Influence of Travelling Current Linkage Harmonics on Inductance Variation, Torque Ripple and Sensorless Capability of Tooth-Coil Permanent-Magnet Synchronous Machines

Ponomarev, Pavel; Petrov, Ilya; Pyrhönen, Juha

doi:10.1109/tmag.2013.2283067

Cited by 38 publications

(24 citation statements)

References 23 publications

(22 reference statements)

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“…Other torque harmonics (k = 6n, n = 1, 2, 3..) are also present in the torque spectrum. [13] The pulsating torque can be decreased by current linkage sub-harmonic cancellation [13]. Fig.…”

Section: A Cogging Torquementioning

confidence: 99%

“…However, this approach can be applied to other topologies of TC-PMSMs as well [19]. The proposed method reduces the pulsating torque caused by temporal local oversaturations in TC-PMSMs [13]. The method is applicable to machines which are designed mainly for single direction of rotation, such as generators in wind turbines and hybrid cars, propulsion or traction drives, fans and blowers.…”

Section: A Cogging Torquementioning

confidence: 99%

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Torque ripple reduction in double-layer 18/16 TC-PMSMs by adjusting teeth widths to minimize local saturation

Ponomarev

Petrov

Pyrhönen

2014

2014 International Conference on Electrical Machines (ICEM)

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The saturation in the stator teeth of an 18-slots 16-poles TC-PMSM with sinusoidal current supply caused by the interaction of armature reaction fluxes and rotor-PM-produced fluxes is studied. It is found that under load some teeth are saturated deeper than others. An increase in the width of these teeth reduces the oversaturation, which locally prevents the decrease in the inductance and back-EMF, and, consequently, reduces the torque ripple in the machine. The proposed technique can also be applied to other types of TC-PMSMs.

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“…Other torque harmonics (k = 6n, n = 1, 2, 3..) are also present in the torque spectrum. [13] The pulsating torque can be decreased by current linkage sub-harmonic cancellation [13]. Fig.…”

Section: A Cogging Torquementioning

confidence: 99%

Section: A Cogging Torquementioning

confidence: 99%

Torque ripple reduction in double-layer 18/16 TC-PMSMs by adjusting teeth widths to minimize local saturation

Ponomarev

Petrov

Pyrhönen

2014

2014 International Conference on Electrical Machines (ICEM)

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“…In the healthy case, many authors [12,13,14,15] have proposed models taking into account the saturation effect by using the daxis and q-axis machine magnetizing curves which can be given by the manufacturer [16]. By using theses curves, we propose in this paper a fast dynamic mathematical model of PMSM under inter turn fault.…”

Section: Introductionmentioning

confidence: 99%

Non‐linear circuit based model of permanent magnet synchronous machine under inter‐turn fault: a simple approach based on healthy machine data

Belguerras

Arellano-Padilla

Arumugam

et al. 2016

IET Electric Power Applications

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The paper proposes a fast dynamic mathematical model to evaluate the performances of saturated permanent magnet synchronous machines (PMSM) under stator winding's inter turn fault. The parameters of the model can be determined using only manufacturer's data of the healthy machine. Two surface mounted PMSM have been considered to investigate the validity of the proposed approach; with distributed and concentrated winding. It has been shown that the proposed model predicts the fault current with a reasonable accuracy compared to the non-linear Finite Elements analyses and to the experimental results. This model can be incorporated in a global simulation environment of power electronic of electrical device since the computation time is very short.Index Terms-Inter-turn fault, finite elements methods, dynamic models, magnetic saturation.

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“…Barcaro et al [9] pointed out that the asymmetric magnetic saturation in FSCW IPM machines will change with time and rotor positions, which cause the fluctuation of dq-axis flux linkages, and significantly contribute to torque ripples. Ponomarev et al [10] further investigated such rotor position dependent local magnetic saturation and its influence on dq-axis inductance, as well as the additional saliency for sensorless control. However, these two papers have not paid attention to the distortion of terminal voltage caused by the same local magnetic saturation.…”

Section: Introductionmentioning

confidence: 99%

On-Load Voltage Distortion in Fractional-Slot Interior Permanent Magnet Machines

Zhu

2015

IEEE Trans. Magn.

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The mechanism and influence of the on-load terminal phase voltage distortion by armature reaction in interior permanent magnet (IPM) machines with fractional-slot concentrated windings (FSCW) are investigated in this paper, by taking a 12slot/8-pole machine as example. The phenomenon is presented firstly, which shows the peak voltage will be much higher than the fundamental value especially under flux weakening operation. Then, the mechanism is investigated with the aid of frozen permeability (FP) method. Due to the geometric feature of FSCW IPM rotor, the armature reaction flux will asymmetrically enhance the local magnetic saturation in tooth-tips and rotor lamination region near rotor ribs, which disrupt the smooth variation of phase flux linkage and lead to voltage distortion. With the increasing of current advancing angle (β), this effect will become more obvious and result in higher distortion level. Further, the influences of voltage distortion on the machine torque performance are investigated, which show it will only contribute to torque ripple in constant torque region, but will largely reduce the flux weakening operation region compared with the ideal one calculated by the fundamental voltages only. Finally, a prototype is manufactured and tested to validate the analyses. Index Terms-Fractional-slot, interior permanent magnet, magnetic saturation, permanent magnet machine, voltage distortion.0018-9464 (c)

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Influence of Travelling Current Linkage Harmonics on Inductance Variation, Torque Ripple and Sensorless Capability of Tooth-Coil Permanent-Magnet Synchronous Machines

Cited by 38 publications

References 23 publications

Torque ripple reduction in double-layer 18/16 TC-PMSMs by adjusting teeth widths to minimize local saturation

Torque ripple reduction in double-layer 18/16 TC-PMSMs by adjusting teeth widths to minimize local saturation

Non‐linear circuit based model of permanent magnet synchronous machine under inter‐turn fault: a simple approach based on healthy machine data

On-Load Voltage Distortion in Fractional-Slot Interior Permanent Magnet Machines

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