Analysis of the Coupling Effect in Different Meander-Type Winding Planar Transformers

被引：7

作者：

Djuric, Snezana ^{[1
]}

Stojanovic, Goran ^{[1
]}

Damnjanovic, Mirjana ^{[1
]}

Laboure, Eric ^{[2
]}

机构：

[1] Univ Novi Sad, Fac Tech Sci, Novi Sad 21000, Serbia

[2] LGEP SPEE Labs SUPELEC, F-91192 Gif Sur Yvette, France

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2013年 / 49卷 / 07期

关键词：

Frequency domain analysis; inductance; magnetic flux density; transformers;

D O I：

10.1109/TMAG.2013.2243417

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, planar printed-circuit board (PCB) transformers with different winding arrangements are presented. Three different arrangements of the primary and the secondary meander-type windings are designed and fabricated. The electrical parameters of the transformers for all three designs are analyzed and compared. A significant increase of inductance of the primary and the secondary winding is achieved with an appropriate meander-type winding arrangement. In the frequency range of interest, the inductance is approximately 145 nH for the first design, whereas the inductance is approximately 1250 nH for the second and the third design. The coupling coefficient is 0.14 for the first design, whereas it is around 0.9 for the second and the third design. The transformer of the proposed design is to be used in low-power DC/DC converters; therefore, the core with high permeability Ferroxcube 3C90 was chosen. In addition, the transformers of the same winding arrangements were tested with Ferroxcube 3F3 core.

引用

页码：3993 / 3996

页数：4

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