A Novel Transformer for Contactless Energy Transmission Systems

被引：0
|
作者：
Zhang, Wei [1 ]
Chen, Qianhong [1 ]
Wong, S. C. [2 ]
Tse, Chi K. [2 ]
Ruan, Xinbo [1 ]
机构：
[1] Nanjing Univ Aero & Astro, 29 Yudao St, Nanjing 210016, Peoples R China
[2] Hong Kong Polytech Univ, Hong Kong, Peoples R China
来源：
2009 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION, VOLS 1-6 | 2009年
基金：
中国国家自然科学基金;
关键词：
contactless transformer; coupling coefficient; magnetic reluctance circuit; optimization;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Coupling coefficient k of a transformer is a key parameter affecting the efficiency of a contactless energy transmission systems (CETS). Aiming to obtain higher k, smaller size and lighter weight for the contactless transformer, techniques for the improvement of core structure and coil arrangement are proposed in this paper. A new magnetic reluctance circuit is also proposed for the transformer. Based on magnetic flux coupling, magnetic reluctances are found for the calculation of k. A novel contactless transformer is fabricated for a 60W CETS. The k calculated is verified with experimental measurement to be very accurate. A contactless transformer with k of 0.6 and weight of 60g is achieved. Compared with our previous transformer having k of 0.53 and weight of 122g, the new transformer offers about 2.5% improvement in the maximum efficiency.
引用
收藏
页码：2679 / +
页数：2
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