Results 41 to 50 of about 71,479 (309)

Design of Low-Cost Synchronous Machine to Prevent Demagnetization

open access: yesEnergies, 2020
The request for high efficiency motor paves the way for the replacement of induction motors with permanent magnet synchronous motors. Although the efficiency is increased, for medium and high power, the current ripple causes significant additional losses
Claudio Bianchini   +3 more
doaj   +1 more source

Discussion on "AC Drive Observability Analysis" [PDF]

open access: yes, 2015
In the paper by Vaclavek et al. (IEEE Trans. Ind. Electron., vol. 60, no. 8, pp. 3047-3059, Aug. 2013), the local observability of both induction machine and permanent-magnet synchronous machine (PMSM) under motion-sensorless operation is studied.
Duc, Gilles   +3 more
core   +3 more sources

Design studies of inner and outer embedded Permanent Magnet for hybrid electric vehicles

open access: yesMATEC Web of Conferences, 2018
Hybrid vehicles require high torque for propel, hence permanent Magnet machines are highly suiting for the improvement in the torque density. The paper focus on designing built-in interior permanent magnet (IPM) synchronous machine for hybrid electric ...
CV Aravind   +3 more
doaj   +1 more source

Design and Analysis of a Novel Axial-Radial Flux Permanent Magnet Machine with Halbach-Array Permanent Magnets

open access: yesEnergies, 2021
Electric machines with high torque density are needed in many applications, such as electric vehicles, electric robotics, electric ships, electric aircraft, etc. and they can avoid planetary gears thus reducing manufacturing costs.
Rundong Huang   +3 more
doaj   +1 more source

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

Direct Flux Field Oriented Control of IPM Drives with Variable DC-Link in the Field-Weakening Region [PDF]

open access: yes, 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

Permanent magnet shape optimization method for PMSM air gap flux density harmonics reduction

open access: yesCES Transactions on Electrical Machines and Systems, 2021
This paper proposed a permanent magnet optimization method to suppress the air gap flux density harmonic of permanent magnet synchronous motor (PMSM). The method corrected the effective air gap length of the motor, calculated the magnetization length of ...
Chengsi Liu   +4 more
doaj   +1 more source

Rotor eddy-current loss in permanent magnet brushless machines [PDF]

open access: yes, 2004
This paper presents an analysis of the rotor eddy-current loss in modular and conventional topologies of permanent magnet brushless machine. The loss is evaluated both analytically and by time-stepped finite-element analysis, and it is shown that it can ...
Atallah, K.   +4 more
core   +1 more source

Influence of skew and cross-coupling on flux-weakening performance of permanent-magnet brushless AC machines [PDF]

open access: yes, 2009
A method is proposed for predicting the flux-weakening performance of permanent-magnet (PM) brushless ac machines accounting for skew and d-q axis cross-coupling.
Chen, J.T.   +5 more
core   +1 more source

Stator iron loss of tubular permanent-magnet machines [PDF]

open access: yes, 2005
While methods of determining the iron loss in rotating permanent-magnet (PM) machines have been investigated extensively, the study of iron loss in linear machines is relatively poorly documented.
Amara, Y., Howe, D., Wang, J.B.
core   +1 more source

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