Design Considerations of a Hybrid Excitation Synchronous Machine with Magnetic Shunt Rotor

Author

Zhuoran Zhang ; Ji Dai ; Chao Dai ; Yangguang Yan

Author_Institution

Jiangsu Provincial Key Lab. of New Energy Generation & Power Conversion, Nanjing Univ. of Aeronaut. & Astronaut., Nanjing, China

Volume

49

Issue

11

fYear

2013

fDate

Nov. 2013

Firstpage

5566

Lastpage

5573

Abstract

This paper investigates the design considerations of a new hybrid excitation synchronous machine (HESM), which is characterized by magnetic shunt rotor and brushless field excitation. First, the basic constraints of flux control capability are discussed and deduced. Then the influence of some key structural parameters on flux control capability of the HESM is investigated by using equivalent magnetic circuits. The influence of permanent magnet width is further studied and verified by 3-D finite element analysis. A prototype HESM with magnetic shunt rotor is designed and developed. The experimental results show the satisfactory output performance, especially the significant sinusoidal EMF waveforms of the machine, and also verify the influence of air-gap variation on flux control capability of the HESM.

Keywords

brushless machines; electric potential; equivalent circuits; finite element analysis; magnetic flux; permanent magnet machines; rotors; synchronous machines; 3D finite element analysis; air-gap variation; brushless field excitation; design consideration; equivalent magnetic circuits; flux control capability; hybrid excitation synchronous machine; magnetic shunt rotor; permanent magnet width; prototype HESM; sinusoidal EMF waveforms; structural parameters; Brushless excitation; design considerations; flux control; hybrid excitation; magnetic shunt; synchronous machine;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2013.2262000

Filename

6514571