Analytical Calculation of the No-Load Magnetic Field of a Hybrid Excitation Generator

被引:0
|
作者
Xiong, Yiyong [1 ]
Zhao, Jinghong [1 ]
Yan, Sinian [1 ]
Wei, Kun [1 ]
机构
[1] Naval Univ Engn, Sch Elect Engn, Wuhan 430033, Peoples R China
基金
中国国家自然科学基金;
关键词
hybrid excitation generator; double excitation winding; accurate subdomain model; finite element analysis; MACHINE;
D O I
10.3390/electronics13132574
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Hybrid excitation generators combine the advantages of electric excitation motors and permanent magnet generators. Focusing on a permanent magnet generator as the object of study, an auxiliary excitation winding is introduced for voltage regulation. The main magnetic field is established by the permanent magnet, and the auxiliary excitation winding provides the magnetic potential required to regulate the air-gap magnetic field. While improving the voltage regulation performance of permanent magnet generators, it also reduces the loss of excitation windings in electrically excited generators. Based on a hybrid excitation generator with dual excitation windings, in the following article, we present a hybrid excitation generator equivalent to a full permanent magnet motor with the minimum output voltage, and an accurate subdomain model of the full permanent magnet motor is established considering the influence of slot opening. By establishing a matrix, the distribution curve of air-gap magnetic density was solved and ultimately verified using finite element analysis. The results of the present study lay a solid foundation for solving the air-gap magnetic density distribution of various parts of the hybrid excitation generator and studying its performance in the future.
引用
收藏
页数:19
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