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A 32 000 r/min Axial Flux Permanent Magnet Machine for Energy Storage With Mechanical Stress Analysis

Title
A 32 000 r/min Axial Flux Permanent Magnet Machine for Energy Storage With Mechanical Stress Analysis
Author
권병일
Keywords
Axial flux permanent magnet (AFPM); finite-element method (FEM); high-speed machines; sinusoidal back electromotive force (EMF) and mechanical stress; MOTOR
Issue Date
2016-01
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE TRANSACTIONS ON MAGNETICS, v. 52, No. 7, Article no. 8205004
Abstract
This paper focuses on the design and analysis of a high-speed axial flux permanent magnet (PM) machine for an aerospace flywheel energy storage system. The design target is to experimentally verify the sinusoidal back electromotive force (EMF) considering the mechanical stress limitation of the machine at a speed of 32 000 r/min. Two machine models based on ferrite and SmCo PMs have been proposed. First, the back EMF analysis using a 3-D finite-element method is performed to determine the performance of the two models. Second, the mechanical stress analysis is performed to check the durability of the rotor strength. Finally, the selected model utilizing the ferrite PMs has been manufactured and tested at 32 000 r/min to validate its effectiveness at high-speed operation.
URI
http://ieeexplore.ieee.org/abstract/document/7370797/http://hdl.handle.net/20.500.11754/48847
ISSN
0018-9464; 1941-0069
DOI
10.1109/TMAG.2015.2512939
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ETC
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