NDLI: Influence of the Axial-Length Ratio of Permanent Magnet to Homopolar Induction on the Performance of Hybrid Excitation Synchronous Generator

Content Provider	IEEE Xplore Digital Library
Author	Zou Jibin Fu Xinghe
Copyright Year	1973
Abstract	Magnetic flux distributions of the permanent magnet (PM) section and the homopolar induction (HI) section in a hybrid excitation synchronous generator (HESG) are calculated by using the finite element method (FEM). The influences of the axial-length ratio of the two sections on the back EMF, inductance, and terminal characteristics of the PM section, the HI section, and the HESG are analyzed. The prototype experiments have verified the validity of the calculation and analysis processes. The studies on the HI section have shown the following: 1) The operating air-gap flux distribution along the axial direction is uneven; 2) there is an approximate linear relationship between the radial component average of the operating air-gap flux density and the axial length; 3) a quadratic relationship between the back EMF and the axial length exists; and 4) it is necessary to compute and optimize the axial-length ratio of the PM section and HI section to increase the output voltage and improve the terminal characteristics of the HESG.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	368
Ending Page	373
Page Count	6
File Size	683052
File Format	PDF
ISSN	00933813
Volume Number	39
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rotors Windings Teeth Air gaps Magnetic circuits Inductance Finite element methods terminal characteristic Axial-length ratio hybrid excitation
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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