NDLI: Analysis of air-gap permeance functions in flux-modulation double-stator electrical excitation synchronous machine

Content Provider	IET Digital Library
Author	Zhao, Chenchen Wang, Yubin Xu, Wei Li, Xianglin Feng, Xingtian
Abstract	The air-gap magnetic field analysis of the field-modulation double-stator electrical excitation synchronous machine (FM-DSEESM) is complicated due to its double stator and modulation-ring rotor configuration. Aimed to investigate the influence of the each part of the machine on the magnetic fields in the air-gaps, this study focuses on the permeance function analysis of FM-DSEESM to reveal its air-gap magnetic field distribution. Due to the limited physical space, the non-ferromagnetic segments of modulation-ring rotor in FM-DSEESM cannot be regarded as infinitely deep slots. Therefore, by adding a new flux line in the non-ferromagnetic segments, a new permeance function is proposed based on the calculation of the equivalent air-gaps. Then, analytical results of flux densities in the air-gaps are calculated and verified by finite element analysis. Finally, a FM-DSEESM prototype is fabricated to prove the feasibility of the permeance functions.
Starting Page	1550
Ending Page	1557
Page Count	8
ISSN	17518660
Volume Number	14
e-ISSN	17518679
Issue Number	Issue 9, Sep (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-epa/14/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2019.0757
Journal	IET Electric Power Applications
Publisher Date	2020-04-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	A.C. Machine Air Gap Air-gap Magnetic Field Analysis Air-gap Magnetic Field Distribution Air-gap Permeance Function D.C. Machines Double Stator Electrical Excitation Synchronous Machine Equivalent Air-gaps Field-modulation Double-stator Finite Element Analysis Flux Densities Flux Line Flux-modulation Double-stator FM-DSEESM Prototype Machine Theory Magnetic Field Magnetic Flux Modulation-ring Rotor Nonferromagnetic Segments Numerical Analysis Permanent Magnet Machine Permeance Function Analysis Rotors Stators Synchronous Machine
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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