Examination on Copper Loss Reduction of High-frequency Transformers for Trains Using Magnetic Flux Path Control Technology

被引：5

作者：

Kubota, Kazuma ^{[1
]}

Shimura, Kazuhiro ^{[1
]}

Torishima, Kenta ^{[1
]}

Sato, Mitsuhide ^{[1
]}

Bu, Yinggang ^{[1
]}

Mizuno, Tsutomu ^{[1
]}

Sakurada, Masayuki ^{[2
]}

Nebashi, Takao ^{[2
]}

Koike, Norio ^{[3
]}

机构：

[1] Shinshu Univ, Fac Engn, Nagano, Japan

[2] Ichikawa Elect Co Ltd, Engn Dept, Tokyo, Japan

[3] Ichikawa Elect Co Ltd, Tokyo, Japan

来源：

2019 INTERNATIONAL CONFERENCE ON ELECTRICAL ENGINEERING RESEARCH & PRACTICE (ICEERP-2019) | 2019年

关键词：

magnetic flux path control technology; copper loss reduction; skin effect; proximity effect; magnetic-composite material;

D O I：

10.1109/iceerp49088.2019.8956970

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：

A rectangular wire is used for the windings of a train transformer in order to improve the space factor. However, as the frequency is increased, copper loss due to skin and proximity effects occurs and heat generation becomes a problem. The authors investigated reduction of copper loss in order to suppress heat generation in the transformer winding. By changing the winding structure, copper loss could be reduced by 8.1% more than before change. Furthermore, by applying magnetic-flux path-control technology, the copper loss generated in the transformer could be reduced by 19.9%.

引用

页码：132 / 137

页数：6

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