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Magnet Shape Optimization to Reduce Pulsating Torque for a Five-Phase Permanent-Magnet Low-Speed Machine [PDF]
The author would like to thank S. Djebarri from the Research Institute of Naval Academy for his help with computing the machines with FEA program FEMM and F.
SCUILLER, Franck
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Comparative Study on Variable Flux Memory Machines With Different Arrangements of Permanent Magnets
Compared with conventional permanent magnet synchronous motor, variable flux memory motor (VFMM) possesses the advantage of adjusting the magnetization state online.
Ying Xie, Zhaoyang Ning, Zexin Ma
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Introduction. In spite of many advantages of radial flux permanent magnet brushless DC motors it suffers from the distinct disadvantage of high cogging torque. The designer must emphasize to reduce the cogging torque during the design stage.
T. H. Panchal, A. N. Patel, R. M. Patel
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Comparative study on equivalent models calculating magnetic force between permanent magnets [PDF]
Purpose – An appropriate equivalent model is the key to the effective analysis of the system and structure in which permanent magnet takes part. At present, there are several equivalent models for calculating the interacting magnetic force between ...
Yuyang Zhang +6 more
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Ferromagnetic MnAl (L10-MnAl phase) ultrathin films with thickness varying from 1 to 5 nm have been epitaxially grown on a GaAs (001) substrate. A coercivity above 8 kOe has been obtained with no need of a buffer layer by tuning the sample preparation ...
C. Navío +6 more
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MnBi thin films for high temperature permanent magnet applications
Thin films of ferromagnetic LTP-MnBi (Low Temperature Phase of MnBi) have been grown by magnetron sputtering onto quartz substrates. Two particular issues related to LTP-MnBi have been investigated: the strong influence of the growth temperature and the ...
M. Villanueva +6 more
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Multi-criteria based design approach of multiphase permanent magnet low speed synchronous machines [PDF]
Version éditeur disponible à cette adresse : http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4797497&isnumber=4797494A design methodology dedicated to multi-phase permanent magnet synchronous machines (PMSMs) supplied by pulse width modulation ...
CHARPENTIER, Jean-Frederic +3 more
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Rotor integrity design for a high-speed modular air-cored axial-flux permanent-magnet generator [PDF]
The rotor integrity design for a high-speed modular air-cored axial-flux permanent-magnet (AFPM) generator is presented. The main focus is on the mechanical parametric optimization of the rotor, which becomes a more dominating design issue over ...
Luk, Patrick Chi-Kwong +5 more
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CURRENT SITUATION AND PROSPECTS OF PRODUCTION AND RESERVES OF PERMANENT MAGNETS OF RARE EARTHS: BRAZIL × WORLD [PDF]
Generating energy from renewable sources is not an easy task since it requires different types of technologies, which can add much cost to the system. For this reason, investment in research in this area can be an alternative for economic feasibility ...
Franciele Weschenfelder +5 more
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The manufacturing technology of permanent magnets has high precision characteristics and is based on extreme dependencies of physical and mechanical properties of magnets from the contents of the alloy, crystalline structure and temperature and force ...
Анатолій Васильович Усов +2 more
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