronous rectifier[J]. Proceedings of the CSEE, 2002, 22(3): 88-93.
5. Zhang Haiyuan, Wu Hui, Zou Zubing et al. Modeling and analysis of symmetrical half bridge current-doubler converter with synchronous rectifier applied[J]. Proceedings of the CSEE, 2003, 23(8): 66-70.
6. Dai N, Lee F C. Edge effect analysis in a high-frequency transformer[C]. Proc. IEEE PESC, 1994: 850-855.
7. Ning Dai, Lee F C. High-frequency eddy-current effects in low-profile transformer windings[C]. Proc. IEEE PESC, 1997: 641-647.
8. Dai N, Lofti A W, Skutt C et al. A comparative study of high-frequency, low-profile planar transformer technologies[C]. Proc. IEEE APEC, 1994: 226-232.
9. Skutt G, Lee F C, Ridley R et al. Leakage inductance and termination effects in a high-power planar magnetic structure[C]. Proc. IEEE APEC, 1994: 295-301.
10. Dai N, Lee F C. An algorithm of high-density low-profile transformers optimization[C]. in Proc. IEEE APEC, 1997: 918-924.
11. Ning Dai, Lee F C. Design of a high density low-profile transformer[C]. Proc. IEEE APEC, 1996: 434-440.
12. Linde V D, Boon D, Klaassens C A M et al. Design of a high-frequency planar power transformer in multilayer technology[J]. IEEE Transaction on Industrial Electronics, 1991, 38(2): 135-141.
13. Hu Yuequan, Cheng D K W, Yim Shu Lee. New fabrication method for planar multilayer windings used in low-profile magnetic components[J]. IEEE Transaction on Magnetics, 1999, 35(2): 1055-1059.
14. Shen Wang, De Rooij M A, Odendaal W G et al. Reduction of high-frequency conduction losses using a planar Litz structure[C]. Proc. IEEE PESC, 2003: 887-891.
15. Prieto R, Garcia O, Asensi R et al. Optimizing the performance of planar transformers[C]. Proc. IEEE APEC, 1996: 415-421.
16. Prieto R, Cobos J A, Garia O et al. Interleaving techniques in magnetic components[C]. Proc. IEEE APEC, 1997: 931-936.
17. Prieto R, Cobos J A, Garia O et al. Using parallel windings in planar magnetic components[C]. Proc. IEEE PESC, 2001: 2055-2060.
18. Kuang Jianjun. Loss analysis, calculation and optimization for PCB windings in planar transformer[D]. Fuzhou: Fuzhou University, 2002.
19. Dowell P. Effect of eddy currents in transformer windings[J]. Proc. IEE, 1966, 113(8): 1387-1394.