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Mohanrajan-S-R_asst-professor_eee_engineering_amritauniversity_coimbatore

Dr. Mohanrajan S. R.

Assistant Professor (Sl. Gd.), Department of Electrical and Electronics Engineering, School of Engineering, Coimbatore

Qualification: M.E, Ph.D
sr_mohanrajan@cb.amrita.edu
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Research Interest: Power Electronics, Electric Vehicles, Renewable Energy, Power Supply Design, Model-based Control of Power Converter, SiC & GaN Devices, Planar Magnetics , Rapid Prototyping, EMI/EMC, Modulation Strategies for Power Converters

Bio Publications Projects Achievement Courses Taught Skills
Bio

Dr. S. R. Mohanrajan currently serves as Assistant Professor (Sl. Gd.) at the Department of Electrical and Electronics Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Coimbatore Campus. Dr. S. R. Mohanrajan is with Amrita since 2006 and his research is focused on Power Electronics, Electric Vehicle, Solar and Wind Energy systems.
He received bachelor’s degree in Electrical and Electronics Engineering from University of Madras in 2004 and Master’s degree in Power Electronics & Drives from Anna University, Chennai in 2006. He has completed his Ph. D. in the area of Power Electronics and Renewable Energy in 2021 from Amrita Vishwa Vidyapeetham, Coimbatore under Erasmus Mundus Fellowship (EURECA) as research exchange student at KTH, Sweden.
His current research project topics include model-based development of power converter control for Electric Vehicle, Control of Power converters in Wind, Solar powered microgrid, Development of AI based modulation strategies for bidirectional converters and High-frequency power electronic converters using wide bandgap semiconductors.

Publications

Conference Proceedings

Year : 2025

Pedal Assisted Bicycle with BLDC Motor

Cite this Research Publication : Aswath D, Paidi Heamani, Akkiesh D, Jai Dharsani, S R Mohanrajan, Pedal Assisted Bicycle with BLDC Motor, 2025 13th International Conference on Smart Grid (icSmartGrid), IEEE, 2025, https://doi.org/10.1109/icsmartgrid66138.2025.11071756

Publisher : IEEE

Year : 2024

Effective Planning and Analysis of Solar Panels in the Wind Farm

Cite this Research Publication : Mohanrajan S R, D. Kavitha, G. Pavan Kumar, Effective Planning and Analysis of Solar Panels in the Wind Farm, 2024 12th International Conference on Smart Grid (icSmartGrid), IEEE, 2024, https://doi.org/10.1109/icsmartgrid61824.2024.10578122

Publisher : IEEE

Year : 2024

Steer-by-Wire with Feedback

Cite this Research Publication : Aniket Subudhi, Mohanrajan S. Rajendran, Lakshmikanthan C, Steer-by-Wire with Feedback, 2024 International Conference on Computer, Electronics, Electrical Engineering & their Applications (IC2E3), IEEE, 2024, https://doi.org/10.1109/ic2e362166.2024.10826714

Publisher : IEEE

Year : 2024

AI based Current Controller for Permanent Magnet Synchronous Motor

Cite this Research Publication : Janani Sunil, Mohanrajan S Rajendran, AI based Current Controller for Permanent Magnet Synchronous Motor, 2024 12th International Conference on Smart Grid (icSmartGrid), IEEE, 2024, https://doi.org/10.1109/icsmartgrid61824.2024.10578160

Publisher : IEEE

Year : 2023

Performance Analysis of Modulation Techniques for Three-Phase High-Frequency VSC

Cite this Research Publication : R Aboo Faris, Mohanrajan S Rajendran, V Prashobh Suresh, Performance Analysis of Modulation Techniques for Three-Phase High-Frequency VSC, 2023 IEEE 20th India Council International Conference (INDICON), IEEE, 2023, https://doi.org/10.1109/indicon59947.2023.10440962

Publisher : IEEE

Year : 2022

Techno Economic Analysis of Solar Hybrid System for Residential Sector

Cite this Research Publication : Laxmi Gopalakrishnan, Aarthi N, Mohanrajan S R, Techno Economic Analysis of Solar Hybrid System for Residential Sector, 2022 IEEE 7th International Conference on Recent Advances and Innovations in Engineering (ICRAIE), IEEE, 2022, https://doi.org/10.1109/icraie56454.2022.10054281

Publisher : IEEE

Year : 2022

High-Frequency Transformer design for a Bi-directional isolated DC-DC converter for Electric Vehicles

Cite this Research Publication : Deepak S, S. R. Mohanrajan, High-Frequency Transformer design for a Bi-directional isolated DC-DC converter for Electric Vehicles, 2022 IEEE 7th International Conference on Recent Advances and Innovations in Engineering (ICRAIE), IEEE, 2022, https://doi.org/10.1109/icraie56454.2022.10054344

Publisher : IEEE

Year : 2022

Thermal Modelling of Power Components using Load Current for a Medium Voltage Drive in Simulink Platform

Cite this Research Publication : Soundarya Lahari P, Shriram S, Mohanrajan S R, Thermal Modelling of Power Components using Load Current for a Medium Voltage Drive in Simulink Platform, 2022 2nd International Conference on Intelligent Technologies (CONIT), IEEE, 2022, https://doi.org/10.1109/conit55038.2022.9847878

Publisher : IEEE

Year : 2021

Enhanced Regenerative Braking System for EV with High Power Density Storage

Cite this Research Publication : Mohanrajan S. R, Enhanced Regenerative Braking System for EV with High Power Density Storage, ICSCAN 2021

Year : 2021

Regenerative Braking Control Methods of IPMSM for Electric Vehicles

Cite this Research Publication : Mohanrajan S. R, Regenerative Braking Control Methods of IPMSM for Electric Vehicles, Cognitive Informatics & Soft Computing, Springer, 2021.

Year : 2021

Performance Comparison of MPC and DTC for Induction Motor Based Electric Vehicle

Cite this Research Publication : Mohanrajan S. R., Performance Comparison of MPC and DTC for Induction Motor Based Electric Vehicle, ICSCAN 2021

Year : 2021

Performance comparison of Si-IGBT and SiC-MOSFET in an inverter application using DPT

Cite this Research Publication : J. Srijeeth, S.R. Mohanrajan, A. Vijayakumari, Performance comparison of Si-IGBT and SiC-MOSFET in an inverter application using DPT, 2021 IEEE 2nd International Conference on Smart Technologies for Power, Energy and Control (STPEC), IEEE, 2021, https://doi.org/10.1109/stpec52385.2021.9718720

Publisher : IEEE

Year : 2021

PMSM Torque Ripple Reduction in Electric Vehicle using Neural Network

Cite this Research Publication : Suryakant A. Kuvalekar, S.R. Mohanrajan, PMSM Torque Ripple Reduction in Electric Vehicle using Neural Network, 2021 IEEE International Power and Renewable Energy Conference (IPRECON), IEEE, 2021, https://doi.org/10.1109/iprecon52453.2021.9641002

Publisher : IEEE

Year : 2021

Instrument Cluster Design for an Electric Vehicle Based on CAN Communication

Cite this Research Publication : Manickavasagam L., Krishanth N., Atul Shrinath B., Subash G., Mohanrajan S. R., and Ranjith R., “Instrument Cluster Design for an Electric Vehicle Based on CAN Communication”, Inventive Computation and Information Technologies, vol. 173. Springer Singapore, Singapore, pp. 271-284, 2021.

Publisher : Inventive Computation and Information Technologies

Year : 2021

Enhanced Regenerative Braking System for Electric Vechile with High Power Density Storage

Cite this Research Publication : M. Naveen Kumar, Vijayakumari A., and Mohanrajan S. R., “Enhanced Regenerative Braking System for Electric Vechile with High Power Density Storage”, 2021 International Conference on System, Computation, Automation and Networking (ICSCAN). pp. 21-28, 2021.

Publisher : 2021 International Conference on System, Computation, Automation and Networking (ICSCAN)

Year : 2021

Performance Comparison of Model Predictive Control and Direct Torque Control for Induction Motor Based Electric Vehicle

Cite this Research Publication : Asif P. N. and Mohanrajan S. R., “Performance Comparison of Model Predictive Control and Direct Torque Control for Induction Motor Based Electric Vehicle”, 2021 International Conference on System, Computation, Automation and Networking (ICSCAN). pp. 1-6, 2021.

Publisher : 2021 International Conference on System, Computation, Automation and Networking

Year : 2019

Effect of Partial Shading on Vehicle Integrated PV System

Cite this Research Publication : Arun P. S. and Mohanrajan S. R., “Effect of Partial Shading on Vehicle Integrated PV System”, 2019 3rd International conference on Electronics, Communication and Aerospace Technology (ICECA). pp. 1262-1267, 2019.

Publisher : 2019 3rd International conference on Electronics, Communication and Aerospace Technology (ICECA)

Year : 2018

Z-Source Dual Active Bridge Bidirectional AC-DC Converter for Electric Vehicle Applications

Cite this Research Publication : Srijeeth J., Thiagarajan Vignesh Chenni, and Mohanrajan S. R., “Z-Source Dual Active Bridge Bidirectional AC-DC Converter for Electric Vehicle Applications”, 2018 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES). 2018.

Publisher : 2018 IEEE International Conference on Power Electronics, Drives and Energy Systems

Year : 2018

Power balancing in autonomous micro grid with variable speed pump

Cite this Research Publication : Mohanrajan S. R., Vijayakumari A., and Kottayil S.K., “Power Balancing in Autonomous Micro grid with Variable Speed Pump”, IEEE International Conference on Power, Control, Signals and Instrumentation Engineering, ICPCSI 2017. Institute of Electrical and Electronics Engineers Inc., pp. 2118-2121, 2018.

Publisher : IEEE International Conference on Power, Control, Signals and Instrumentation Engineering, ICPCSI 2017

Year : 2017

Renewable generators’ capacity optimization for a micro-grid in rural feeder using HOMER – A case study

Cite this Research Publication :

Publisher : IEEE

Year : 2017

Virtual inertia control for transient active power support from DFIG based wind electric system

Cite this Research Publication :

Publisher : IEEE

Year : 2017

Renewable generators’ capacity optimization for a micro-grid in rural feeder using HOMER—A case study

Cite this Research Publication : Raghul N., Vijayakumari,, and Mohanrajan S. R., “Renewable Generators' Capacity Optimization for a Micro-grid in Rural Feeder using HOMER—A Case Study”, Proceedings of IEEE International Conference on Emerging Technological Trends in Computing, Communications and Electrical Engineering, ICETT 2016. 2017.

Publisher : Proceedings of IEEE International Conference on Emerging Technological Trends in Computing, Communications and Electrical Engineering,

Year : 2014

A Study of Motor-Generator Topologies for Pumped Storage Applications

Cite this Research Publication : Mohanrajan S. R., S Vamsi Krishna, L. Narayana Reddy, A. Surya Teja, and B. Vishal, “A Study of Motor-Generator Topologies for Pumped Storage Applications ”, International Conference on Advances in Engineering And Technology - ICAET 2014. pp. 627-635, 2014.

Publisher : International Conference on Advances in Engineering And Technology

Conference Paper

Year : 2021

Regenerative Braking Control Methods of Interior Permanent Magnet Synchronous Motor for Electric Vehicles

Cite this Research Publication : A. P. R. and Mohanrajan S. R., “Regenerative Braking Control Methods of Interior Permanent Magnet Synchronous Motor for Electric Vehicles”, in Cognitive Informatics and Soft Computing, Singapore, 2021.

Publisher : Cognitive Informatics and Soft Computing

Year : 2020

Model Based Fault Classification Method for Electric Vehicle Pertained Lithium-Ion Batteries Using Multi Layer Perceptron

Cite this Research Publication : R. R. Suresh, Shanmughasundaram R., and Mohanrajan S. R., “Model Based Fault Classification Method for Electric Vehicle Pertained Lithium-Ion Batteries Using Multi Layer Perceptron”, in 2020 International Conference on Emerging Trends in Information Technology and Engineering (ic-ETITE), 2020.

Publisher : 2020 International Conference on Emerging Trends in Information Technology and Engineering (ic-ETITE)

Year : 2020

Model Based Fault Classification Method for Electric Vehicle Pertained Lithium-Ion Batteries Using Multi-Layer Perceptron

Cite this Research Publication :

Publisher : IEEE

Year : 2020

Electric Hover Board

Cite this Research Publication : Karthick M., Kumar K. S. Praveen, Nikile C.V. Pranish, Ramya R., and Mohanrajan S. R., “Electric Hover Board”, in 2020 IEEE PES/IAS PowerAfrica, 2020.

Publisher : 2020 IEEE PES/IAS PowerAfrica (2020)

Year : 2016

Power Angle Control of a Single Phase Grid Connected Photovoltaic Inverter for Controlled Power Transfer

Cite this Research Publication : Vijayakumari A., Devarajan A.T., Mohanrajan S.R. (2016) Power Angle Control of a Single Phase Grid Connected Photovoltaic Inverter for Controlled Power Transfer. In: Suresh L., Panigrahi B. (eds) Proceedings of the International Conference on Soft Computing Systems. Advances in Intelligent Systems and Computing, vol 397. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2671-0_43

Publisher : Springer

Journal Article

Year : 2020

Dynamic Frequency Tracking for Voltage and Frequency Regulation of Wind Driven Doubly Fed Induction Generator in Standalone mode

Cite this Research Publication : Mohanrajan S. R., Vijayakumari A., and Sasi K. K., “Dynamic Frequency Tracking for Voltage and Frequency Regulation of Wind Driven Doubly Fed Induction Generator in Standalone mode”, International Journal of Renewable Energy Research, vol. 23, pp. 1927-1939, 2020.

Publisher : International Journal of Renewable Energy Research

Year : 2019

Speed control of brushless DC motor in electric vehicle with regenerative braking

Cite this Research Publication : Mohanrajan S. R., Mahitha R., and Gowthaman B., “Speed Control of Brushless DC Motor in Electric Vehicle with Regenerative Braking”, (2019) International Journal of Innovative Technology and Exploring Engineering, vol. 8, no. 8, pp. 2980-2984, 2019.

Publisher : International Journal of Innovative Technology and Exploring Engineering

Year : 2019

Optimal photovoltaic capacity planning for windfarm expansion

Cite this Research Publication : Mohanrajan S. R. and Hamsadhwani V., “Optimal Photovoltaic Capacity Planning for Windfarm Expansion”, (2019) International Journal of Engineering and Advanced Technology, vol. 8, no. 5, pp. 2126-2131, 2019

Publisher : International Journal of Engineering and Advanced Technology

Year : 2017

Virtual Inertia Control for Transient Active Power Support from DFIG based Wind lectric System

Cite this Research Publication : M. Deepak, Vijayakumari A., and Mohanrajan S. R., “Virtual Inertia Control for Transient Active Power Support from DFIG based Wind lectric System”, RTEICT 2017 - 2nd IEEE International Conference on Recent Trends in Electronics, Information and Communication Technology, Proceedings, pp. 809-814, 2017.

Publisher : RTEICT 2017 - 2nd IEEE International Conference on Recent Trends in Electronics, Information and Communication Technology, Proceedings,

Year : 2016

Power angle control of a single phase grid connected photovoltaic inverter for controlled power transfer

Cite this Research Publication : Dr. Vijayakumari A., A.T. Devarajan, and Mohanrajan S. R., “Power angle control of a single phase grid connected photovoltaic inverter for controlled power transfer”, Advances in Intelligent Systems and Computing, vol. 397, pp. 451-461, 2016.

Publisher : Advances in Intelligent Systems and Computing

Year : 2015

Control of Multiple Energy Sources’ converters Connected to a DC Micro-Grid

Cite this Research Publication : Mohanrajan S. R., Aswathy S Kumar, and A. Vijayakumari, “Control of Multiple Energy Sources’ converters Connected to a DC Micro-Grid”, International Journal Of Recent Advances in Engineering & Technolog, pp. 52-57, 2015.

Publisher : International Journal Of Recent Advances in Engineering & Technolog, pp. 52-57, 2015.

Year : 2015

Micro pumped hydro with wound rotor induction machine – A solution for load management in micro grids

Cite this Research Publication : Mohanrajan S. R., Sivasuriyan K., Shanmugapriya N., Pratap R., and Subash V., “Micro Pumped hydro with Wound rotor Induction Machine - A Solution for Load Management in Micro Grids ”, International Journal of Applied Engineering Research, vol. 10, no. 55, pp. 3260-3265, 2015.

Publisher : International Journal of Applied Engineering Research

Projects

Funded Research Projects

  Project Title Funding Agency Role Amount Status
1 Software Implementation of Smart Energy Pod Ecogen Technologies, Australia Co-PI 97,000 AUD Ongoing
2 Smart EV Sharing Infrastructure with Solar Powered EV Battery Swapping / Charging Stations MSME – Idea Hackathon 2.0 Co-PI Rs.15,00,000 Ongoing
3 Cost-effective Standalone Solar Smart Light for Village Roads Unnat Bharat Abhiyaan, MoE, Govt. of India — Rs.50,000 Completed

Project Responsibilities

Project 1: Design, Purchase, JRF Mentoring

Project 2: Purchase, Setting up of EV charging station, Mobile app development for customers, Development of software infrastructure for monitoring and analysis

Project 3: Design, illumination studies, optimal placement of lighting fixtures, fabrication, installation, and commissioning for rural village roads

Student Projects Guided

UG Level Projects

Year Project Title
2025-26 Digital Twin for Solar PV Panel
2024-25 Pedal Assisted Bicycle with BLDC Motor
2023-24 Pump Emulator Using DC Motor
2022-23 Test Bench to Emulate an Electric Vehicle
2020-21 Predictive Control of Induction Motor Drive for Single Stage Solar Power Centrifugal Pump
2020-21 Solar Powered Electric Vehicle
2019-20 Electric Hover Board
2018-19 Speed Control of BLDC Motor in EV with Regenerative Braking
2018-19 Solar Powered Single Stage Current Controlled Inverter fed Agricultural Pump with MPPT
2017-18 Z-Source Dual Active Bridge Bidirectional AC-DC Converter for EV Applications
2016-17 Load Angle Control of Permanent Magnet Wind Electric Generator Connected to DC Grid
2014-15 Micro Pumped Hydro with Wound Rotor Induction Machine in Micro Grids
2013-14 Development of Variable Speed Pump using DFIM
2013-14 Solar Power DC Pump
2011-12 On-Site Efficiency Evaluation of Three Phase Induction Motor using Evolutionary Algorithms
2010-11 Optimum Power Point Tracking for Solar Photovoltaic System

PG Level Projects

Year Project Title
2025-26 Comparative Performance Analysis of T-Type Three-Level Inverter with Two-Level and Diode-Clamped NPC for EV Traction Drives
2025-26 EMI Analysis of Synchronous Buck Converter in Ansys SIWave
2025-26 Comparative Analysis of PWM Techniques for VFD System in Motor with Pump Load
2024-25 MTPA-Based Model Predictive Control Framework for Efficient IPMSM Drives for Quadratic Load Applications
2024-25 An Improved Position Estimation Technique for Induction Position Sensor Based FOC on a PMSM
2023-24 Performance Analysis of Three Phase Inverter with PMSM for EV Application using Different Modulation Techniques
2022-23 Performance Analysis of Modulation Techniques for Three-Phase High-Frequency VSC
2022-23 Torque Vectoring of Front In-Wheel BLDC Motor Electric Vehicle
2022-23 Steer-by-Wire with Feedback
2021-22 AI Based Current Controller for Permanent Magnet Synchronous Motor
2020-21 Hardware Enhancement and Analysis of PMSM/BLDC Drives
2020-21 Performance Comparison of Model Predictive Control and Direct Torque Control for Induction Motor Based Electric Vehicle
2020-21 Thermal Modelling based on Load Current of Power Components in a Medium Voltage Drive using HIL System
2020-21 High-Frequency Transformer Design for Bidirectional Isolated Converter for EV Charging Application
2020-21 Rapid Prototyping of Electric Drive with CAN Communication
2019-20 Signal Processing Approach to Recognise and Mitigate Harmonic Resonance in VFDs
2019-20 Post Silicon Validation of a Battery Management System IC
2019-20 PMSM Torque Ripple Reduction in Electric Vehicle using Neural Network
2019-20 Predictive Control of Induction Motor for System Efficiency Optimization in EVs
2019-20 Enhanced Regenerative Braking System for EV with High Power Density Storage
2018-19 Design Optimization of MOTSIM – DC to Optimize Size and Cost
2017-18 Wind Power Management Using Battery Energy Storage
2016-17 Virtual Inertia Control for Transient Active Power Support from DFIG Wind Electric System
2015-16 Solar PV Plotter
2015-16 Capacity Optimisation of Renewable Energy Sources for 5 Bus Micro Grid
2014-15 Control of Wind Turbine Driven DFIG in Standalone Micro Grid for Voltage & Frequency Regulation
2013-14 Stand-alone Wind Generator
2013-14 Forecasting Wind Energy with Neural Networks
2012-13 Stand Alone Doubly Fed Induction Generator
2011-12 Design and Monitoring of Electric Fencing System
2010-11 Maximum Power Point Tracking of Grid Connected Photovoltaic System
Achievement

Hardware Prototypes Developed

  • Developed an integrated Power Electronics Lab Kit covering MOSFET Characteristics, Buck/Boost Converters, Single & Three-Phase Inverters using STM32/Arduino platforms, enabling real-time hardware verification of advanced PWM techniques
  • 1.5 kW VFD – PCB fabrication (Gerber, BOM), testing and commissioning
  • Electric Vehicle with BLDC motor, IPM-based inverter, CAN communication with instrumentation cluster, model-based control using TI C2000
  • Design and development of IPM-based Power Converter and driver for MOSFET/IGBT devices
  • Cascaded Multilevel Inverter – 4 Level
  • Cost-effective Standalone Solar Smart Light for Village Roads (Unnat Bharat Abhiyaan)
Courses Taught
  • Design and Analysis of Power Converter
  • Modulation Techniques for Power Electronics Systems
  • Algorithms for Power Electronics Applications
  • Control of Power Converter and Electrical Machines
  • Power Electronics for Renewable Energy
  • Power Converter for Automotive Application
  • Power Converters
  • Electric Vehicle Technology
  • Electric Drives and Control
  • Power Electronics and Drives
  • Power Electronics
  • Renewable Energy Technologies
  • Renewable Energy and Energy Conservation
  • Wind Energy Conversion Systems
  • Solar Energy
  • Wind Energy
  • Control Engineering
Skills
Category Details
Software Tools MATLAB / Simulink (Simscape), PSpice / LTspice, PLECS, PSIM, KiCad, PVsyst, WAsP, Ansys SIWave
Hardware & HIL OPAL-RT (HIL), dSPACE, Xilinx System Generator, STM32, TI C2000, PCB Design (Gerber, BOM, Testing)
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