Results 21 to 30 of about 185,453 (305)
IEEE Access, 2021 This paper presents an analytical model for predicting the magnetic field performance of permanent magnet synchronous motor with permanent magnet cutting.
Lianlian Gao +5 more
doaj +1 more source
Direct Flux Field Oriented Control of IPM Drives with Variable DC-Link in the Field-Weakening Region [PDF]
, 2009 This paper presents the direct flux control of an interior permanent-magnet (IPM) motor drive in the field-weakening region. The output torque is regulated by the coordinated control of the stator flux amplitude and the current component in quadrature ...
Armando, Eric Giacomo +2 more
core +1 more source
IEEE Access, 2018 This paper presents a complete quasi-3-D analytical model combining the solution of Maxwell's equations and the magnetic equivalent circuit for the determination of no-load magnetic field distributions of slotted axial flux permanent magnet machines ...
Wenming Tong +3 more
doaj +1 more source
Topology optimized permanent magnet systems [PDF]
, 2017 Topology optimization of permanent magnet systems consisting of permanent magnets, high permeability iron and air is presented. An implementation of topology optimization for magnetostatics is discussed and three examples are considered.
Bahl, C. R. H. +2 more
core +2 more sources
IEEE Access, 2019 In this paper, the airflow and temperature distribution characteristics of a 1.65MW permanent magnet synchronous machine (PMSM) adopting a totally enclosed self-circulation (TESC) axial ventilation system (AVS) are studied by numerical methods.
Wenming Tong, Shengnan Wu, Renyuan Tang
doaj +1 more source
IET Power Electronics, 2021 The rotor eddy current loss of high‐speed permanent magnet motor has an important influence on the temperature distribution of permanent magnet. In traditional method, the unbalanced distribution of eddy current in permanent magnet is ignored, and the ...
Meiwei Zhang +3 more
doaj +1 more source
General Analytical Model of Magnet Average Eddy-Current Volume Losses for Comparison of Multi-phase PM Machines with Concentrated Winding [PDF]
, 2014 this paper studies magnet eddy-current losses in permanent magnet (PM) machines with concentrated winding. First of all, space harmonics of magnetomotive force (MMF) and their influence on magnet losses in electrical machines are investigated.
ASLAN, Bassel +2 more
core +6 more sources
Nd-Ce-Fe-B core-shell magnets simulation by using Mumax3 [PDF]
AIP AdvancesThe demagnetization curves as well as the magnetic moments distribution of two types of core-shell structure grains (core (Nd2Fe14B)-transition layer (Nd0.7Ce0.3)2Fe14B-shell (Ce2Fe14B) and core (Ce2Fe14B)-transition layer (Nd0.7Ce0.3)2Fe14B-shell ...
Jianhua Zuo +5 more
doaj +1 more source
Theoretical calculation model of torque transmission in permanent-magnet couplers
AIP Advances, 2021 Permanent-magnet couplers are widely used in various industrial applications due to their high functionality and economy. The magnetic field of the magnetic circuit of a permanent-magnet coupler is divided by the segmentation method, by which the ...
Jianwen Shi, Shuangfu Suo, Guoying Meng
doaj +1 more source
Zhongguo dianli, 2020 Rare earth permanent magnet materials, such as NdFeB, are widely used in permanent magnet motors because of their good magnetic properties, low price and good mechanical properties.
Yongjian LI +4 more
doaj +1 more source