Prior Computation of the Stator Current Dynamic Response for Torque Ripple Reduction in AC Motor Drives

Authors

  • Hemantha Kumar Ravi Electric Vehicles – Incubation, Testing and Research Centre, Vellore Institute of Technology, Chennai, India
  • Sathyanarayanan Nandagopal Electric Vehicles – Incubation, Testing and Research Centre, Vellore Institute of Technology, Chennai, India
  • Lenin Natesan Chokkalingam Electric Vehicles – Incubation, Testing and Research Centre, Vellore Institute of Technology, Chennai, India

DOI:

https://doi.org/10.13052/dgaej2156-3306.3926

Keywords:

Dynamic current control, duty ratio modulation, field-oriented control

Abstract

In electric vehicles, the performance of the electric motor drive system depends on the characteristics of the control scheme applied. This paper discusses the torque ripple in an induction motor drive scheme exclusively and also proposes a new scheme to minimize it. The major cause of the torque ripple in induction motor drive is the presence of a high stator torque component (q-axis current) ripple. In the proposed scheme, the inverter is switched with the optimal duty ratio for the minimum q-axis current ripple. This leads to a decrease in q-axis current error and eventually torque ripple reduction. The distortion of the stator current waveform is also limited and gives rise to lower total harmonic distortion (THD). The feasibility of this proposed duty ratio modulated (DRM) improved torque and flux control scheme is studied using the MATLAB/Simulink computation tool and validated through appropriate experimentation.

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Author Biographies

Hemantha Kumar Ravi, Electric Vehicles – Incubation, Testing and Research Centre, Vellore Institute of Technology, Chennai, India

Hemantha Kumar Ravi is pursuing PhD at Vellore Institute of Technology, Chennai, India. He has received a grant from the Institution of Engineers (India) for the development of the 1 kW direct torque-controlled induction motor drive. He has also been involved in a project funded by the Combat Vehicles Research Development Establishment (CVRDE), DRDO India as a Junior Research Fellow. During the project, he designed (a) control algorithms for electrical generators such as (i) induction generators, (ii) permanent magnet synchronous generators, (iii) synchronous reluctance generators and (b) DC-DC converters for solar and battery charging applications. He has published 7 international journals and 5 international conferences. His research areas are in the vector control of AC drives for automotive applications.

Sathyanarayanan Nandagopal, Electric Vehicles – Incubation, Testing and Research Centre, Vellore Institute of Technology, Chennai, India

Sathyanarayanan Nandagopal is a PhD research scholar with the School of Electrical Engineering, Vellore Institute of Technology, Chennai, India. He worked as a Junior Research Fellow (JRF) at Vellore Institute of Technology, Chennai, India for Combat Vehicles Research and Development Establishment (CVRDE), Defence Research and Development Organisation (DRDO), India. During this period he designed and analysed single-phase and three-phase induction generators. His research interests include the design and analysis of induction motors in the hub and frame mount for electric two-wheelers and three-wheelers with a power range of 1 kW to 5 kW. Further to this, his interests include domestic applications such as ceiling fans, IE4 efficiency motors for mono-block and submersible pumps in the range of 4 kW to 11 kW. He has published 6 journal articles and has presented at various conferences including SAE ADMMS’19 and ITEC India 2019.

Lenin Natesan Chokkalingam, Electric Vehicles – Incubation, Testing and Research Centre, Vellore Institute of Technology, Chennai, India

Lenin Natesan Chokkalingam completed his PhD at Anna University, Chennai in the year 2012. He has published more than 50 international journals and international conferences. He is involved in various consultancy and funded projects for developing high-performance electric motor drives. He has four patents. He serves as an editor and associate editor in “The Global Electrical Engineers” and “International Journal of Electrical and Computer Engineering” respectively. He is an editorial member of the Majlesi Journal of Energy Management. He has 19 years of teaching experience. Currently, he is working as a Professor and Deputy Director in the Electric Vehicles – Incubation, Testing and Research Centre, Vellore Institute of Technology, Chennai, India. His areas of interest are finite element analysis, advanced electromagnetics, design of low-cost, high-performance electrical machines and their controllers for automotive and domestic applications.

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Published

2024-02-03

How to Cite

Ravi, H. K. ., Nandagopal, S. ., & Chokkalingam, L. N. . (2024). Prior Computation of the Stator Current Dynamic Response for Torque Ripple Reduction in AC Motor Drives. Distributed Generation &Amp; Alternative Energy Journal, 39(02), 341–368. https://doi.org/10.13052/dgaej2156-3306.3926

Issue

2024: Vol 39 Iss 2

Section

Articles