DESIGN CONSIDERATIONS FOR HIGH-FREQUENCY COAXIAL WINDING POWER TRANSFORMERS

被引：32
|
作者：
RAULS, MS
NOVOTNY, DW
DIVAN, DM
机构：
[1] UNIV WISCONSIN,DEPT ELECT & COMP ENGN,MADISON,WI 53706
[2] UNIV WISCONSIN,WISCONSIN ELECT MACHINES & POWER ELECTR CONSORTIUM,MADISON,WI 53706
[3] UNIV WISCONSIN,UNIV IND RES PROGRAM,MADISON,WI 53706
来源：
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 1993年 / 29卷 / 02期
关键词：
Electric transformers;
D O I：
10.1109/28.216547
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The use of coaxial windings to create low loss, low leakage reactance, power transformers for use in high frequency soft switched dc/dc and resonant converters has been demonstrated in [1]. This paper examines some of the important loss aspects of the design of coaxial winding transformers such as the influence of skin effect on winding resistance, the variation of core loss caused by nonuniform core flux density, and the choice of the principle dimensions and aspect ratios for maximum efficiency. Experimental measurements on a 50 kVA 50 kHz unit, are included to confirm portions of the analytical results and suggested design procedures.
引用
收藏
页码：375 / 381
页数：7
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