Design of a synchronous reluctance motor drive

Miller, T.J.E.; Hutton, A.; Cossar, C.; Staton, D.A.

doi:10.1109/28.85491

Cited by 106 publications

(19 citation statements)

References 10 publications

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“…If the machines with FSCW are further analyzed, it can be observed that the combinations that lead to the highest mean torque values correspond to double layer slot windings (n l,w,s = 2) with 3 slots per pole pair (q s = 0.5), Figure 8a Although the torque capability is related to the difference between direct and quadrature inductances (Ld − Lq) [1,2,8], the correlation between the studied variable (Ld − Lq) and the objective variable (Mem) for the studied machines is weak ( Figure 9). The correlation is analyzed using the coefficient of determination, or R 2 value, of the least squares regression.…”

Section: Mean Torquementioning

confidence: 99%

“…Some winding configuration examples are shown in Figure 1 for a two-pole pair machine, with different winding types, and thus a different number of slots and winding layers. Then, the main machine dimensions are calculated based on the sizing Equations (1) and (2) [16]. Air-gap volume (V agap ) and stator current (I) are calculated for a given torque (M em,ref ), speed (ω) and voltage specifications (U n,ref ), and other parameters that are imposed based on the designer's criteria (e.g., electric loading, current density, etc.…”

Section: Design and Calculation Proceduresmentioning

confidence: 99%

“…Some advantages compared to PMSMs are also mentioned: no rotor temperature restriction, better fault-tolerant behavior and lower price [2,[5][6][7]. In some applications, SynRMs have been deemed a viable alternative for IMs and even for PMSMs, e.g., in traction or industrial applications [2][3][4]8].…”

Section: Introductionmentioning

confidence: 99%

“…Many studies have shown that SynRMs offer several advantages compared to induction machines (IM), such as a higher efficiency and torque density, lower rotor temperature and, potentially, lower price [1][2][3][4]. Some advantages compared to PMSMs are also mentioned: no rotor temperature restriction, better fault-tolerant behavior and lower price [2,[5][6][7].…”

Section: Introductionmentioning

confidence: 99%

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Optimal Pole Number and Winding Designs for Low Speed–High Torque Synchronous Reluctance Machines

et al. 2018

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This paper studies the feasibility of using synchronous reluctance machines (SynRM) for low speed-high torque applications. The challenge lies in obtaining low torque ripple values, high power factor, and, especially, high torque density values, comparable to those of permanent magnet synchronous machines (PMSMs), but without resorting to use permanent magnets. A design and calculation procedure based on multistatic finite element analysis is developed and experimentally validated via a 200 Nm, 160 rpm prototype SynRM. After that, machine designs with different rotor pole and stator slot number combinations are studied, together with different winding types: integral-slot distributed-windings (ISDW), fractional-slot distributed-windings (FSDW) and fractional-slot concentrated-windings (FSCW). Some design criteria for low-speed SynRM are drawn from the results of the study. Finally, a performance comparison between a PMSM and a SynRM is performed for the same application and the conclusions of the study are summarized.

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Section: Mean Torquementioning

confidence: 99%

Section: Design and Calculation Proceduresmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Optimal Pole Number and Winding Designs for Low Speed–High Torque Synchronous Reluctance Machines

et al. 2018

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“…Engineers investigated the SynRM and a number of new designs were developed, however with no variable frequency drives (in their current form) available at that time, application (and interest in) once again faded. In the 1980/1990's, power electronics had developed rapidly after the computer revolution in the 1970's, engineers in the 1980/90's such as Miller [15] and Staton [16] then revisited this technology. Variable frequency drives were now becoming readily available and again, a renewed interest in SynRM came about, however, in this same period, the advent of Rare Earth permanent magnets once again foiled further development.…”

Section: A Brief History Of the Synrmmentioning

confidence: 99%

Synchronous reluctance motor technology: industrial opportunities, challenges and future direction

Donaghy‐Spargo

2016

Engineering &Amp; Technology Reference

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The full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-pro t purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. Abstract: In recent years, the desire for high efficiency and high torque density electric motors without permanent magnet materials for the industrial, as well as the specialist product sectors, has increased significantly and has developed into hot research topic. This paper discusses a reemergent type of AC electrical machine, the Synchronous Reluctance Machine. Current EU legislation aims to tackle global energy usage and reduce greenhouse gas emissions, the Synchronous Reluctance motor is discussed in this context -Its potential to become the future industry standard for high efficiency, low cost, high output industrial drives for fan, pump and mill type industrial applications is explored. The reader will be brought up to speed with Synchronous Reluctance technology, presented with both its advantages and disadvantages with the suitability of the technology for industry application being discussed and a comparison made with respect to competing technologies -the traditional induction machine and the modern permanent magnet machine. Current and future research trends are outlined and a simple engineering case study is also presented as an indication of the energy saving potential of this type of machine. This paper aims to inform students, engineers and key-decision makers in industry about this exciting technology.

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Performance and cost comparison of reluctance motors used for electric bicycles

Kerdsup

Fuengwarodsakul

2016

Electr Eng

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Design of a synchronous reluctance motor drive

Cited by 106 publications

References 10 publications

Optimal Pole Number and Winding Designs for Low Speed–High Torque Synchronous Reluctance Machines

Optimal Pole Number and Winding Designs for Low Speed–High Torque Synchronous Reluctance Machines

Synchronous reluctance motor technology: industrial opportunities, challenges and future direction

Performance and cost comparison of reluctance motors used for electric bicycles

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