Design and implementation of axial flux induction motor single stator. In small machines, to obtain enough free space between. This paper presents the design and optimization of a superconductor induction motor in axial flux configuration, using hts bscco2223 tapes. Using stator discharge current for the parameter estimation of a.
In 9 parviainen, niemela, pyrhonen, and mantere reported. Pdf design of axial flux induction motor with reduced. Accordingly, in this study, a widespread design consideration is carried out on rotor skewing arrangements of a dual rotor dr axial flux induction motor with the aim of pulsating torque reduction. A high temperature superconductor axial flux induction motor is proposed, for which the primary windings are made from hts tapes and the secondary is conductive nonmagnetic aluminum conductor.
Axial flux induction motor for automotive applications. Pdf a survey on axial flux induction motors semantic scholar. An axial flux induction motor containing both laminates and soft magnetic composite materials is described. Permanentmagnet synchronous motor, axialflux pmsm, radialflux pmsm. Because axial flux induction motors afims have many advantages over radial flux.
Design of axial flux permanentmagnet lowspeed machines and performance comparison between radial flux and axial flux machines lappeenranta 2005 153 p. Electrical evaluation and results in geometries of 4, 6, and 8 poles of an ironless stator are. Winner of the standing ovation award for best powerpoint templates from presentations magazine. These advantages include compact construction, better efficiency, high utilization of active materials, and good ventilation and cooling. The structure of axial flux induction motor a stator windings are omitted for. Keywordsaxial flux induction motor, squirrel cage, double. The cogging torque of axial flux motor will be suppressed after changing the traditional fan shape axial flux motor magnet into skewed fan shape.
Toroidal double sided stator ferromagnetic core has two. Development of axial flux hts induction motors core. New axial flux electric motors pack more ev power in a. These machines as a motor or as a generator are more efficient than their radial flux machines siblings. In this paper, a combination of a modular, axial flux, and torroidal stator winding are applied to a permanentmagnet generator. So it attracts the attention of the investigators to work on the performance prediction and design of these motors. A double stator architecture offers the highest torque density coupled with balanced axial forces. In case of radial flux machines, the heat has to be transported through the stator to the outside of the machine. This new generation of directdrive electric machines will. Pdf experiences with axialflux induction motor researchgate. Axial flux induction motor for hybrid and electric cars.
Design and construction in axial magnetic flux configuration are a new alternative to develop hts motors. To simplify the analysis of its 3d electromagnetic field. With the dimensions used for the comparison, the dl ratio was 3. The basic benefit comes in from the possibility of grain oriented steel u. Terziidentification of induction motor parameters from free acceleration and. How an induction motor works by equations and physics. Pdf axial flux induction motor, design and evaluation of steady. Also, it can withstand high overloading and have low torque ripple. The axial flux induction motor also contains rotors bars that are skewed. Hts axial flux induction motor with analytic and fea. L r s and be the angular velocities of the magnetic field line frequency, rotor, and slip respectively. Development of axial flux hts induction motors sciencedirect. In this paper a new detailed model of motor considering. Stator windings condition diagnosis of voltage inverterfed induction motor in open and closedloop control.
Our af motor axial flux motor if the low torque permanent magnet motor within the eta motors range. Download pdf info publication number us20170016449a1. Performance prediction of a singlephase capacitorrun axial flux induction motor under static eccentricity. An axial flux induction motor is an interesting solution, where the motor is a double sided axial flux machine. New axial flux electric motors pack more ev power in a smaller package duration. Fluxmotor is a flexible software solution dedicated to the predesign of electric motor. Axial flux motors as a genre are a very specific set of machines.
At the right, the concentrated windings of the magnax axial flux motor. The force character is analyzed by analytic method and fe method. In this paper a new detailed model of motor considering saturation, anisotropy and harmonics is developed. Axial flux induction motor is gradually attracting attention because of its advantages over conventional motors in applications of electric vehicles. Design of axial flux permanent magnet brushless dc motor. Induction motor equations engn1931f spring 2017 2 let. Pdf a survey on axial flux induction motors semantic.
This paper proposes a novel dual stator solid rotor axial flux induction motor dssrafim for a lowcost flywheel energy storage system. In radial flux machines, energy conversion takes place in the cylindrical air gap between the rotor and stator. Motor cad induction motor combined electromagnetic and thermal model february 2015 description the motor cad allows the machine performance, losses and temperatures to be calculated for an induction machine. Beside distinct advantages of single phase axial flux induction motors, they suffer from high torque ripple. Review of axial flux induction motor for automotive. Diagnostic system for induction motor stator winding faults based on axial flux. Axial flux motor is also suffering from eddy current losses, and its work efficiency will be also affected by the high temperature demagnetization. Rahman also reports that the cogging torque was lower for the axial flux design. Why arent axial flux motors dc or ac very popular or. The coil overhang in a traditional radial flux motor is not beneficial for its functioning left. Axial flux torque density nml the earliest electrical machines were axial flux motors with the first prototype built by michael faraday in 1831. Its disadvantages, however, are low powerdensity, huge size and average eciency. A wind turbine generator must be light to minimize the. Australian journal of electrical and electronics engineering.
Pdf this paper presents a design algorithm of a dual rotor axial flux induction motor, constructed from. Permanentmagnet motor competing with induction motor in ev application has recently been developed. S l r the flux in the singleturn coil on the rotor surface is. Evans electric designed the new motor with integration, miniaturization and high energy efficiency in mind. The motor studied is a onerotoronestator axial flux induction motor, and thus, there is only one airgap between the rotor and the stator. Design of axial flux induction motor with reduced back.
With axial flux induction motor afim, the construction of electrical motors that is slimmer than conventional motors become possible, because the stator and rotor. In this paper a brief history of axial flux induction motors are presented and then the different structures of them are discussed. Pdf axial flux induction motor, design and evaluation of. Electric car axial flux 3 phase ac induction wheel motor test.
A new generation of axial flux ev motors design news. The motor was designed for higher rotational speeds, and therefore a good mechanical strength of the solidrotorcore rotor is required to withstand the mechanical stresses. Design of an axial flux machine for an inwheel motor. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Although the design is intended for wind turbine applications, this pm machine can be used for many other applications. Designed by msftechnologies for electric and hybrid drive. E2 counter emf generated by the air gap flux the counter emf e2 is equal to the stator terminal voltage less the voltage drop caused by the stator leakage impedance. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect.
Ppt induction motor powerpoint presentation free to. The design of the direct drive inwheel motor is shown in fig. This master thesis deals with the design of an axial. A comparison between axial and radial flux pm motor by. The magnetic flux density generated by these currents stator at any arbitrary moment is given by.
The axial flux asynchronous induction motor offers 90 kw of power, 300 nm of peak torque and features very high torque density. The present paper describes the design fabrication of a low cost axial flux induction motor having radial slots. Axial flux, modular, permanentmagnet generator with a. Lappeenranta university of technology isbn 9522140295, isbn 9522140309 pdf, issn 14564491. It enables engineers to easily design their machines from standard, customized and parametric parts, add windings with multilevel assistant and attribute materials to quickly run a.
The motor could produce more than 500 n levitation force with 45 a current at 100 hz. Pancake motors offer high torque and power density values. Study of an axial flux disc motor with superconductor rotor. Axial flux induction motor for onwheel drive propulsion. A comparison of radial and axial flux structures in. Development and test of an axial flux type pm synchronous motor. Application of neural networks and axial flux for the. Design optimization of a singlephase axial flux induction. The induction motor with an axial air gap shows some performance characteristics that are superior to conventional induction machines. By combining these two materials, the axial flux induction motor obtains a limited volumetric space, including a limited height, and smooth torque output, including a limited ripple. Performance prediction of a singlephase capacitorrun.
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