Eddy Currents in Solid Rotor Permanent Magnet Synchronous Motors Fed by Voltage Iinverter

Davat, Bernard; Rezine, Hacene; Lajoie‐Mazenc, M.

doi:10.1080/03616968208955441

Cited by 4 publications

(5 citation statements)

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“…Although, a much larger variation (about 50%) has been reported in that study. Also, the variation of the rotational iron losses was reported to be about 6% for an induction machine in [10] which is closer to the findings of this research. To reduce the error between 3D FEA and measurement, the B and H from both FEA and test bench were collected from the same location.…”

Section: Resultssupporting

confidence: 89%

“…According to Kowal et al [15], Li et al [24], and Fallah and Badeli [25], harmonic losses, which are caused by the steel sheet material rotational iron losses, are written for the stator as (see (10)) , where k e , B t , and B y are the eddy-current constant and the flux density with time waveforms at the tooth and yoke of the stator. V t and V y are the volumes of the tooth and yoke of the stator core.…”

Section: Harmonic Losses Modellingmentioning

confidence: 99%

“…The iron losses calculation represents a significant share of the design process, where a number of factors must be considered. For example, skin effect has been addressed recently in the literature for accurate eddy-current loss calculations via three-dimensional (3D) modelling [7][8][9][10][11][12][13] and has advanced the understanding of eddy-current behaviour.…”

Section: Introductionmentioning

confidence: 99%

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Time‐domain computation of rotational iron losses considering the bulk conductivity for PMSMs

Asef¹,

Bargallo²,

Lapthorn

2019

IET Electric Power Applications

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This study investigates an advanced finite-element (FE) technique for the evaluation of rotational iron losses based on a time-domain computation, where the bulk conductivity of the core materials is considered. The iron-loss characteristics are discussed for a radial flux permanent magnet synchronous machine (PMSM) for a wind generation application, with closed slots and outer rotor topology. The following factors are taken into account: (i) a real-time rotational iron-loss computation; (ii) the bulk conductivity of the steel laminations; and (iii) the influence of the controller harmonics on the system during transient conditions. The magnetic induction vector locus of each iron component is also discussed, where the magnetic induction is numerically modelled [three-dimensional (3D) finite element analysis (FEA)], computed using multiple magnetic antennae and is also experimentally verified. This comparative study shows a torque-frequency-loss computation that is presented from low to high frequencies (50-800) Hz. The FE model of the total iron losses for the PMSM using both pure sinusoidal and proportionalintegral pulse-width modulation currents is studied and experimentally verified on a surface-mounted PMSM. The proposed method of iron losses prediction significantly reduced the rate of error between 3D FEA and experimental data to 1.7%.

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Section: Resultssupporting

confidence: 89%

Section: Harmonic Losses Modellingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Time‐domain computation of rotational iron losses considering the bulk conductivity for PMSMs

Asef¹,

Bargallo²,

Lapthorn

2019

IET Electric Power Applications

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“…3 CALCUL DU FLUX. -Le flux dans la phase n est obtenu à partir de l'expression du potentiel vecteur à la surface du stator, de la densité de conducteurs de cette phase et de la longueur 1 de la machine : soit pour sa transformée de Laplace 0,,(p) : L'égalité (6) définissant la densité de courant K (x, p) va permettre d'exprimer ce flux en fonction des courants d'alimentation de la machine :…”

Section: Résolution Des éQuations Du Champ éLec-unclassified

“…Cette procédure permet l'étude des principaux cas rencontrés dans la pratiqua (machines à pôles lisses ou saillants avec ou sans amortisseurs) et est également applicable aux machines comportant au rotor des pièces massives où peuvent circuler des courants de Foucault [5,6,7,8].…”

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Modélisation de machines à commutation électronique comportant des matériaux massifs avec circulation de courants de Foucault

Davat

Lajoie‐Mazenc

1982

Rev. Phys. Appl. (Paris)

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High force tubular linear actuator with integrated eddy current brake for spring-loaded systems

2013

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Eddy Currents in Solid Rotor Permanent Magnet Synchronous Motors Fed by Voltage Iinverter

Cited by 4 publications

References 1 publication

Time‐domain computation of rotational iron losses considering the bulk conductivity for PMSMs

Time‐domain computation of rotational iron losses considering the bulk conductivity for PMSMs

Modélisation de machines à commutation électronique comportant des matériaux massifs avec circulation de courants de Foucault

High force tubular linear actuator with integrated eddy current brake for spring-loaded systems

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