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Title: :  Numerical Investigation and Optimization of Switched Reluctance Machine with Geometrical Parameters Using Ansys
PaperId: :  11109
Published in:   International Journal Of Advance Research And Innovative Ideas In Education
Publisher:   IJARIIE
e-ISSN:   2395-4396
Volume/Issue:    Volume 5 Issue 6 2019
DUI:    16.0415/IJARIIE-11109
Licence: :   IJARIIE is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Author NameAuthor Institute
Naushine AbidSri Satya Sai University Sehore (M. P.), India
ALKA THAKURSri Satya Sai University Sehore (M. P.), India

Abstract

electrical engineer
Switched reluctance motor, radial force, acceleration of vibration, acoustic noise, fluctuation voltage, PWM.Ansys MAXWELL
Switched reluctance motors (SRMs) are used in numerous applications due to their simple and robust structure. In addition to being mechanically and thermally robust, features such as high torque density, efficiency, and reliability, coupled with their fault-tolerant structure and low manufacturing cost make SRMs quite attractive. SRMs are double salient pole motors. The stator has simple concentrated excitation windings, and there is no winding or magnet on the rotor. Although SRMs have many features and advantages, large torque ripple, vibration, and acoustic noise are the major disadvantages of these machines. The vibration and acoustic noise of SRMs are mainly generated by the radial forces. The radial forces cause deformation on the stator yoke, which results in vibrations and consequently, frame deformation. When these vibrations resonate with the motor body’s natural frequencies, the amplitude of the oscillations and the deformations are intensified. Hence, the acoustic noise increases significantly. The vibration and acoustic noise of SRMs have been deeply investigated throughout the years, and various methods are reported based on modifications on the motor structure and motor control for reducing them. Since this thesis is focused on the acoustic noise reduction techniques from the design perspective, the acoustic noise and vibration mitigation techniques based on the motor structure modifications are investigated. Existing methods are focused on the radial force reduction, motor natural frequency manipulation, and stator damping effect improvement. Although improving one of these factors also improves the others, most previous studies focus on a single factor. In this thesis, a new vibration and acoustic noise mitigation method are proposed. This method combines the radial force reduction and damping improvement on the stator. The radial force is reduced by introducing rectangular windows on the rotor and the stator poles, which result in a reduction in the stator deformation. In addition, damping elements that are diamond-shaped air gaps are inserted into the stator back iron. The number, size, the distance between the elements, and the distance from the stator outer surface to the first air gap are adjusted to achieve the minimum stator deformation and consequently, the minimum acoustic noise. Analyses are performed with 2D/3D electromagnetic and mechanical finite element (FEAs) and vibration analysis tools, and the acoustic noise is reduced successfully.

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IJARIIE Naushine Abid, and ALKA THAKUR. "Numerical Investigation and Optimization of Switched Reluctance Machine with Geometrical Parameters Using Ansys" International Journal Of Advance Research And Innovative Ideas In Education Volume 5 Issue 6 2019 Page 1249-1259
MLA Naushine Abid, and ALKA THAKUR. "Numerical Investigation and Optimization of Switched Reluctance Machine with Geometrical Parameters Using Ansys." International Journal Of Advance Research And Innovative Ideas In Education 5.6(2019) : 1249-1259.
APA Naushine Abid, & ALKA THAKUR. (2019). Numerical Investigation and Optimization of Switched Reluctance Machine with Geometrical Parameters Using Ansys. International Journal Of Advance Research And Innovative Ideas In Education, 5(6), 1249-1259.
Chicago Naushine Abid, and ALKA THAKUR. "Numerical Investigation and Optimization of Switched Reluctance Machine with Geometrical Parameters Using Ansys." International Journal Of Advance Research And Innovative Ideas In Education 5, no. 6 (2019) : 1249-1259.
Oxford Naushine Abid, and ALKA THAKUR. 'Numerical Investigation and Optimization of Switched Reluctance Machine with Geometrical Parameters Using Ansys', International Journal Of Advance Research And Innovative Ideas In Education, vol. 5, no. 6, 2019, p. 1249-1259. Available from IJARIIE, https://ijariie.com/AdminUploadPdf/Numerical_Investigation_and_Optimization_of_Switched_Reluctance_Machine_with_Geometrical_Parameters_Using_Ansys_ijariie11109.pdf (Accessed : 15 June 2020).
Harvard Naushine Abid, and ALKA THAKUR. (2019) 'Numerical Investigation and Optimization of Switched Reluctance Machine with Geometrical Parameters Using Ansys', International Journal Of Advance Research And Innovative Ideas In Education, 5(6), pp. 1249-1259IJARIIE [Online]. Available at: https://ijariie.com/AdminUploadPdf/Numerical_Investigation_and_Optimization_of_Switched_Reluctance_Machine_with_Geometrical_Parameters_Using_Ansys_ijariie11109.pdf (Accessed : 15 June 2020)
IEEE Naushine Abid, and ALKA THAKUR, "Numerical Investigation and Optimization of Switched Reluctance Machine with Geometrical Parameters Using Ansys," International Journal Of Advance Research And Innovative Ideas In Education, vol. 5, no. 6, pp. 1249-1259, Nov-Dec 2019. [Online]. Available: https://ijariie.com/AdminUploadPdf/Numerical_Investigation_and_Optimization_of_Switched_Reluctance_Machine_with_Geometrical_Parameters_Using_Ansys_ijariie11109.pdf [Accessed : 15 June 2020].
Turabian Naushine Abid, and ALKA THAKUR. "Numerical Investigation and Optimization of Switched Reluctance Machine with Geometrical Parameters Using Ansys." International Journal Of Advance Research And Innovative Ideas In Education [Online]. volume 5 number 6 (15 June 2020).
Vancouver Naushine Abid, and ALKA THAKUR. Numerical Investigation and Optimization of Switched Reluctance Machine with Geometrical Parameters Using Ansys. International Journal Of Advance Research And Innovative Ideas In Education [Internet]. 2019 [Cited : 15 June 2020]; 5(6) : 1249-1259. Available from: https://ijariie.com/AdminUploadPdf/Numerical_Investigation_and_Optimization_of_Switched_Reluctance_Machine_with_Geometrical_Parameters_Using_Ansys_ijariie11109.pdf
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