Axial flux induction motor

When the main axial flux cuts the rotor bars, force applies on rotor bars and due to Lenz’s it moves in a direction which minimizes the rotor induced EMF. Thus, based on Jan 1, 2012 · This paper presents the design and optimization of a superconductor induction motor in axial flux configuration, using HTS BSCCO-2223 tapes. In the latter machines, the flux must “take a bend” in both the stator and the rotor, unlike in axial flux machines where the electromagnetic flux follows a straight path through the stator. Section 3 introduces the corresponding Jan 29, 2023 · 3D model of axial flux motor, double rotor, yokeless. Acknowledgement. Because the axial and transverse motor designs can have the rotating member located on their outer diameter, they create higher torque while reducing their motor footprint. On the other hand, induction motor is the most common technology for industrial applications [4]. , electric vehicles) to large generators (i. heavy duty motors. In the axial flux design, the magnets and stator are arranged with the poles parallel to the shafting, and the flux directed axially (hence the name). To simplify the analysis of its 3-D electromagnetic field distribution (EFD), a novel multi-slice and multi-layer method is applied. . According to comparison, the most suitable one is determined as the drive motor for the reference electric vehicle. The proposed method consisting Produce lots of torque. Electrical evaluation and results in geometries of 4, 6 Jan 28, 2024 · This chapter takes axial flux induction motor (AFIM) for EV applications as an example and describes in detail how to design and optimize an electric motor from the above three steps. The off-set in the number of poles P=16 and the number of coils C=15 creates three distinct phase peaks, A, B, and C, separated mechanically and electrically by 120˚. This paper gives a state-of-the-art overview of AFIMs in Mar 1, 2014 · SUMMARY The objective of this paper is to investigate the torque–speed characteristics of single-phase axial flux squirrel cage induction motors using a two-dimensional (2-D) electromagnetic field analysis. In this paper, a six-pole distributed-winding and double-stator-double-rotor axial flux induction motor with Axial Flux Induction Motor. Copper is used in the rotor cage. To further improve the solution efficiency, this article takes an axial-flux induction planar motor that compensates tangential forces generated by tilting of deployable mechanism in spacecraft ground test as the research object and proposes an This paper proposes a novel dual stator solid rotor axial flux induction motor (DSSRAFIM) for a low-cost flywheel energy storage system. The next radial flux motor s motors utilization of the world until this time. Based on these analyses, the main findings of the review Apr 4, 2024 · The proposed motor is a dual rotor axial flux squirrel cage induction motor with a stator in the center. paper provides a fast d esign method for two-stator-one-rotor. Besides, our motors stand out from other axial flux motors in exceptional high power / torque density, low weight and compact design. For example, there Apr 18, 2022 · The dual rotor axial flux induction motor has been studied in the literature [23-25], and with slight modifications, it can be used in a contra-rotating application. Ironless BLDC motors also come in. Because of their very low axial length-to-diameter ratio, axial flux motors are frequently referred to as ‘flat’ or ‘pancake’ motors. This article presents the optimization of axial-flux induction motors (AFIMs) for the electric vehicles This article presents the optimization of axial-flux induction motors (AFIMs) for the electric vehicles application by solving the Maxwell's equations inside five subdomains. Patel told Machine Design during a one-on-one briefing that Infinitum will roll out the next generation of its axial flux motor (Aircore EC motor) at AHR Expo Jul 1, 2021 · Double Stator Axial Flux Induction Motors (DS-AFIM) and DR-AFIM topologies of 6-8-10 pole motors were analyzed using 3D models with combinations of 36, 48, 60 stator slot numbers and 52 rotor slot Oct 1, 2010 · Abstract. The reasons for these lopsided distributions will become apparent as the various ways of constructing an axial flux motor are discussed below. The electromagnetic torque in AFIM is produced over a continuum research[2]. According to the company, a 100-kW axial-flux permanent-magnet (AFPM Feb 27, 2020 · Double Stator Axial Flux Induction Motors (DS-AFIM) and DR-AFIM topologies of 6-8-10 pole motors were analyzed using 3D models with combinations of 36, 48, 60 stator slot numbers and 52 rotor slot The axial flux permanent magnet machine (AFPMM), also known as disc-type motors, is an attractive alternative used for various purposes such as traction application, electric vehicles, hybrid Sep 11, 1991 · A new approach for the design and construction of axial flux induction motors is presented. main difference between axial flux and radial flux motors is the direction of magnetic flux. One has an axial-flux topology, the other one is a radial-flux outer-rotor machine and the third one is a radial-flux inner-rotor machine. The axial flux induction motor can also be used in the automobile drive system because of the power density advantages of the disc motor (Mushid and Dorrell, 2017). We already feature in some of the best eMotor applications across multiple sectors, and now as part of Mercedes In this course, we will follow the electromagnetic design of three case-study motors:Axial-flux induction motor (Double stator)Axial-flux induction motor (Double Read More Axial-Flux Surface Mounted Permanent Magnet Motor Design Course This paper presents an axial-flux induction motor which has a single stator and two squirrel-cage rotors mounted on individual, independents shafts driving two wheels of an electric vehicle. Feb 11, 2021 · This article proposes a mathematical model of an axial flux induction motor (AFIM) with one stator and one rotor. The yokeless AF The motor studied is a one-rotor-one-stator axial-flux induction motor, and thus, there is only one air-gap between the rotor and the stator. The model depends on the electromagnetic torque equation, which depicts the relationship We are a manufacturing and development company whose main products are innovative axial flux e-motors. We specialise in the development of axial flux induction motors (AFIM) suitable for applications ranging from P2 hybrid through to fully integrated Dual eAxle and eBus/eTruck hub motors. Our axial flux technology motors are up to 4x more powerful than those used in nearly all Electric Vehicles on the road today, whilst being around 50% smaller & lighter. This motor has independent bearings. Features of the Jun 3, 2023 · In double-rotor axial-flux induction motors, due to the elimination of the axial force between the rotor and the stator, the amount of air gap can be smaller than the single-sided axial-flux motors. cations as diesel-electric locomotives. Oct 1, 2019 · The approach is based on an analytical resolution of the Maxwell’s equations inside a set of subdomains, which allows detailed modelling and accurate steady-state performance prediction of AFIMs in a very short time, making possible evaluation of numerous design for the optimization. These advantages include compact Jul 13, 2018 · The technology is scalable from small motors (i. B. 2, the derived analytical model for AFIM is presented. [ 29 ] can be used for air-gap length determination, where P n is the rated power of the motor. Based on the direction of the magnetic field, motors are classified into two categories, First is the radial flux motor (Induction motor), which is used in 99% of applications today, and second is the axial flux motor. Nov 9, 2018 · Compared with a smooth solid rotor, the slotted solid rotor in a high-speed dual stator slotted solid-rotor axial-flux induction motor (SSRAIM) improves the performance. Electrical motors are one of the key building blocks in power systems and an important load type in industry and residential buildings. proposed method consisting of a n accurate motor analytical Jan 22, 2024 · Aircore Motor Topology is Different. (AFIM) Like a typical squirrel cage induction motor, the AFIM eliminates the need for rare-earth permanent magnets entirely, yet matches the IPMSM for torque density and energy Axial flux induction motors have attracted attention in electric vehicles due to their advantages over conventional motors, including higher efficiency, compact structure, high utilization of materials, and good ventilation and cooling. 8952278. As a principle of optimization and efficiency, the configuration of the axial flux motor represents a significant advantage with respect to the radial flux motor, for which this type of configuration is commonly Nov 17, 2016 · In an effort to improve the torque density of automotive induction motors Evans Electric have developed a double stator, copper rotor, axial flux induction motor. Jun 8, 2018 · It combines the construction characteristics of both an axial flux induction motor and a solid rotor induction motor, so there are similarities in EFD. 5, can be classified based on the number of stators and rotors as shown in Fig. 1109/VPPC46532. Download : Download high-res image (101KB) Nov 15, 2019 · Abstract. They produce a lot of torque, but their speeds are limited due to the rotor’s design. Cost-Effective: They typically use less permanent magnet material, which can result in lower production costs. Conference on Power Electronics, Drives and Energy Systems (PEDES), 2018, pp. motors direct the magnetic flux perpendicular to the axis. Dec 15, 2021 · This paper deals with axial-flux induction motor modelling using an analytical technique based on Fourier analysis (also called sub-domain method). This design allows for a more compact motor, with shorter axial length and a Oct 20, 2020 · After both motors were completely designed, they were simulated three dimensionally through the FEM and the outputs of the machines were compared. The main purpose of this study was to design an Axial Flux Induction Motor (AFIM) with the same efficiency class as the Radial Flux Oct 25, 2023 · In axial-flux motors, the magnetic field is parallel to the shaft and the windings are arranged in a planar fashion. These advantages include compact construction, better efficiency, high utilization of active materials, and good ventilation and cooling. Modelling and perfor mance analysis methods of axial flux induction motors is another point that has been widely dis-cussed in the literature [22, 23]. For. This paper proposes a novel self-bearing dual stator solid rotor axial flux induction motor (BDSSRAFIM) which combines axial thrust magnetic bearing and rotating electric motor for flywheel energy storage system (FESS). First of all, development of FESS is briefly introduced. axial flux motors is branched according to their type of construction Figure 3 [2]. Nov 20, 2023 · Pros of Radial Flux Electric Motors. Then, 2-D and This paper presents an improved analytical model for axial-flux induction motors (AFIMs) based on solving the magnetic vector potential equations. So it attracts the attention of the investigators to work on the performance prediction and design of these motors. Conference: 2019 IEEE Vehicle Power and Propulsion Conference (VPPC) Authors: Babak Dianati Feb 1, 2022 · Although the axial flux generators are superior to radial flux generators, the use of radial flux generators for wind power generation is still being developed [13]. This will significantly increase torque density. DOI: 10. The motor was designed for higher rotational speeds, and therefore a good mechanical strength of the solid-rotor-core rotor is required to withstand the mechanical stresses. FluxMotor’s intuitive environment allows users - from generalist to Introduction: Induction motors are the commonest type of motor and account for a very large proportion of. The quasi-one-dimensional theory and the penetration depth method assume that the electromagnetic field distribution in the solid rotor is uniformly presented as follows [16]: The proposed motor is a dual rotor axial ux squirrel cage fl induction motor with a stator in the center. Finally, a comparison between the rated characteristics of the axial flux motor with a traditional YASA is at the forefront of eMotor innovation and development. such machines [1–3]. machines (RF engine). May 31, 2022 · Mercedes-Benz’s new Vision AMG all-electric coupe show car features an axial-flux EV motor. The rotor bars are short circuited using The present paper discusses the design, modeling, and analysis of a dual rotor axial flux induction motor (DRAFIM) with two separate stator windings. One stator – One rotor AFIM Design of one stator and one motor is the simplest design of axial flux induction motor. 1 [6 Jan 1, 2012 · Among them, axial flux induction motor (AFIM) has attracted more attention for its advantages over conventional motors in applications of EVs. 1-6. This channel will continuously share many introductions and technologies of electromagnetic analysis and motor design. The proposed approach computes the equivalent circuit parameters of the machine from energy computation. The performance of this motor in different operating conditions of the vehicle is discussed and investigated. e. The uniqueness of the engines lies in the extremely fast adaptation to the customer’s needs. This can significantly increase torque density. Until relatively recently most such motors had to operate at fixed speeds. The concept of axial-flux induction machines (AFIM) is drawing particular attention since it shows performance characteristics that are superior to the conventional radial flux induction machine (RFIM). The length of the air-gap has a significant Jun 12, 2015 · The present paper describes the design fabrication of a low cost Axial Flux Induction Motor having radial slots. This paper provides a fast design method for two-stator-one-rotor axial flux induction motor of electric vehicle applications. Secondly, in order to control BDSSRAFIM accurately, this paper analyzes its construction and characteristics, derives a Jan 2, 2024 · As explained in Part 1: Axial Flux versus Radial Flux, the flux path of yokeless axial flux machines is a lot shorter compared to a radial flux machine. Form consists of only one piece of the stator and the rotor pieces. Double Stator Axial Flux Induction Motors (DS-AFIM) and DR-AFIM topologies of 6-8-10 pole motors were analyzed using 3D models with combinations of 36, 48, 60 stator slot numbers and 52 rotor slot numbers in each motor. By this analytical method, DSSRAFIM is equivalent to a finite set of double primary steel secondary linear induction motors Abstract—axial flux induction motors have attracted attention in electric vehicles due to their advantages over conventional motors, including higher efficiency, compact structure, high In this paper, two-dimensional (2D) analytical model is proposed for axial-flux induction motor (AFIMs) based on the solution of magnetic vector potential equations, which also considers the saturation's effect on the performance of the machine. Sizes vary from fractional horsepower to several thousand horsepower used for such appli-. Structure Simplicity: Radial flux motors are simpler in design compared to axial flux motors, making them easier to manufacture and maintain. An axial flux induction electrical machine as defined in Dec 1, 2018 · Double Stator Axial Flux Induction Motors (DS-AFIM) and DR-AFIM topologies of 6-8-10 pole motors were analyzed using 3D models with combinations of 36, 48, 60 stator slot numbers and 52 rotor slot Apr 20, 2017 · In hybrid and electric vehicles, the drive motor should have high torque density, high power density, high efficiency, strong physical structure and variable speed range. The designed motor consists of a stator core with two overlap windings, which is sandwiched between two squirrel cage rotors. Jul 13, 2018 · 1. To further improve the solution efficiency, this article takes an axial-flux induction planar motor that compensates tangential forces generated by tilting of deployable mechanism in spacecraft ground test as the research object and proposes an Abstract: In electromagnetic field subdomain analysis, the dimension of the coefficient matrix is the main factor affecting the solution speed. It allows a detailed modelling and accurate steady-state performance prediction of the AFIMs in a short time (under 1 sec). The use of high energy efficiency motors gains importance due to the increase in global energy demand. In[4],by selecting the appropriate rotor slot, the harmonic component of the air gap flux density of axial flux induction motor is weakened to improve the output torque. Toroidal double sided stator ferromagnetic core has two distinct separate three phase slot-by-slot windings, each of active surface of stator is facing toroidal rotor ferromagnetic core having squirrel cage of either copper or brass bars. Mar 7, 2023 · Aura is also in the final stages of completing its design for a 250 kW axial flux induction motor suitable for electric vehicle applications and which is expected to provide up to 77 kW of power per liter volume (representing nearly a 200% improvement in power density over most electric vehicle motors currently in use) and 97. A PM synchronous motor and an induction motor both having dual air-gap, axial flux configurations have been designed. The stator has a two-sided slotted structure and a three-phase full-pitch lap winding for each side. May 19, 2021 · Conversely, the majority of radial flux machines are the asynchronous induction type, whereas most axial flux machines are the PM synchronous type. Each rotor has 18 aluminum bars This article presents the optimization of axial-flux induction motors (AFIMs) for the electric vehicles application by solving the Maxwell's equations inside five subdomains that allows a detailed modelling and accurate steady-state performance prediction of the AFIMs in a short time. 5% efficiency. The model is based on the expression for the electromagnetic torque, which presents a function of two independent variables: the axial length of the stator core and the flux density in the air gap. An axial flux induction motor is an interesting solution, where the motor is a double sided axial flux machine. If you have any suggestions or want to Oct 1, 2019 · Axial-Flux Induction Motors for Electric Vehicles. axial flux induction motor of electric vehicle applications. Targeting a 2025 market entry, the motor is expected to increase power density by 30% and range by 5% This paper presents a design algorithm of a dual rotor axial flux induction motor, constructed from two cage rotors and a toroidal wound stator. According to the results, the new motor had a higher air-gap flux density, a higher Back-EMF, a lower harmonic, and a higher torque than the axial-flux conventional permanent-magnet motor. Axial flux induction motor is gradually attracting attention because of its advantages over conventional motors in applications of Electric Vehicles. Based on the number of stator and rotor, the axial flux generators can be classified into single-side, double-side and multi-stage topologies which are shown clearly in Fig. The two possible topologies (NN and NS) of DRAFIM has been discussed and analyzed with series and parallel connections motors such as switched reluctance motors [20], induction motors have some advantages and disadvantages in EV appli-cations, which are examined in Ref. AFIMs modelling methods can Apr 4, 2024 · This article proposes a dual independent rotor axial flux induction motor (DIR-AFIM) with two degrees of freedom as a propulsion motor for an electric vehicle (EV). The rest of this chapter is organized as follows: in Sect. The model is developed from the quasi- magneto-static Maxwell's equations, which are analytically solved. The analytical model is verified against 2D finite-element analysis. com/axial-flux-induction-motor-design-course/#Induction_Motor_Design #Axial_Flux #Indu Dec 7, 2022 · Axial-flux permanent-magnet (AFPM) motors are a kind of important motor with compact structure, high power density and high torque density. The advantage of the proposed approach is its fast simulation time (fractions of a second against minutes/hours in FEA) while maintaining over 95 % accuracy compared to FEA that makes it suitable for Aug 18, 2022 · Double Stator Axial Flux Induction Motors (DS-AFIM) and DR-AFIM topologies of 6-8-10 pole motors were analyzed using 3D models with combinations of 36, 48, 60 stator slot numbers and 52 rotor slot presented as follows [16]: The proposed motor is a dual rotor axial ux squirrel cage fl induction motor with a stator in the center. [21]. Two-phase axial flux disc rotor induction motor applications are presented with experience (Dwivedi et al. Some of the special features include better power-to Herzog, 2010). To summarize the influence of slots on performances by 2-D finite-element method (FEM), a multislice method is applied, which simplify the 3-D electromagnetic field distribution (EFD) in SSRAIM into the 2-D EFD in a finite set Sep 28, 2021 · Axial flux motors are considered the ultimate future of electric vehicles and most importantly of electric aviation because they have a high torque-to-weight working rule of axial flux induction motors is same as that of conventional radial flux induction motors. 11. In[3],an axial flux induction motor is proposed for EVs,which has two stators and two rotors with reduced back iron. This motor has independent bearings and two degrees of freedom, and all the design steps are described in . In this paper a brief history of axial flux induction motors are presented and then the Aug 18, 2022 · The aim of this study is to compare the axial flux induction motors (AFIM) used in electric vehicles by analyzing them with finite element method in different poles, number of slots and topologies. 2019. This paper presents the design and optimization of a superconductor induction motor in FluxMotor is dedicated to addressing the global design of electric motors. In the literature, a multi-slice method was proposed for an axial flux induction motor [10, 11], and a multi-layer method was proposed for a solid rotor induction motor [12, 13]. Magnax says the key to the high power density is its motors’ yokeless AF design with two rotors at each side of the machine. Both of these two type motors have twin stators and double-side The. Compare them with radial flux motors and see how they can change the powertrain design. Comparison of radial- and axial-flux machines. Learn about the advantages, challenges and applications of axial flux motors for electric vehicles. Oct 31, 2018 · This study proposes a novel dual stator solid rotor axial flux induction motor (DSSRAFIM) for flywheel energy storage system and the computational methods for its equivalent circuit parameters. It enables engineers to accelerate the design of machines, quickly explore a variety of configurations while considering multiphysics constraints, and select the most promising options within minutes. While, it can find little attention to practical developments of axial flux induction motors (AFIMs) Feb 11, 2021 · In [18], an axial flux induction motor (AFIM) with a single stator and rotor is mathematically modeled. In this review, the progress of AFPM motors and their key technologies are analyzed and described, with emphasis on the topological structures, design and optimization methods and control techniques. Oct 15, 2020 · This. The results show the correctness of proposed design algorithm and also show the high accuracy of equivalent circuit model Nov 1, 2023 · Adrian et al. This novel induction machine inherently behaves as an electromagnetic differential motor and thereby performs the function of both the engine and the differential of a conventional vehicle. The authors considered three permanent-magnet synchronous generator types in their work. It considers a uniform distribution of Dec 15, 2021 · Optimal design of Axial-Flux Induction Motors based on an improved analytical model @article{Kahourzade2021OptimalDO, title={Optimal design of Axial-Flux Induction Motors based on an improved analytical model}, author={Solmaz Kahourzade and Amin Mahmoudi and Emad Roshandel and Zhi Cao}, journal={Energy}, year={2021}, volume={237}, pages={121552 Dec 31, 2012 · Design and construction in axial magnetic flux configuration are a new alternative to develop HTS motors. , 2015). Feb 16, 2017 · In this study, the Axial Flux Synchronous Reluctance Motor (AF-SynRM) with multiple barriers in its rotor is designed and it is aimed to compare the performance with the Axial Flux Induction Motor Nov 13, 2022 · The architecture of the motor is a variant of what is known as an axial flux, or axial gap, machine. The steady state performance of the motor is analyzed using equivalent circuit and time stepping 3D finite elements method (FEM). axial flux motors, the magnetic flux is directed parallel to the axis of the shaft, whereas radial flux. Nov 12, 2022 · Axial-flux induction motor design, how to enroll?https://comprogexpert. In this study, the effect of saturation and anisotropy of electromagnetic cores is taken into account. Therefore, it can be interesting to utilise the benefits of axial flux structure and induction motors, simultaneously. Jun 3, 2023 · A two‐degrees‐of‐freedom (2DOF) dual‐rotor axial‐flux induction motor (2DOF‐DRAFIM) is proposed with independent movement capability of rotors and its performance is evaluated in detail. Different design options of The induction motor with an axial air gap shows some performance characteristics that are superior to conventional induction machines. However, similar to axial flux PM motors, the winding difficulty is unavoidable for producing contra-rotating magnetic fields around the three-phase stator. This allows calculating the main dimensions of the motor with the highest possible Jul 9, 2022 · A motor is a machine which transforms electrical energy into mechanical energy. The design and construction procedure proposed was tested in the construction of a 25 HP and 240 RPM axial flux induction motor with an anisotropic rotor. Dec 10, 2022 · Dual Rotor Axial Flux Induction Motor," 2018 IEEE International. The Computer-Aided Design ("CAD") files and all associated content posted to this website are created, uploaded, managed and owned by third-party users. The. An axial flux induction motor is a stimulating solution, where the motor may be a double sided axial flux machine. Sep 1, 2008 · The influence of the air-gap length on the performance of a 45 kW / 6000 min-1 axial-flux aluminium-cage solid-rotor-core induction motor is studied. , wind-turbine generators). We are a manufacturing and development company whose main products are innovative axial flux e-motors. An axial flux motor also has a higher power density, developing 30-40% more torque than a similar-sized radial motor, and has better cooling. presented a comparative study for a 3-kW axial flux and RFPM generators used for MWT application. This paper presents design optimization of axial- flux induction motors (AFIMs) for electric vehicles Mar 1, 2024 · Axial-Flux motors, shown in Fig. I've never heard anyone even discussing an axial motor without magnets like the classic three phase squirrel cage motor, but as discussion in electric cars have brought to attention, magnets could be problematic in terms of sustainability Abstract—Axial flux induction motor is gradually attracting attention because of advantages over conventional motorsits advantages over conventional motors in applications of Electric Vehicles. R0 r1 T2 T1 s1. Output power of propulsion motor of an electric vehicle has been determined by Abstract: In electromagnetic field subdomain analysis, the dimension of the coefficient matrix is the main factor affecting the solution speed. During this paper a review of the axial flux motor for automotive applications, and therefore the different possible topologies for the axial field motor, are presented. Looking at designs of axial flux motors, supposedly the next big leap in lightweight motor technology, I noticed that they all contain have a lot of magnets. Furthermore, the effect of harmonics is considered in the analysis. The following equation that is proposed in Ref. calculations are presented as an example. Flux starting from the stator moves toward the rotor and An axial flux induction electrical machine as defined in claim 1, characterized in that the electrical machine comprises on the other side of the rotor in axial direction an element to conduct magnetic flux, the element being a ring or a disc fabricated of ferromagnetic material. October 2019. Aug 27, 2020 · In recent years, with developing technology in the field of electrical machines, more efficient and high power density electric motors have been produced. 6 and have the utmost potential to offer the highest torque, power density, and efficiency (greater than 96%) as demonstrated by YASA 14 and General Motors prototypes [13]. st af ru mf qz rb jk jg xx at