Results 41 to 50 of about 59,954 (356)

Magnetic equivalent circuit and finite element modelling of anisotropic rotor axial flux permanent magnet synchronous motors with fractional slot distributed winding

open access: yesIET Electric Power Applications, 2023
Axial flux motors have been in the focus of many research work due to their promising properties when compared to conventional radial flux machines. Axial flux permanent magnet synchronous motors (AFPMSM) studied in the literature were mostly limited to ...
Attila Nyitrai, Miklós Kuczmann
doaj   +1 more source

Novel Single-Phase Short-Stroke Tubular Permanent Magnet Oscillating Machines with Partitioned Stator

open access: yesEnergies, 2021
This paper presents three novel configurations of single-phase (SP) short-stroke (SS) tubular permanent magnet oscillating machines (TPMOMs) with partitioned stator (PS), termed PS-SPSS-TPMOMs.
Zi-Qiang Zhu   +4 more
doaj   +1 more source

An Improvement of Output Power in Doubly Salient Permanent Magnet Generator Using Pole Configuration Adjustment

open access: yesEnergies, 2020
The doubly salient permanent magnet (DSPM) machines are very attractive for low-speed power generation. In this work, we propose a design technique to improve the output power of the DSPM generator by an adjustment of pole configuration.
Warat Sriwannarat   +5 more
doaj   +1 more source

Research on Innovative Hybrid Excited Synchronous Machine

open access: yesEnergies, 2023
This paper presents research on an unconventional electric machine. It is a hybrid excited machine which includes the features of three types of machines: the Permanent Magnet Synchronous Machine, the Synchronous Machine, and the Synchronous Reluctance ...
Ryszard Palka   +3 more
doaj   +1 more source

Optimal torque control of fault-tolerant permanent magnet brushloss machines [PDF]

open access: yes, 2003
Describes a novel optimal torque control strategy for fault-tolerant permanent magnet brushless ac drives operating in both constant torque and constant power modes.
Atallah, K., Howe, D., Wang, J.B.
core   +1 more source

Improved analytical model for predicting the magnetic field distribution in brushless permanent-magnet machines [PDF]

open access: yes, 2002
A general analytical technique predicts the magnetic field distribution in brushless permanent magnet machines equipped with surface-mounted magnets. It accounts for the effects of both the magnets and the stator windings.
Chan, C.C., Howe, D., Zhu, Z.Q.
core   +2 more sources

Coupled electromagnetic and thermal analysis of an axial flux PM machine [PDF]

open access: yes, 2015
The rotor discs in axial flux permanent magnet (PM) machines have similar properties as a radial fan, and therefore, the convective cooling may have a significant influence on the thermal design of these machines.
Hemeida, Ahmed   +4 more
core   +2 more sources

Permanent magnet vernier machine: a review

open access: yesIET Electric Power Applications, 2018
Permanent magnet vernier machines (PMVMs) gained a lot of interest over the past couple of decades. This is mainly due to their high torque density enabled by the magnetic gearing effect. This study will provide a thorough review of recent advances in PMVMs.
Fan Wu, Ayman M. El‐Refaie
openaire   +2 more sources

Comparitive study of the influence of harmonic voltage distortion on the efficiency of induction machines versus line start permanent magnet machines [PDF]

open access: yes, 2012
Induction machines have nearly reached their maximal efficiency. In order to further increase the efficiency the use of permanent magnets in combination with the robust design of the induction machine is being extensively researched. These so-called line
Debruyne, Colin   +3 more
core  

Computationally efficient 3D analytical magnet loss prediction in surface mounted permanent magnet machines [PDF]

open access: yes, 2017
This study proposes a computationally efficient analytical method, for accurate prediction of three-dimensional (3D) eddy current loss in the rotor magnets of surface mounted permanent magnet (SPM) machines considering slotting effect.
Aslan B.   +33 more
core   +1 more source

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