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Relevant bibliographies by topics / Slot-pole combinatio

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Academic literature on the topic 'Slot-pole combinatio'

Author: Grafiati

Published: 1 April 2023

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Journal articles on the topic "Slot-pole combinatio"

1

Azeem, Muhammad, and Byungtaek Kim. "Characteristic analysis of flux switching PM machine with various pole and slot combinations." International Journal of Applied Electromagnetics and Mechanics 64, no. 1-4 (December 10, 2020): 667–74. http://dx.doi.org/10.3233/jae-209377.

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This paper examines the influence of pole and slot combinations on the electromagnetic performance of the flux-switching permanent magnet (FSPMs) machine. For this purpose, first the production of air gap flux density in machine analytically discussed. Next, five different pole and slot combination are selected by using the knowledge of air-gap flux density expression. The performances of the different combinations are analyzed and compared using the finite element analysis (FEA), and optimal pole and slot combination is suggested. It is found that the pole and slot combination has a dominant effect on machine performance and needs to be considered during the design stage.

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2

Guo, Liyan, and Huimin Wang. "Research on Stator Slot and Rotor Pole Combination and Pole Arc Coefficient in a Surface-Mounted Permanent Magnet Machine by the Finite Element Method." World Electric Vehicle Journal 12, no. 1 (February 13, 2021): 26. http://dx.doi.org/10.3390/wevj12010026.

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A surface-mounted permanent magnet (SPM) machine is widely used in many auxiliary parts of an electric vehicle, so its design level directly influences the performance of the electric vehicle. In the design process of the SPM machine, selecting the appropriate stator slot and rotor pole combination and pole arc coefficient is a necessary and important step. Therefore, in this paper, a 750 W machine is set as an example to research stator slot and rotor pole combinations and pole arc coefficients for the SPM machine. First, the design schemes of machines adopting different stator slot and rotor pole combinations are determined according to the winding coefficient, stator size, and electromagnetic performance requirements. Further, finite element models of SPM machines with different stator slot and rotor pole combinations are established by Ansys Maxwell. On this basis, the back electromotive force (back EMF), cogging torque, electromagnetic torque, and loss and efficiency of SPM machines are calculated and compared to select the better stator slot and rotor pole combinations. Further, effects of pole arc coefficient on cogging torque and electromagnetic torque are also researched to guide the selection of the pole arc coefficient in the design process of the SPM machine. Conclusions achieved in this paper will provide guidance for design of the SPM machine.

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3

Park, Soo-Hwan, Eui-Chun Lee, Gi-Ju Lee, Soon-O. Kwon, and Myung-Seop Lim. "Effect of Pole and Slot Combination on the AC Joule Loss of Outer-Rotor Permanent Magnet Synchronous Motors Using a High Fill Factor Machined Coil." Energies 14, no. 11 (May 25, 2021): 3073. http://dx.doi.org/10.3390/en14113073.

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This paper proposes a design guideline for selecting the pole and slot combination of an outer-rotor permanent magnet synchronous motor (PMSM) using a maximum slot occupation (MSO) coil. Because the MSO coil has a large conductor area, the AC Joule loss in the conductors may be increased at high frequencies. To ensure high-efficiency for the PMSM, it is necessary to reduce the loss. Thus, it is important to select the pole- and slot- combination that has the minimum AC Joule loss. The loss is caused by skin/proximity effects and variations in the slot leakage flux. The skin effect is due to the armature winding and the variation in the slot leakage flux is due to the field flux. A method for separating the AC Joule loss due to each component using the frozen permeability method is proposed. Based on the proposed method, the effect of each cause on the loss at various pole- and slot- combinations is analyzed in this study.

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4

Torreggiani, Ambra, Claudio Bianchini, Matteo Davoli, and Alberto Bellini. "Design for Reliability: The Case of Fractional-Slot Surface Permanent-Magnet Machines." Energies 12, no. 9 (May 5, 2019): 1691. http://dx.doi.org/10.3390/en12091691.

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Surface permanent-magnet machines are widely used in different applications, from industrial automation to home appliance and electrical traction. Among any possible machine topology, the fractional-slot surface permanent-magnet one has gained increasing importance, because of its high torque density, low cogging torque, extended flux weakening capability and high efficiency. In addition, fractional-slot machines are attractive for tooth concentrated windings, which allow some optimized manufacturing solutions such as modular stator tooth and high slot filling factor, which result in copper volume reduction; cost reduction, and lower stator parasitic resistances. The slot–pole combination is one of the most important design parameter and, as shown in this paper, it affects performances and the robustness of the machine with respect to the manufacturing imperfections. In the literature, slot–pole combinations are optimized at design phase by finite-element analysis relying on a healthy machine model. The original contribution of this paper is a design for reliability method that models manufacturing defects and includes them at design phase in the optimization process of slot–pole combinations. A method is presented that allows defining the optimal design parameters for maximum performances and robustness towards unavoidable imperfections caused by tolerances of the manufacturing process.

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5

Yu, Shen Bo, Shen Cao, Lei Li, and Feng Yi Xiao. "Research on Characteristics of Cogging Torque of Permanent Magnet Synchronous Motor Based on Finite Element Method." Applied Mechanics and Materials 313-314 (March 2013): 37–40. http://dx.doi.org/10.4028/www.scientific.net/amm.313-314.37.

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This paper presents a method of reducing cogging torque of Permanent Magnet Synchronous Motor (PMSM) based on Finite Element Method (FEM). Cogging torque can be reduced by pole and slot number combination and the length of air gap reasonably. An investigation into the cogging torque in 4 pole, 48 slot and 6 pole, 54 slot interior-magnet machines with overlapping winding is described. The calculation results show that cogging torque can be reduced by nearly 50% by pole and slot number combination reasonably. Then influence of different length of air gap on cogging torque is also researched. Cogging torque can be weaken by increasing the length of air gap effectively, the smoothness of the motor running can be improved.

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6

Lee, Sangjin, Changhwan Kim, Yongha Choo, Gyeonghwan Yun, and Cheewoo Lee. "Torque analysis of a permanent magnet synchronous motor using flux densities in air gap." AIP Advances 13, no. 2 (February 1, 2023): 025313. http://dx.doi.org/10.1063/9.0000566.

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Permanent magnet synchronous motors (PMSMs) having high power density and high efficiency are rigorously researched in various premium applications. Among PMSMs, many studies have been conducted on interior permanent magnet synchronous motors (IPMSMs) to improve torque ripple, but its accurate estimation is not straightforward. Therefore, a six-pole nine-slot (6p/9s) IPMSM is adopted as a base model due to its popularity in academia and industries, and other two pole/slot combinations (8p/12s and 10p/15s) are additionally selected to investigate the influence of a pole/slot combination on torque ripple. Torque performance is easily identified by analyzing tangential force due to their direct proportional relation. In this paper, magnetic flux densities in radial and tangential direction are systematically analyzed since tangential force is determined by the product of the two magnetic flux densities. The modification of a stator pole regarding its tip thickness is chosen as a key parameter in 6p/9s IPMSM. The thickness of a stator pole tip opposite to the direction of spin is more critical in torque ripple improvement. It is verified that the proposed method is sufficient for accurate torque prediction.

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7

Wang, Xiu Ping, Chun Yu Qu, Xiao Feng Xu, and Dong Rui Wang. "Design and Analysis of Fractional-Slot Concentrated-Winding Permanent Magnet Machine for Wind Power Generation." Applied Mechanics and Materials 668-669 (October 2014): 611–14. http://dx.doi.org/10.4028/www.scientific.net/amm.668-669.611.

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In order to obtain the low synchronous speed, fractional-slot concentrated-winding PM machine is adopted to wind power generation system. This paper analyzed the pole slot combination rule, and then studied the electromagnetic design method by taking 12-slot and 10-pole machine. By using the finite element software, the characteristics is analyzed for this fractional-slot concentrated-winding permanent magnet generator, the research results show that this generator has good performance, thus prove that fractional-slot concentrated-winding scheme is feasible and effective.

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8

Rehman, Abdur, and Byungtaek Kim. "Design and Analysis of 15 MW SPM Vernier Generator for Direct-Drive Wind Turbine Applications." Energies 16, no. 3 (January 19, 2023): 1094. http://dx.doi.org/10.3390/en16031094.

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This paper presents the design and an analysis of a surface PM vernier generator (SPMVG) for MW-scale direct-drive (DD) wind turbine application. An SPMVG has the advantage of higher torque density; however, especially at higher power ratings with increased electrical loadings, the power factor worsens and there are some serious concerns including magnetic saturation of cores and PM demagnetization. These issues are directly related to machine design parameters such as PM dimensions, applied electrical loading, slot geometry and the choice of slot–pole combination. It is determined that depending on the PM thickness and a few other design variables, each slot–pole combination has an optimal value of specific electrical loading. The use of the optimal value of specific electrical loading ensures that the machine is not saturated, the performance is optimum and the power factor is not unnecessarily degraded. Moreover, under certain design constraints, design criteria are developed that ensure the proper choice of various entailed design variables. By using the developed design criteria, the trends of various electromagnetic performances with variation in the slot–pole combination are discussed. The obtained trends clearly show that each slot–pole combination offers a certain torque density and power factor; thus, it serves as a guide for the selection of the slot–pole combination considering the required torque density and/or certain power factor limit. Finally, by using the developed design approach, an SPMVG for rated power of 15 MW is designed; the design objectives are to maximize torque per volume with a power factor limit of 0.4. Moreover, the various aspects of the performances of the designed SPMVG are comprehensively compared against a conventional PM DD 15 MW generator.

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9

Yun, Gyeonghwan, Yongha Choo, Changhwan Kim, Sangjin Lee, Do-Kwan Hong, and Cheewoo Lee. "Vibration analysis of a permanent magnet synchronous motor by a pole/slot combination." AIP Advances 13, no. 2 (February 1, 2023): 025017. http://dx.doi.org/10.1063/9.0000568.

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A sixteen-pole eighteen-slot (16p/18s) permanent magnet synchronous motor (PMSM) developed in Korea Electrotechnology Research Institute (KERI) for a vertical articulated robot is chosen as a reference model, and other two pole/slot combinations (20p/18s, 20p/24s) are together compared in terms of electrical and mechanical performance. Radial force density varying in time and space is decomposed through Fast Fourier Transform (FFT), and vibration is calculated from the harmonics of radial force. The vibration of 20p/24s is best due to its mode of 4 among the three pole/slot combinations. Additionally, the variation of radial force density with respect to torque is compared between 16p/18s and 20p/18s. Despite the same number of slots in both motors, the slope of 20p/18s is greater than that of 16p/18s in radial force density due to the different number of poles. As a result, the vibration of 20p/18s is worse than that of 16p/18s.

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10

Wu, Chuan Guo, Jian Zhong Zhang, Yu Ting Chen, and Ming Cheng. "Comparison Study of Tubular Linear Surface-Mounted Permanent Magnet Actuator with Different Fractional Slot Winding." Applied Mechanics and Materials 416-417 (September 2013): 281–86. http://dx.doi.org/10.4028/www.scientific.net/amm.416-417.281.

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There are many slot/pole combinations may be selected for the fractional slot tubular linear surface-mounted motors (TLSPM) used as actuators for high voltage breakers, such as 15/8, 15/4, 15/2, 12/8. Compared with integral slot winding, the fractional slot winding has more advantages. Since the winding arrangement will be changed due to the different slot/pole numbers. The characteristics of the TLSPM with different fractional slot, such as detent force, back EMF, are analyzed and compared in this paper. It is shown that good performance may be achieved by selecting appropriate fractional slot design.

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Conference papers on the topic "Slot-pole combinatio"

1

Gao, Jian, Yanan Yu, and Shoudao Huang. "Winding layers and slot/pole combination in fractional slot/pole PMSM—Effects on motor performance." In 2009 International Conference on Electrical Machines and Systems (ICEMS). IEEE, 2009. http://dx.doi.org/10.1109/icems.2009.5382699.

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2

Yusivar, F., H. S. V. Roy, R. Gunawan, and A. Halim. "Cogging torque reduction with pole slot combination and notch." In 2014 International Conference on Electrical Engineering and Computer Science (ICEECS). IEEE, 2014. http://dx.doi.org/10.1109/iceecs.2014.7045258.

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3

Sun, Zhen, Kota Watanabe, and Xiaozhuo Xu. "Influence of Slot and Pole Number Combinations on PMLSM with Consequent Pole." In 2021 13th International Symposium on Linear Drives for Industry Applications (LDIA). IEEE, 2021. http://dx.doi.org/10.1109/ldia49489.2021.9505983.

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4

Sung Oh Kang, Hong Soon Choi, and Il Han Park. "Flux fluctuations in rotor core according to pole-slot combination." In 2012 IEEE Vehicle Power and Propulsion Conference (VPPC). IEEE, 2012. http://dx.doi.org/10.1109/vppc.2012.6422497.

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5

Souissi, Amal, Imen Abdennadher, Ahmed Masmoudi, Fabrizio Marignetti, and Roberto Di Stefano. "On the design of fractional slot T-LPMSMs: effect of the slot-pole combination." In 2016 Eleventh International Conference on Ecological Vehicles and Renewable Energies (EVER). IEEE, 2016. http://dx.doi.org/10.1109/ever.2016.7476413.

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6

Chengyu, Wang, Liu Chuang, Jiang Renhua, Zhang Jie, and Ning Yinhang. "Effect of slot-and-pole combination on the flux-weakening properties of fractional-slot concentrated windings." In 2014 17th International Conference on Electrical Machines and Systems (ICEMS). IEEE, 2014. http://dx.doi.org/10.1109/icems.2014.7013510.

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7

Dogan, H., F. Wurtz, A. Foggia, and L. Garbuio. "Analysis of slot-pole combination of fractional-slots PMSM for embedded applications." In 2011 International Aegean Conference on Electrical Machines and Power Electronics (ACEMP) and Electromotion Joint Conference. IEEE, 2011. http://dx.doi.org/10.1109/acemp.2011.6490669.

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8

Dusek, Jiri, Puvan Arumugam, Tahar Hamiti, and Chris Gerada. "Selection of slot-pole combination of permanent magnet machines for aircraft actuation." In 2015 International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles (ESARS). IEEE, 2015. http://dx.doi.org/10.1109/esars.2015.7101531.

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9

Carraro, Enrico, Nicola Bianchi, Sunny Zhang, and Matthias Koch. "Performance comparison of fractional slot concentrated winding spoke type synchronous motors with different slot-pole combinations." In 2015 IEEE Energy Conversion Congress and Exposition. IEEE, 2015. http://dx.doi.org/10.1109/ecce.2015.7310510.

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10

Seun Guy Min and Bulent Sarlioglu. "Investigation of electromagnetic noise on pole and slot number combinations with possible fractional-slot concentrated windings." In 2017 IEEE Transportation Electrification Conference and Expo (ITEC). IEEE, 2017. http://dx.doi.org/10.1109/itec.2017.7993278.

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