Influence of End Structure on Electromagnetic Forces on End Winding of a 1550 MW Nuclear Generator

被引：2
|
作者：
Zeng C. [1 ]
Huang S. [1 ]
Yang Y. [1 ]
Zhou G. [2 ]
机构：
[1] Chongqing University, Chongqing
[2] Research and Test Center, Dongfang Electrical Machinery Co. Ltd., Deyang, Sichuan Province
来源：
Huang, Song (s.huang@cqu.edu.cn) | 1600年 / Hindawi Limited, 410 Park Avenue, 15th Floor, 287 pmb, New York, NY 10022, United States卷 / 2017期
基金：
中国国家自然科学基金;
关键词：
Electromagnetic force distribution - Electromagnetic forces - Electromagnetic modeling - End structure - Nuclear generators - Relative length - Structure change - Time step finite element methods;
D O I：
10.1155/2017/9545238
中图分类号：
学科分类号：
摘要：
A 3D electromagnetic model of the end region of a 1550 MW nuclear generator is set up. The electromagnetic forces on the involute and nose parts of the end winding under a rated operation are obtained through the 3D time-step finite element method. The electromagnetic forces on different coils in the same phase are analyzed. By changing the rotor's relative length and stator coil's linear length in the 3D electromagnetic model, the electromagnetic force distributions on the end winding are obtained. The influence of each structure change on the electromagnetic force in different directions is studied in detail. Conclusions that can be helpful in decreasing the electromagnetic forces on the end winding through optimizing the end region design are presented. © 2017 Chong Zeng et al.
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