A multipole single-phase SMC flux reversal motor for fans

Dmitrievskii, Vladimir; Prakht, Vladimir; Sarapulov, Sergey; Askerov, Dmitri

doi:10.1109/icelmach.2016.7732505

Cited by 5 publications

(9 citation statements)

References 6 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Introducing a small space-gap between the adjacent PMs belonging to the same stator pole shoe, as illustrated in Figure 11, has helped to improve the phase back-emf and cogging torque [29]. FRM designed with soft magnetic composite materials for fans exhibited a significant increase in efficiency while producing high power density and reducing the usage of PMs compared to the existing PM type machines [30]. Based on electromagnetic compatibility, high-speed FRM topology has been proposed for the angular grinder as shown in Figure 12 and experimental results show that the Comparing different topologies of the FRM, that is, the consequent-pole permanent magnet (CPM) topology with the SMPM topology, as illustrated in Figure 10, it was concluded that CPM topology improves the torque performance and reduces the magnetic volume [27].…”

Section: Structure and Configuration Of Re-pm Frmmentioning

confidence: 99%

Design and Performance Assessment of a Small-Scale Ferrite-PM Flux Reversal Wind Generator

2020

View full text Add to dashboard Cite

Currently, there is increasing research interest in harnessing wind energy for power generation by means of non-conventional electrical machines e.g., flux-reversal machines. The flux reversal machine is usually designed using scarce rare–earth permanent magnet material which may be unattractive in terms of machine cost. In this study, an attempt is made to re-design the flux reversal machine with non-rare-earth ferrite permanent magnet for wind energy applications. Because these machines possess high cogging torque, which results in vibration and noise, that are detrimental to the machine performance, especially at low speeds, a novel combined skewed and circumferential rotor pole pairing method is developed. The proposed cogging torque reduction method is implemented in 2-dimensional finite element analysis modeling and comparatively analyzed with other existing stand-alone methods viz., skewing, and rotor pole pairing. The results show that the proposed method led to 94.8% and 71% reduction in the cogging torque and torque ripple compared to the reference generator, respectively. However, the calculated torque density is reduced by 13%. Overall, the electromagnetic performance of the proposed ferrite PM machine exhibits desirable qualities as an alternative design for the direct drive wind generator.

show abstract

Section: Structure and Configuration Of Re-pm Frmmentioning

confidence: 99%

Design and Performance Assessment of a Small-Scale Ferrite-PM Flux Reversal Wind Generator

2020

View full text Add to dashboard Cite

show abstract

“…This design also corresponds to the patent [6]. Paper [7] describes a 48-pole SMC FRM, which was designed according to the same patent.…”

Section: Introductionmentioning

confidence: 99%

“…Unlike the FRM made of laminated steel [1], [2], [3], the SMC FRM winding has no end parts. Thus the winding is entirely used for inducing MMF [7]. This contributes to the improvement of both the power-to-weight ratio as well as the efficiency of the machine.…”

Section: Introductionmentioning

confidence: 99%

“…This contributes to the improvement of both the power-to-weight ratio as well as the efficiency of the machine. Besides, compared to traditional manufacturing techniques of the stator and rotor cores by means of punching electrical steel, use of SMC helps to reduce material wastage [7]. Fig.…”

Section: Introductionmentioning

confidence: 99%

“…Three-phase motors have much lower torque ripple and can be used in a broader range of applications. This paper considers the possibility of developing a three-phase, low-speed gearless motor based on the SMC FRM design described in [7]. This three-phase motor consists of three single-phase machines that are mounted on a single shaft, shifted relative to each other by 120 electrical degrees (see Fig.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Design and Mathematical Modeling of Gearless SMC Flux Reversal Motor

Prakht

Dmitrievskii

Kazakbaev

et al. 2018

2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles &Amp; Interna

Self Cite

View full text Add to dashboard Cite

This paper considers the design of a three-phase gearless flux reversal machine (FRM) with permanent magnets (PM) mounted on the stator. Its stator magnetic core is made of a solid soft magnetic composite material (SMC) with a slot for laying the winding in the middle. 48 magnetic poles are located on the surface of each stator tooth, while the rotor has 24 teeth. This paper describes the mathematical model and the results of the performance calculation of the three-phase SMC FRM operating in motoring mode. Finally, comparison of the SMC FRM with the characteristics of the conventional surface mounted permanent magnet machine (SM-PMSM) made of laminated steel is performed. For fair comparison, both the SMC FRM and SM-PMSM have the same outer stator diameter and approximately the same volume.

show abstract