Analysis and Tests of a Dual Three-Phase 12-Slot 10-Pole Permanent-Magnet Motor

Barcaro, Massimo; Bianchi, Nicola; Magnussen, Freddy

doi:10.1109/tia.2010.2070784

Cited by 149 publications

(85 citation statements)

References 9 publications

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“…a) Inductances Analysis In terms of fault tolerant behaviour, one of the most significant parameter is the ratio between self and mutual inductances. In a sectored multi three-phase machine, and even more in a segmented one, the mutual inductance value between phases of different sectors becomes the most important for this analysis [6]. The self and mutual inductances are shown in Table III for all the designs.…”

Section: B Fault Tolerant Behaviourmentioning

confidence: 99%

See 1 more Smart Citation

Design and control of segmented triple three-phase SPM machines for fault tolerant drives

Sala

Gerada

et al. 2017

2017 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)

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Section: B Fault Tolerant Behaviourmentioning

confidence: 99%

“…Another possible solution is the sectored one, based on the redundant structure idea. This solution has been analyzed in [6], where two three-phase windings are separately arranged in different stator sectors without overlapping, to achieve higher electromagnetic independence.…”

Section: Introductionmentioning

confidence: 99%

Design and control of segmented triple three-phase SPM machines for fault tolerant drives

Sala

Gerada

et al. 2017

2017 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)

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“…The corresponding slot/pole number combinations for this kind of winding connection was summarized in [10]. The comparison between single and dual 3-phase windings was shown in [11] by analyzing 12-slots/10-poles (12S/10P) PM machines. On the other hand, the electrical machines with alternate teeth wound windings will obtain a higher average torque by using unequal tooth width (abbreviated as "UETW") stator core structure.…”

Section: Introductionmentioning

confidence: 99%

Influence of Stator Topologies on Average Torque and Torque Ripple of Fractional-Slot SPM Machines With Fully Closed Slots

2018

IEEE Trans. on Ind. Applicat.

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Abstract-This paper investigates the influence of concentrated winding configurations and stator core structures on torque performance of fractional-slot surface-mounted PM (SPM) machines. From analyzing the separated torque components of prototype SPM machines with 12-slots/10-poles (12S/10P) combination by frozen permeability (FP) method, it can be found that the torque ripple is closely related with local saturation in fully closed slot (FCS) machines. Besides, the heavier local saturation will also jeopardize the merit of using alternate teeth wound windings, such as obtaining higher average torque than electrical machines with all teeth wound windings. The further analysis of stator tooth relative permeability variation over one electrical period demonstrates that the major reason for torque ripple difference among these electrical machines with different stator topologies is the asymmetric saturation between the adjacent teeth. Both the subharmonic due to armature reaction (determined by winding connection and current value) and the asymmetry of stator core structure contribute to such asymmetric saturation. In order to more clearly verify this, the complementary slot/pole number combination (12S/14P) is also analyzed. The conclusion is effective for electrical machines with other slot/pole number combinations as well. Experiments have been carried out to validate the predictions.

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“…Considerable efforts have been devoted to investigating and reducing those harmonics, including: 1) using multi-layer tooth concentrated winding and shifting the winding systems by a specific number of slots [11][12][13]; 2) using different turns per coil or different turns per coil-side [14]; 3) modifying the stator yoke in specific locations by using magnetic flux-barriers in stator yoke [14]; 4) doubling the number of stator slots and using two winding systems [15,16], 5) using delta-star windings with different turns per coil [17,18]; 6) using the multiple three-phase concentrated windings [19][20][21]. Although these techniques have been adopted, the FSCW PM machines still suffer from either sub-or high MMF harmonics.…”

Section: Introductionmentioning

confidence: 99%

Reduction of Eddy Current Loss of Permanent-Magnet Machines With Fractional Slot Concentrated Windings

Ji¹,

Chen²,

Zhao³

2015

PIER Letters

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Abstract-Fractional slots concentrated windings (FSCWs) are characterized with high magnetic motive force (MMF) harmonics which results in undesirable effects on permanent-magnet (PM) machines. A new design technique is reported in this paper in order to simultaneously reduce the sub-and high MMF harmonics. By using multiple layer windings and different turns per coil, a new 18-teeth/10-poles FSCWs PM machine is designed. Then, this machine is evaluated as compared with a conventional 12-teeth/10-poles FSCWs PM machine. Both machines are designed under the same electrical and geometrical constrains. The obtained results verify the high performances of the newly designed machine. Due to the adopted new winding type, the proposed design can effectively reduce eddy current loss in PMs as compared with the conventional design.

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Analysis and Tests of a Dual Three-Phase 12-Slot 10-Pole Permanent-Magnet Motor

Cited by 149 publications

References 9 publications

Design and control of segmented triple three-phase SPM machines for fault tolerant drives

Design and control of segmented triple three-phase SPM machines for fault tolerant drives

Influence of Stator Topologies on Average Torque and Torque Ripple of Fractional-Slot SPM Machines With Fully Closed Slots

Reduction of Eddy Current Loss of Permanent-Magnet Machines With Fractional Slot Concentrated Windings

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