Improvement to Performance of Solid-Rotor-Ringed Line-Start Axial-Flux Permanent-Magnet Motor

Mahmoudi, Amin; Kahourzade, Solmaz; Rahim, N.A.; Ping, Hew Wooi

doi:10.2528/pier11122501

Cited by 28 publications

(19 citation statements)

References 33 publications

(25 reference statements)

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“…The finite element analysis (FEA) will be engaged to conduct quantitative comparisons. It has been extensively used as an effective tool to estimate the overall performance of electric machines [12][13][14][15][16][17]. The results and conclusions drawn in this paper will help enrich the knowledge on FMPMs.…”

Section: Introductionmentioning

confidence: 98%

Quantitative Comparison of Flux-Modulated Interior Permanent Magnet Machines With Distributed Windings and Concentrated Windings

Xu¹,

Jian

Gong³

et al. 2012

PIER

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Abstract-Low speed flux-modulated permanent magnet machines (FMPMs) which are based on 'magnetic-gearing effect' have attracted increasing attention due to their high torque capability and simple structure. In order to assess the potentials of FMPMs in the application of low-speed direct-drive, two flux-modulated interior PM machines with distributed windings and concentrated windings are quantitatively compared by using finite element method. The results demonstrate that the machine with distributed windings can offer higher peak electromagnetic torques and lower torque ripples. Moreover, the machine with distributed windings also present stronger flux-weakening capability and lower power losses. The results also indicates that the magnetic saturation problem should be paid full attention when design flux-modulated interior PM machine with concentrated windings. If this problem can be well solved, the performance of machine with concentrated windings may be improved.

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Section: Introductionmentioning

confidence: 98%

Quantitative Comparison of Flux-Modulated Interior Permanent Magnet Machines With Distributed Windings and Concentrated Windings

Xu¹,

Jian

Gong³

et al. 2012

PIER

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“…Generally, there are two typical ways to formulate magnetic field of electromagnetic machines, i.e., FEM [16] and magnetic equivalent circuits [17]. FEM is an efficient and accurate means to calculate magnetic field, taking full account of nonlinearity of iron material and induced currents in electrically conducting parts [18][19][20]. However, it is time consuming and cannot give much insight into design parameters [21].…”

Section: Governing Equations Of Flux Fieldmentioning

confidence: 99%

Magnetic Field of Tubular Linear Machines With Dual Halbach Array

Yan¹,

Zhang²,

Wang³

et al. 2013

PIER

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Abstract-Permanent magnet (PM) array affects flux field distribution of electromagnetic linear machines significantly. A novel dual Halbach array is proposed in this paper to enhance flux density in air gap, and thus to improve output performance of linear machines. Magnetic field in three-dimensional (3D) space of a tubular linear machine with dual Halbach array is formulated based on Laplace's and Poisson's equations. Numerical result from finite element method is employed to simulate and observe the flux distribution in the machine. A research prototype and a testbed are developed, and experiments are conducted to validate the analytical models. The study is useful for analysis and design optimization of electromagnetic linear machines.

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“…1, utilises a full 3D model all along, which may have to be used -because of lack of appropriate symmetry -should the 2D, 2.5D or quasi-3D models fail to deliver sufficient accuracy [8,9]. Unfortunately, the heavy computational burden of 3D simulation often makes this approach simply impractical.…”

Section: Strategies For Pmm Design Using Field Modelsmentioning

confidence: 99%

Strategies for two‐dimensional and three‐dimensional field computation in the design of permanent magnet motors

Wojciechowski

Jędryczka

Demenko

et al. 2015

IET Science, Measurement & Technology

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This study discusses strategies for the design of permanent magnet motors (PMMs) exploiting two-dimensional (2D) and 3D field models. Five most common methodologies are compared and errors arising from 2D classical models considered. Examples comparing 2D and 3D results are presented and discussed for two selected types of motors. An approach has been put forward which allows the accuracy of classical 2D models to be improved by introducing correction coefficients arising from preliminary 3D simulations. A possibility of employing quasi-3D models has also been explored for the design and analysis of PMMs with the stator and rotor lamination packets of different lengths. Comparative analysis of results has been provided arising from the 2D and 3D models for a classical and a double rotor PMM.

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Improvement to Performance of Solid-Rotor-Ringed Line-Start Axial-Flux Permanent-Magnet Motor

Cited by 28 publications

References 33 publications

Quantitative Comparison of Flux-Modulated Interior Permanent Magnet Machines With Distributed Windings and Concentrated Windings

Quantitative Comparison of Flux-Modulated Interior Permanent Magnet Machines With Distributed Windings and Concentrated Windings

Magnetic Field of Tubular Linear Machines With Dual Halbach Array

Strategies for two‐dimensional and three‐dimensional field computation in the design of permanent magnet motors

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