Results 31 to 40 of about 59,954 (356)

Linear Machines for Long Stroke Applications—A Review

open access: yesIEEE Access, 2020
This document reviews the current state of the art in the linear machine technology. First, the recent advancements in linear induction, switched reluctance and permanent magnet machines are presented.
Imanol Eguren   +4 more
doaj   +1 more source

Rotor resonances of high-speed permanent-magnet brushless machines [PDF]

open access: yes, 2002
For high-speed machines, in particular, it is very important to accurately predict natural frequencies of the rotor at the design stage so as to minimize the likelihood of failure.
Ede, J.D., Howe, D., Zhu, Z.Q.
core   +1 more source

Analytical modeling of open-Circuit air-Gap field distributions in multisegment and multilayer interior permanent-magnet machines [PDF]

open access: yes, 2009
We present a simple lumped magnetic circuit model for interior permanent-magnet (IPM) machines with multisegment and multilayer permanent magnets. We derived analytically the open-circuit air-gap field distribution, average air-gap flux density, and ...
Chan, C.C.   +3 more
core   +1 more source

Effect of optimal torque control on rotor loss of fault-tolerant permanent-magnet brushless machines [PDF]

open access: yes, 2002
A faulted phase in a fault-tolerant permanent-magnet brushless machine can result in significant torque ripple. However, this can be minimized by using an appropriate optimal torque control strategy.
Atallah, K.   +3 more
core   +1 more source

2‐D analytical on‐load electromagnetic model for double‐layer slotted interior permanent magnet synchronous machines

open access: yesIET Electric Power Applications, 2022
A fast hybrid analytical model is presented to predict the on‐load performance of double‐layer interior permanent‐magnet synchronous machines (IPMSMs) considering both iron bridges saturation and slotting effects.
Vahid Zamani Faradonbeh, Akbar Rahideh
doaj   +1 more source

Analytical investigation of sideband electromagnetic vibration in integral-slot PMSM drive with SVPWM technique [PDF]

open access: yes, 2016
This paper provides a comprehensive investigation into the electromagnetic vibration associated with the sideband harmonic components introduced by space vector pulse width modulation applied in integral-slot permanent magnet synchronous machine ...
Fei, Wei-Zhong   +2 more
core   +1 more source

Permanent Magnet Machines for High-Speed Applications [PDF]

open access: yesWorld Electric Vehicle Journal, 2022
This paper overviews high-speed permanent magnet (HSPM) machines, accounting for stator structures, winding configurations, rotor constructions, and parasitic effects. Firstly, single-phase and three-phase PM machines are introduced for high-speed applications.
He, T.   +7 more
openaire   +4 more sources

Simulation of the Circulating Bearing Currents for Different Stator Designs of Electric Traction Machines

open access: yesMachines, 2023
Pulse–width modulated inverters are commonly used to control electrical drives, generating a common mode voltage and current with high–frequency components that excite the parasitic capacitances within electric machines, such as permanent magnet ...
Yusa Tombul   +2 more
doaj   +1 more source

Comparative Analysis of High Frequency Signal Injection Based Torque Estimation Methods for SPMSM, IPMSM and SynRM

open access: yesEnergies, 2020
Torque estimation in permanent magnet synchronous machines and synchronous reluctance machines is required in many applications. Torque produced by a permanent magnet synchronous machine depends on the permanent magnets’ flux and d q -axes ...
Maria Martinez   +3 more
doaj   +1 more source

Euler-Lagrange models with complex currents of three-phase electrical machines and observability issues [PDF]

open access: yes, 2009
A new Lagrangian formulation with complex currents is developed and yields a direct and simple method for modeling three-phase permanent-magnet and induction machines. The Lagrangian is the sum a mechanical one and of a magnetic one.
Basic, Duro   +2 more
core   +3 more sources

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