Magnetodielectrics in induction motors with disk rotor

Kubzdela, S.; Węgliński, B.

doi:10.1109/20.43996

Cited by 20 publications

(13 citation statements)

References 1 publication

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“…In some studies, different materials have been used, such as iron, magneto dielectric, superconductors, etc. [22,23] In this study, AFIMs are designed to have the same efficiency class as RFIM in IE3 efficiency class used in industry. In addition, the rotor is skewed to minimize the torque ripple.…”

Section: Axial Flux Machine Topologiesmentioning

confidence: 99%

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Performance Analysis of Axial-Flux Induction Motor with Skewed Rotor

2020

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In recent years, with developing technology in the field of electrical machines, more efficient and high power density electric motors have been produced. The use of high energy efficiency motors gains importance due to the increase in global energy demand. The main purpose of this study was to design an Axial Flux Induction Motor (AFIM) with the same efficiency class as the Radial Flux Induction Motor (RFIM) in premium efficiency (IE3) class which is used commonly in industrial applications. Various AFIMs are designed with different rotor slot numbers and performance analyses as efficiency and torque ripple changes are investigated. It is known that torque ripple is one of the key parameters in electrical machine design which should be kept as low as possible without decreasing efficiency and torque. Accordingly, AFIMs’ rotor slots are skewed considering the stator and rotor slot numbers. The use of a Soft Magnetic Composites (SMC) material in design is also investigated. As a result of the analyses, many premium efficiency classes for AFIMs are obtained. In addition, using SMC material and skewing the rotor slots provides that torque ripples be reduced.

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Section: Axial Flux Machine Topologiesmentioning

confidence: 99%

“…In some studies, different materials have been used, such as iron, magneto dielectric, superconductors, etc. [22,23].…”

Section: Introductionmentioning

confidence: 99%

Performance Analysis of Axial-Flux Induction Motor with Skewed Rotor

2020

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“…Early attempts of using SMC in motor construction started in 1980s, [32][33][34][35] but due to various reasons the motor performance was far from satisfactory.…”

Section: Development Of Smc Motorsmentioning

confidence: 99%

Applications of soft magnetic composite materials in electrical machines

Guo

Zhu

2006

Australian Journal of Electrical and Electronics Engineering

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Soft magnetic composite (SMC) materials and their application in electrical machines have undergone significant development in the past decade. The major advantages of the materials include isotropic magnetic and thermal properties, very low eddy current loss and relatively low total core loss at medium and higher frequencies, and nearly net-shape low cost fabrication process with good tolerance and surface finish by using the well developed powder metallurgical techniques (no need of further machining). It is even anticipated that the application of SMC may lead to a revolutionary development in the electrical machine manufacturing industry. This paper reviews the study about the application of SMC in electrical machines by the authors and other researchers. Both successful experiences and existing difficulties are discussed, and possible further work required for the commercial success of SMC machines is proposed.

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“…The first one is the constructional problem of the laminated‐slotted core. The lamination causes some difficulties in the machining of grooves, normally in the milling or grinding processes, which are costly and labor‐intensive . This problem has been solved using the proposed method of .…”

Section: Introductionmentioning

confidence: 99%

Design, analysis, and implementation of extra low air-gap single-phase axial-flux induction motors for low-cost applications

Tootoonchian

Nasiri‐Gheidari

Lesani

2016

Int. Trans. Electr. Energ. Syst.

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Summary In this paper, design and prototyping of two‐speed capacitor‐run single‐phase axial‐flux induction motor (AFIM) for direct‐drive applications is presented. The proposed structure has single stator‐single rotor configuration with high magnetic pull between the stator and rotor, which may compel rotor to lock. Although the most efficient method to overcome this problem is using a second rotor or stator in the mirror with the first one, it is not applicable in low‐cost applications. So, in this paper, two new and fast construction techniques are proposed to fabricate an AFIM with extra low air‐gap length and minimum cost. Beside design and optimization process, a thermal equivalent circuit considering radial and lateral heat transfers is proposed. Then different losses and thermal resistances are exactly calculated to estimate the temperature rise of different motor parts and the maximum specific magnetic and electric loadings. Then, motor performance is evaluated using three‐dimensional time‐stepping finite‐element analysis. Finally, a comprehensive fabrication algorithm for AFIMs is presented, and a prototype of the studied motor is fabricated and tested. The experimental results validate the design, optimization, thermal model, and finite element simulations. Copyright © 2016 John Wiley & Sons, Ltd.

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Magnetodielectrics in induction motors with disk rotor

Cited by 20 publications

References 1 publication

Performance Analysis of Axial-Flux Induction Motor with Skewed Rotor

Performance Analysis of Axial-Flux Induction Motor with Skewed Rotor

Applications of soft magnetic composite materials in electrical machines

Design, analysis, and implementation of extra low air-gap single-phase axial-flux induction motors for low-cost applications

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