Готові списки джерел за темами / Tooth Coil windings

Добірка наукової літератури з теми "Tooth Coil windings"

Автор: Grafiati

Опубліковано: 14 березня 2023

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Статті в журналах з теми "Tooth Coil windings"

Panteleev, S. V., A. B. Menzhinski, and A. N. Malashin. "Development of an analytical model for determining the magnetic leakage flux through the stator teeth of a synchronous electric machine with a fractional tooth winding." Proceedings of the National Academy of Sciences of Belarus, Physical-Technical Series 67, no. 1 (April 7, 2022): 75–85. http://dx.doi.org/10.29235/1561-8358-2022-67-1-75-85.

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Анотація:

As a result of the study of a two-dimensional finite element model of the magnetic field of a synchronous electric machine with fractional tooth windings, typical magnetic fluxes (fundamental, edge effect, scattering) in its magnetic system have been identified. The analysis of the degree of influence of magnetic fluxes of the edge effect and scattering on the magnitude of the main magnetic flux is carried out and equivalent circuits of the magnetic circuit of the studied synchronous electric machine with fractional tooth windings are constructed for different positions of the stator teeth relative to the rotor poles. An analytical model has been developed to determine the main magnetic flux through the coil of the working winding of a synchronous electric machine with fractional toothed windings. A feature of the proposed model is taking into account the dependence of the main magnetic flux through the coil of the working winding on the coordinate of the rotor position, the magnetic fluxes of the edge effect and scattering. The developed model allows solving the problem of quantitative determination of the value of the main magnetic flux through the coil of the working winding with high accuracy. In addition, the proposed model makes it possible to determine the influence of the main geometrical parameters of the magnetic circuit on the nature of the change in the main magnetic flux through the coil of the working winding with the least amount of time. The developed analytical model can be applied in the process of optimizing a synchronous electric machine with fractional tooth windings.

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Tang, Y., J. J. H. Paulides, and E. A. Lomonova. "Winding topologies of flux-switching motors for in-wheel traction." COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 34, no. 1 (January 5, 2015): 32–45. http://dx.doi.org/10.1108/compel-11-2013-0377.

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Purpose – The purpose of this paper is to investigate winding topologies for flux-switching motors (FSMs) with various segment-tooth combinations and different excitation methods. Design/methodology/approach – For the ac winding of FSM, two winding topologies, namely the concentrated winding and the distributed winding, are compared in terms of the winding factor and efficiency. For the field winding of dc-excited FSM (DCEFSM), another two winding topologies, namely the lap winding and the toroidal winding, are compared in terms of effective coil area, end-winding length, and thermal conditions. Analytical derivation is used for the general winding factor calculation. The calculation results are validated using finite element analysis. Findings – Winding factors can be used as an indication of winding efficiency for FSMs in the same manner as done for synchronous motors. For FSMs with concentrated windings, the winding factor increases when the rotor tooth number approaches a multiple of the stator segment number. For FSMs with certain segment-tooth combinations, e.g. 6/8, the theoretical maximum winding factor can be achieved by implementing distributed windings. Furthermore, the toroidal winding can be an efficient winding topology for DCEFSMs with large stator diameter and small stack length. Research limitations/implications – This work can be continued with investigating the variation of reluctance torque with respect to different segment-tooth combinations of FSM. Originality/value – This paper proposes a general method to calculate the winding factor of FSMs using only the phase number, the stator segment number, the rotor tooth number, and the skew angle. Using this method, a table of winding factors of FSMs with different segment-tooth combinations is provided. Principle of design of FSMs with high-winding factors are hence concluded. This paper also proposed the implementation of distributed windings for FSM with certain segment-tooth combinations, e.g. 6/8, by which means a theoretical maximum winding factor is achieved. In addition, different winding topologies for the field winding of DCEFSM are also investigated.

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Wohlers, C., P. Juris, S. Kabelac, and B. Ponick. "Design and direct liquid cooling of tooth-coil windings." Electrical Engineering 100, no. 4 (July 2, 2018): 2299–308. http://dx.doi.org/10.1007/s00202-018-0704-x.

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Acquaviva, Alessandro, Stefan Skoog, Emma Grunditz, and Torbjörn Thiringer. "Electromagnetic and Calorimetric Validation of a Direct Oil Cooled Tooth Coil Winding PM Machine for Traction Application." Energies 13, no. 13 (June 30, 2020): 3339. http://dx.doi.org/10.3390/en13133339.

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Tooth coil winding machines offer a low cost manufacturing process, high efficiency and high power density, making these attractive for traction applications. Using direct oil cooling in combination with tooth coil windings is an effective way of reaching higher power densities compared to an external cooling jacket. In this paper, the validation of the electromagnetic design for an automotive 600 V, 50 kW tooth coil winding traction machine is presented. The design process is a combination of an analytical sizing process and FEA optimization. It is shown that removing iron in the stator yoke for cooling channels does not affect electromagnetic performance significantly. In a previous publication, the machine is shown to be thermally capable of 25 A/mm 2 (105 Nm) continuously, and 35 A/mm 2 (140 Nm) during a 10 s peak with 6 l/min oil cooling. In this paper, inductance, torque and back EMF are measured and compared with FEA results showing very good agreement with the numerical design. Furthermore, the efficiency of the machine is validated by direct loss measurements, using a custom built calorimetric set-up in six operating points with an agreement within 0.9 units of percent between FEA and measured results.

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Ge, X., Z. Q. Zhu, R. Ren, and J. T. Chen. "A Novel Variable Reluctance Resolver with Nonoverlapping Tooth–Coil Windings." IEEE Transactions on Energy Conversion 30, no. 2 (June 2015): 784–94. http://dx.doi.org/10.1109/tec.2014.2377214.

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Lee, Ho-Young, Seung-Young Yoon, Soon-O. Kwon, Jin-Yeong Shin, Soo-Hwan Park, and Myung-Seop Lim. "A Study on a Slotless Brushless DC Motor with Toroidal Winding." Processes 9, no. 11 (October 21, 2021): 1881. http://dx.doi.org/10.3390/pr9111881.

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In this study we developed a brushless DC (BLDC) slotless motor with toroidal winding. The proposed toroidal winding is a method of winding a coil around a ring-type stator yoke in the circumferential direction. As there is no need for a slot or tooth structure, it can be designed with a slotless motor structure that is advantageous for vibration and noise. The basic principle of operation and motor characteristics of a slotless motor with toroidal winding were explained using an analytical method and finite element analysis (FEA). Further, the air gap flux density, winding factor, and back electromotive force (EMF) for changes in the winding angle and number of coil turns were calculated using the analytical method and compared with the FEA results. Finally, the resistance, back EMF, cogging torque, and performance of the prototype were measured and compared with the FEA results. The results show that the air gap flux density and winding factor were approximately the same with an error of <2%, while the back EMF had an error of ~10% from the analysis result. Thus, the proposed slotless motor provides a basic design for conveniently manufacturing brushless DC (BLDC) slotless motors with toroidal windings.

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Lindh, Pia, Juho Montonen, Paula Immonen, Juan A. Tapia, and Juha Pyrhonen. "Design of a Traction Motor With Tooth-Coil Windings and Embedded Magnets." IEEE Transactions on Industrial Electronics 61, no. 8 (August 2014): 4306–14. http://dx.doi.org/10.1109/tie.2013.2279126.

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Baudart, François, Laetitia de Viron, Sergio Ivanov, and Francis Labrique. "Modular control of fault-tolerant permanent magnet synchronous machines with tooth-coil windings." European Journal of Electrical Engineering 16, no. 2 (April 30, 2013): 185–220. http://dx.doi.org/10.3166/ejee.16.185-220.

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Qu, Huan, Han Yang, and Zi Qiang Zhu. "Analysis of Stator-Slot Circumferentially Magnetized PM Machines with Full-Pitched Windings." World Electric Vehicle Journal 12, no. 1 (February 23, 2021): 33. http://dx.doi.org/10.3390/wevj12010033.

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Stator-slot circumferentially magnetized PM machines (SSCMPMMs) have high fault-tolerant capability. In this paper, the SSCMPMMs with full-pitched windings and different stator slot/rotor pole numbers are investigated, together with the influence of key geometric parameters. It shows that the 12 stator-slots 7 rotor-poles (12S7R) machine delivers the highest torque. It is then compared with the SSCMPMM with tooth-coil windings. The results show that when they have the same active length, the 12S7R machine delivers significantly higher torque and higher efficiency. Furthermore, when the machine length is over around 140 mm, the 12S7R machine is more advantageous in producing high torque and high efficiency. A prototype is manufactured and tested to validate the theoretical analyses.

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Diana, Michela, Riccardo Ruffo, and Paolo Guglielmi. "Low torque ripple tooth coil windings multi-3-phase machines: design considerations and validation." IET Electric Power Applications 14, no. 2 (February 1, 2020): 262–73. http://dx.doi.org/10.1049/iet-epa.2019.0178.

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Більше джерел

Дисертації з теми "Tooth Coil windings"

DIANA, MICHELA. "Tooth-coil wound multiphase synchronous machines." Doctoral thesis, Politecnico di Torino, 2018. http://hdl.handle.net/11583/2713044.

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Анотація:

Nowadays we are witnessing a strong growth in the full electric vehicle market. In the field of traction the requirements are low weight, small dimensions and low cost, without renouncing reliability and good performances. The high power density requirement is pushing the research towards integrated drive solutions. A particular drive that allows to obtain more insightful integrated solutions is the multi-phase one. In fact, in multi-phase structures it is possible to realize a converter as a combination of standard modules with an equal subdivision of the current. The resulting power electronics modules meet the needs of an integrated solution: smaller and widely distributed. Although road electric vehicles primarily adopt 3-phase drives, the multi-phase version could represent a good alternative not only for its integration capability but also for other features like reduced weight and volume, high efficiency, low vibrations and noise, robustness and, overall, fault tolerance. The aim of this thesis is to investigate a particular category of multiphase machines, characterized by a very simple structure that allows to match manufacturing and performance standards. In Chapter 1, the subcategory of multiphase machine object of the investigation is identified. Considering a simple stator structure, as the tooth-coil wound, a general algorithm to identify the right stator-rotor coupling in multiphase machine is presented. In Chapter 2, an analytical and generalized formulation of the harmonic fields at the air gap for the multi-n-phase solutions chosen is reported allowing to understand and quantify the harmonic compensation in the MMF. Starting from the Lorenz Force Law an analytical formulation of the torque and torque ripple is then proposed. The model proposed has been then verified by Finite Element Analysis (FEA). In Chapter 3, the main issues tackled in the design of a nine phase machine are reported. Between the possible solutions a 9 slot 10 poles PM-inset machine has been chosen. The chapter reports the evaluation of the performance conducted by the time stepping FEA. The chapter reports the experimental results that were conducted on a prototype. A description of the control infrastructure is reported. In Chapter 4, a simple modulation strategy that allows to reduce the DC-link stress for a triple-3-phase drive is presented. The analysis of the benefits introduced by the PWM phase shifting are evaluated by steady state simulations ,using the software Pspice, in all the possible operating conditions. A worst case approach has been chosen in order to find the best angle of shifting between carriers to reduce the DC-link rms current in multi-3-phase drives. The results of the experimental validation are reported. The same analysis has been extended to sectored multiphase. In Chapter 5, a mathematical model is proposed in order to evaluate the torque and the torque ripple in fractional slot tooth-coil wound (TCW) Synchronous Reluctance (SyR) machines. Considering a generic harmonic field and an ideal SyR rotor, the rotor magnetic potential is modelled and the torque equations are calculated starting from the Lorenz Force Law. Time stepping FEA results are reported in order to verify the formulations. Appendix A reports the mathematical demonstration that defines the rotor reaction for an ideal SyR rotor together with the methodologies used to design the SyR constant permeance rotor. Appendix B reports the manufacturing process of the machine. Appendix C reports the COOL-TIE concept: a cooling devices for the electrical machine compatible with the power electronic integration

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Тези доповідей конференцій з теми "Tooth Coil windings"

Montonen, Juho, Pia Lindh, and Juha Pyrhonen. "Design process of traction motor having tooth coil windings." In 2012 XXth International Conference on Electrical Machines (ICEM). IEEE, 2012. http://dx.doi.org/10.1109/icelmach.2012.6350038.

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Uzhegov, Nikita, Juha Pyrhonen, and Sergey Shirinskii. "Loss minimization in high-speed Permanent Magnet Synchronous Machines with tooth-coil windings." In IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2013. http://dx.doi.org/10.1109/iecon.2013.6699601.

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Lindh, P. M., J. J. Pyrhonen, P. Ponomarev, and D. Vinnikov. "Influence of wedge material on losses of a traction motor with tooth-coil windings." In IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2013. http://dx.doi.org/10.1109/iecon.2013.6699598.

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Xu, F., T. R. He, Z. Q. Zhu, H. Bin, D. Wu, L. M. Gong, and J. T. Chen. "Comparison of 2-pole Slotted High-speed Motors with Toroidal and Tooth-coil Windings." In 2022 IEEE 5th International Electrical and Energy Conference (CIEEC). IEEE, 2022. http://dx.doi.org/10.1109/cieec54735.2022.9845996.

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Uzhegov, Nikita, Janne Nerg, and Juha Pyrhonen. "Design of 6-slot 2-pole high-speed permanent magnet synchronous machines with Tooth-Coil windings." In 2014 XXI International Conference on Electrical Machines (ICEM). IEEE, 2014. http://dx.doi.org/10.1109/icelmach.2014.6960544.

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Uzhegov, Nikita, Emil Kurvinen, and Juha Pyrhonen. "Design limitations of 6-slot 2-pole high-speed permanent Magnet Synchronous machines with Tooth-Coil windings." In 2014 16th European Conference on Power Electronics and Applications (EPE'14-ECCE Europe). IEEE, 2014. http://dx.doi.org/10.1109/epe.2014.6910811.

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Wohlers, C., and B. Ponick. "First estimations of stator dimensions for permanent magnet synchronous machines with tooth-coil windings and direct liquid cooling." In 2020 International Conference on Electrical Machines (ICEM). IEEE, 2020. http://dx.doi.org/10.1109/icem49940.2020.9270897.

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Uzhegov, Nikita, Janne Nerg, and Juha Pyrhonen. "An analysis of the 6-slot 2-pole high-speed permanent magnet synchronous machines with tooth-coil windings." In IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2015. http://dx.doi.org/10.1109/iecon.2015.7392373.

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Schmidt, Erich, Marko Susic, and Andreas Eilenberger. "Finite element analysis of an external rotor permanent magnet synchronous machine with star- and delta-connected tooth coil windings." In 2010 XIX International Conference on Electrical Machines (ICEM). IEEE, 2010. http://dx.doi.org/10.1109/icelmach.2010.5608233.

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Schmidt, E., and M. Susic. "Parameter evaluation of permanent magnet synchronous machines with tooth coil windings using the frozen permeabilities method with the finite element analyses." In 2012 25th IEEE Canadian Conference on Electrical and Computer Engineering (CCECE). IEEE, 2012. http://dx.doi.org/10.1109/ccece.2012.6334827.

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