Power Electronics & E-Mobility Laboratory

Department of Engineering Design | Indian Institute of Technology Madras

Advancing research in power conversion systems, electric drives, and renewable energy technologies

About Our Lab

The Power Electronics & E-Mobility Laboratory (PEEM) at IIT Madras is dedicated to cutting-edge research in power conversion systems, electric drives, and renewable energy integration. Our work spans fundamental research to applied technology development.

Under the guidance of Dr. Deepak Ronanki, our lab focuses on developing innovative solutions for power electronics challenges in transportation, renewable energy, and industrial applications.

We collaborate with industry partners and research institutions worldwide to advance the state of the art in power electronics and drive technologies.

Research Areas

Power Electronics

Advanced power converter topologies, wide bandgap semiconductor devices, and high-frequency magnetic components for efficient power conversion.

Electric Drives

Motor drive systems for electric vehicles and industrial applications, including control algorithms and fault-tolerant operations.

Renewable Energy Systems

Grid integration of renewable energy sources, microgrids, and energy storage systems for sustainable power generation.

Electric Vehicle Technology

Fast charging systems, battery management, and power train optimization for next-generation electric vehicles.

Dr. Deepak Ronanki
Dr. Deepak Ronanki

About PI

Dr. Deepak Ronanki

Assistant Professor

Department of Engineering Design, IIT Madras

Deepak Ronanki (Senior Member, IEEE) received the Ph.D. degree in Electrical and Computer Engineering from the University of Ontario Institute of Technology, Oshawa, ON, Canada, in 2019.

He is currently an Assistant Professor with the Department of Engineering Design, Indian Institute of Technology (IIT) Madras, Chennai, India. Before joining IIT Madras, he was an Assistant Professor with the Department of Hydro and Renewable Energy, IIT Roorkee, and with the Department of Energy Science and Engineering, IIT Delhi. His research interests include power conversion systems for renewable energy, electric vehicle powertrains, EV charging infrastructure, and transportation electrification.

Dr. Ronanki has received several awards, including the 2021 IEEE Transportation Electrification Community Best Ph.D. Thesis Award, 2019 IEEE Transactions on Power Electronics Outstanding Reviewer Award, and 2020 UOIT Outstanding Doctoral Thesis Award.

Research Interests

EV Battery Charging Infrastructure
High Power Extreme Fast Chargers
Wireless Charging of Electric Vehicles
High Power Converters for Transportation Electrification
Electric Motor Drives for Electrified Vehicles
Electric Energy Storage Systems

Education

Ph.D.
University of Ontario Institute of Technology, Canada
Sep 2016 – Dec 2019
M.Tech in Electrical Engineering
NIT Karnataka, Surathkal
Aug 2010 – May 2012
B.Tech in EEE
JNTU Kakinada
Aug 2006 – May 2010
External Project Student
IIT Bombay
Apr 2011 – Apr 2012

Academic Work Experience

Assistant Professor
IIT Madras
Feb 2023 – Present
Assistant Professor
IIT Delhi
Oct 2022 – Feb 2023
Visiting Faculty
National Rail & Transportation Institute
Aug 2022 – Dec 2022
Assistant Professor
IIT Roorkee
Nov 2020 – Oct 2022
Postdoctoral Fellow
University of Windsor
Jul 2020 – Nov 2020
Postdoctoral Fellow
UOIT, Canada
Jan 2020 – Jun 2020
Teaching Assistant
Ryerson University
Fall 2018 – Winter 2020
Research Assistant
UOIT, Canada
Fall 2016 – Fall 2019

Industrial Work Experience

Bharat Heavy Electricals Limited (BHEL), Electronics Division
Jun 2012 – Aug 2016
Research & Development Engineer (Power Converters for Rail Traction Systems)

Teaching

ED5235
Power Electronics and Motor Drives for Electrified Vehicles
IIT Madras
ED5017
Digital Signal Processing for Engineering Design
IIT Madras
ED5021
Battery Charging Technology (New Course)
IIT Madras
ED5023
Power Converter Design for Electrified Vehicles (New Course)
IIT Madras
ESL798
Decentralized and Distributed Energy Systems
IIT Delhi
Hybrid Vehicle Design and Theory
Undergraduate Course
National Rail & Transportation Institute
Propulsion and Traction Systems
Undergraduate Course
National Rail & Transportation Institute
HRE-540
Solar Photovoltaic Design and Application
IIT Roorkee
HRE-582
Electric Vehicular Technology (New Course)
IIT Roorkee
HRE-522
Wind Energy Application Technology (New Course)
IIT Roorkee
HRE-905
Power Conversion Systems for Electric Vehicle Charging (New Course)
IIT Roorkee

Editorial Activities

Area Editor
IEEE Trans. on Transportation Electrification
Aug 2024 – Present
Associate Editor
IEEE Trans. on Power Electronics
Aug 2024 – Present
Associate Editor
IEEE Open Journal of Power Electronics
Aug 2024 – Present
Associate Editor
IEEE Trans. on Industry Applications (IACC & TSC)
Nov 2021 – Present
Associate Editor
Wiley Int. Journal of Circuit Theory & Applications
Sep 2021 – Present
Associate Editor
IEEE Trans. on Transportation Electrification
Mar 2021 – Present
Associate Editor
IEEE Transportation Electrification Community Newsletter
Jan 2021 – Present
Associate Editor
IEEE Journal on Emerging & Selected Topics in Power Electronics
Jan 2021 – Present
Guest Editor
IEEE JESTIE (Special Issue)
Mar 2021 – Dec 2022

Awards & Honours

Outstanding Associate Editor Award 2023
IEEE Trans. on Transportation Electrification
Jul 2024
Outstanding Doctoral Thesis Award 2019–20
UOIT
Jun 2020
Outstanding Reviewer Award
IEEE Trans. on Power Electronics
Mar 2020
IEEE–IES Student Travel Paper Award
ISIE 2019
IEEE–PSMA Student Travel Paper Award
APEC 2019
Ontario Graduate Scholarship (OGS)
Apr 2018
Ontario Graduate Fellowship (OGF)
Apr 2017
Dean’s Graduate Scholarship
UOIT
2016–2019
Test Facility Appreciation Award
BHEL, Electronics Division
Jan 2015
MHRD Scholarship for Graduate Studies
NITK Surathkal
2010–2012

Our Team

Principal Investigator (PI)

Dr. Deepak Ronanki
Dr. Deepak Ronanki
Assistant Professor & Lab Head
Specialized in power electronics, electric drives, and renewable energy systems

PhD Scholars

Mr. Uddhav Ramachandra Surve
Mr. Uddhav Ramachandra Surve
Sep 2020 - Ongoing (PMRF)
Reconfigurable Power Converter topologies for Next Generation Electric Vehicles
Mr. Guru Prasad Reddy
Mr. Guru Prasad Reddy
Jun 2023 - Ongoing (Industy Sponsered-Infineon Technologies)
Reconfigurable Power Converter Topologies for Wireless Charging of Electric Vehicles
Mr. Gyanendra Tiwari
Mr. Gyanendra Tiwari
Jun 2023 - Ongoing (PMRF)
Multi-Phase Systems for Wireless Charging of Electric Vehicles
Mr. Aritra Pal
Mr. Aritra Pal
Jul 2023 - Ongoing
Power Electronics and Drives for Next Generation E-Propulsion System
Mrs. Preetha Philip
Mrs. Preetha Philip
Jan 2024 - Ongoing (QIP-RIT Kottyam)
Advanced Control Strategies for Battery Charging Infrastructure
Mr. Rakesh Pulletikurthi
Mr. Rakesh Pulletikurthi
Jun 2024 - Ongoing
Polyphase Coupler Design for High Power Wireless Charging Systems
Mr. Vemapalli Bhuma Naga Satya Sai
Mr. Vemapalli Bhuma Naga Satya Sai
Jun 2024 - Ongoing
Modular Multi-level Converters for High Power Motor Drives
Mr. Ashwaini Goswami
Mr. Ashwaini Goswami
Jun 2024 - Ongoing
Control Strategies for Dynamic Wireless Charging Systems
Mr. Durga Prasad Pilli
Mr. Durga Prasad Pilli
Jan 2024 - Ongoing
Model Predictive Control Strategies for Power Electronic Circuits
Mr. Anakapalli Vasu Deva
Mr. Anakapalli Vasu Deva
Jul 2024 - Ongoing
Machine Learning Based Techniques for Battery Charging
Mr. Aprameya Karthik S R
Mr. Aprameya Karthik S R
Jul 2024 - Ongoing
Design and Analysis of Multi-Phase Switched Reluctance Motors
Mr. Goriparthi Sai Sankar
Mr. Goriparthi Sai Sankar
Jan 2025 - Ongoing
Advanced Predictive Control of Power Electronic Converters for EV Applications

M-Tech Dual-Degree Students

Mr. Ihab Mohammed
Mr. Ihab Mohammed
Jun 2025 - Jun 2026
Digital Twins for Level-2 Charging of EVs

M.S(R) Scholars

Mr. Anguru Deepak Datta
Mr. Anguru Deepak Datta
Jan 2025 - Ongoing
Modular Multi-level Converters for Transportation Electrification
Mr. Kinjarapu Jairam
Mr. Kinjarapu Jairam
Jan 2025 - Ongoing (Industry Sponsered-Dynolt Technologies)
High power Converters for EV charging Applications
Mr. Attada Rajashekar
Mr. Attada Rajashekar
Jan 2025 - Ongoing (Industry Sponsered-Dynolt Technologies)
High power Converters for EV charging Applications
Mr. Hari Govind M P
Mr. Hari Govind M P
Jun 2025 - Ongoing
Wireless Charging for EV Charging
Mr. G. Rakesh Sharma
Mr. G. Rakesh Sharma
Jun 2025 - Ongoing
Model Predictive Control for EV Charging Applications

Past Students

Mr. Ananth Gandela
Mr. Ananth Gandela
Oct 2023 - Mar 2024 (Project Associate)
Wireless Charging of Electric Vehicle

Secured MS Admission at Electrical Computer and Energy Engineering, University of Colorado Boulder, USA.
Mr. Easwar Veeragandham
Mr. Easwar Veeragandham
Feb 2023 - Jun 2024 (DDP Student)
Advanced Control Strategies For EV Traction Drives

Working with his startup-'Krishaka'
Ms. Chandini Asok
Ms. Chandini Asok
Dec 2023 - Nov 2024 (JRF)
Cyber Security of Electric Motor Drives

-
Mr. Harish Karneddi
Mr. Harish Karneddi
Jan 2021 - Jun 2024 (PhD Scholar)
High Power Fast Charging Topologies for Next Generation Electric Vehicles

Senior Power Electronics Engineer - Hitachi Energy
Ms. Kommuru Sri Sai Lahari
Ms. Kommuru Sri Sai Lahari
Jun 2024 - Jun 2025 (DDP Student)
Advanced Control Statergies for Onboard Chargers

Engineer-Mahindra Auto
Mr. Sanjeev Sakthivel Raja
Mr. Sanjeev Sakthivel Raja
Jun 2024 - Jun 2025 (DDP Student)
Optimal Charging Statergies for Electric Vehicles

-
Mr. Pesala Hari Hara Naga Praneeth Reddy
Mr. Pesala Hari Hara Naga Praneeth Reddy
Jun 2024 - Jun 2025 (DDP Student)
Machine Learning based Control Statergies for Electric Vehicles

Machine Learning Engineer

Books

  • Modular Multilevel Converters for Electric Transportation Applications
    D. Ronanki, S. S. Williamson
    John Wiley & Sons, Dec. 2023, 450 Pages, ISBN: 978–1–119–526254 [Book]

Book Chapters

  • Overview of Rolling Stock
    Deepak Ronanki
    Transportation Electrification: Breakthroughs in Electrified Vehicles, Aircraft, Rolling Stock, and Watercraft, Wiley-IEEE Press, Pages 249-281, DOI: 10.1002/9781119812357.ch11
  • Wireless Power Transfer Based Next Generation Electric Vehicle Charging Technology
    Priyanka Tiwari, Deepak Ronanki
    Power Electronics for Electric Vehicles and Energy Storage, CRC Press, ISBN 9781032164199 [Link]
  • Onboard Battery Charging Infrastructure for Electrified Transportation
    Harish Karneddi, Deepak Ronanki
    Power Electronics for Electric Vehicles and Energy Storage, CRC press(Taylor and Francis) ISBN 9781032164199. [Link]
  • Overview of Rolling Stock
    Deepak Ronanki
    Transportation Electrification: Breakthroughs in Electrified Vehicles, Aircraft, Rolling Stock, and Watercraft, Wiley-IEEE Press, Pages 249-281, DOI: 10.1002/9781119812357.ch11
  • Wireless Power Transfer Based Next Generation Electric Vehicle Charging Technology
    Priyanka Tiwari, Deepak Ronanki
    Power Electronics for Electric Vehicles and Energy Storage, CRC Press, ISBN 9781032164199 [Link]
  • Wireless Power Transfer Based Next Generation Electric Vehicle Charging Technology
    Priyanka Tiwari, Deepak Ronanki
    Power Electronics for Electric Vehicles and Energy Storage, CRC Press, ISBN 9781032164199 [Link]
  • Overview of Rolling Stock
    Deepak Ronanki
    Transportation Electrification: Breakthroughs in Electrified Vehicles, Aircraft, Rolling Stock, and Watercraft, Wiley-IEEE Press, Pages 249-281, DOI: 10.1002/9781119812357.ch11
  • Wireless Power Transfer Based Next Generation Electric Vehicle Charging Technology
    Priyanka Tiwari, Deepak Ronanki
    Power Electronics for Electric Vehicles and Energy Storage, CRC Press, ISBN 9781032164199 [Link]
  • Wireless Power Transfer Based Next Generation Electric Vehicle Charging Technology
    Priyanka Tiwari, Deepak Ronanki
    Power Electronics for Electric Vehicles and Energy Storage, CRC Press, ISBN 9781032164199 [Link]

Patents

  • D. Ronanki and H. Karneddi, "A Hybrid Bidirectional Conductive-Inductive Electric Vehicle Battery Charger Apparatus with Maximum Converter Utilization," IPO Grant. No. 525738, Mar 31, 2022.
  • D. Ronanki and H. Karneddi, "A Universal Bridgeless Reconfigurable Battery Charger with Wide Output Voltage Range," IPO Grant. No. 526703, April 12, 2022.
  • D. Ronanki and H. Karneddi, "A Method and System for An Integrated Onboard Charger of An Electric Vehicle," IPO Grant. No. 551038, Jan 18, 2024.
  • D. Ronanki, G. P. Reddy Vaddemani, and H. Karneddi, "A Method and System for Reconfigurable Wireless Charging," IPO Grant. No. 556841, Jan 18, 2024.
  • D. Ronanki and H. Karneddi, "A Modular and Reconfigurable Offboard Charger for Next-generation Electric Vehicle Applications," IPO Grant. No. 568154, Nov 23, 2024.
  • D. Ronanki, Durga Prasad Pilli, and Preetha Philip, "A Method and High-performance Control Framework for Off-board Battery Charger”, IPO Appl. No. 202541038147, April 21, 2025. [Filed]
  • D. Ronanki, and A. K. S. Ramanathan, “A System for a Switched Reluctance Motor”, IPO Appl. No. 202541054686, June 6, 2025. [Filed]
  • D. Ronanki and Rakesh P, "System and Method for Hybrid Wireless Power Transfer in Electric Vehicles,” IPO Appl. No. 202541065869, Jul 10, 2025. [Filed]
  • D. Ronanki, Preetha Philip, and Durga Prasad Pilli, " A Multifunctional 1-Ď•/3-Ď• Combo Battery Charger with Zero Common Mode Voltage,” IDF No: 3432, Jul 16, 2025. [Filed]
  • D. Ronanki, and P. Patidar “A Four Plate Capacitive Coupler Structure for Improving Power Transfer Capability and Reducing the Field Emissions in Wireless Power Transfer Systems and a Metal Plate Thereof,” IPO Appl. No. 202211021693, April 12, 2022. [Published]
  • D. Ronanki, and P. Tiwari “Interoperable transmitter coil and reconfigurable power converter for wireless charging of electric vehicles,” IPO Appl. No. 202211036252, June 24, 2022. [Published]
  • D. Ronanki, Srirama Srinivas and Uddhav Ramachandra Surve, “A Reconfigurable DC-DC Conversion System with Wide Operating Voltage Range for Charging System” IPO Appl. No. 202441023843, March 26, 2024. [Filed]
  • D. Ronanki, A. Goswami, and R. Pulletikurthi, “A Method and Architecture for Interoperable Roadway Wireless Charging Systems,” (IDF No 3547) Indian Patent Office, September 19, 2025.
  • D. Ronanki and D. P. Pilli, "Cyber-attack detection in autonomous electric vehicles", Indian Patent Office, Application No: 202541100409, 16 October 2025.
  • D. Ronanki and P. Philip," Multi-functional non-isolated zero common-mode onboard charger", (IDF No 3432) Indian Patent Office, 2025.

Journals / Transactions

  • G. Tiwari, R. Pulletikurthi, and D. Ronanki, "Advances in Shore-to-Ship Wireless Charging for Battery-Powered Marine Transportation: Overview, Configurations, and Technical Considerations", IEEE Transactions on Industry Applications, Submitted on Nov. 2025. (Under Revision-1)
  • D. P. Pilli, D. Ronanki, A. Dekka, and J. Rodriguez, "Heun's Method-Based Predictive Control with Reduced Power Ripple and Enhanced Efficiency for an Off-board EV Battery Charger", IEEE Transactions on Industrial Electronics, Accepted on 08-Nov-2025. (Accepted)
  • D. P. Pilli, D. Ronanki, and J. Rodriguez, "Charge Cycle Efficiency and Grid Power Quality Enhancement of an Off-Board Battery Charger Using Model Predictive Duty Cycle Control", IEEE Transactions on Power Electronics. (Under Revision-1)
  • P. Philip, D. Ronanki, and J. Rodriguez, "Predictive Control of a New 1-Ď•/3-Ď• Combo Non-isolated Battery Charger with Zero Common-mode Voltage", IEEE Journal of Emerging and Selected Topics in Power Electronics, Nov. 2025 (Under Revision-1)
  • G. P. R. Vaddemani, R. Pulletikurthi, D. Ronanki, H. Karneddi and A. Dekka, "A New Bifurcation-Free Inductive Power Transfer System with Interoperable Power Level Capability for Wireless Charging of Electric Vehicles," IEEE Transactions on Industry Applications, doi: 10.1109/TIA.2025.3619000.
  • H. Karneddi, D. Ronanki and J. Rodriguez, "A Wide Voltage Range Bidirectional Battery Charger with Smooth Mode Transition Using Predictive Control Approach," IEEE Transactions on Industrial Electronics, vol. 72, no. 11, pp. 11229-11238, Nov. 2025, doi: 10.1109/TIE.2025.3561869.
  • H. Karneddi, D. Ronanki and J. Rodriguez, "A Modular and Reconfigurable Offboard Battery Charger using Model Predictive Control with Inherent Smooth Mode Transition Capability," IEEE Journal of Emerging and Selected Topics in Power Electronics, doi: 10.1109/JESTPE.2025.3549651.
  • H. Karneddi, D. Ronanki and J. Rodriguez, "Universal Integrated Onboard Charger With Model Predictive Current Control for Plug-In EV Charging," IEEE Transactions on Power Electronics, vol. 40, no. 1, pp. 28-33, Jan. 2025, doi: 10.1109/TPEL.2024.3428855.
  • H. Karneddi and D. Ronanki, "Analysis and Design of a Wide Output Voltage Range Battery Charger for e-Mobility Applications," IEEE Journal of Emerging and Selected Topics in Industrial Electronics, vol. 5, no. 2, pp. 543-552, April 2024, doi: 10.1109/JESTIE.2024.3363663.
  • D. Prajapati, A. Dekka, D. Ronanki and J. Rodriguez, "Low-Complexity Heun's Method-Based FCS-MPC With Reduced Common-Mode Voltage for a Five-Level Inverter," IEEE Transactions on Power Electronics, vol. 39, no. 3, pp. 3329-3338, March 2024, doi: 10.1109/TPEL.2023.3342756.
  • D. Ronanki and H. Karneddi, "Electric Vehicle Charging Infrastructure: Review, Cyber Security Considerations, Potential Impacts, Countermeasures, and Future Trends," in IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 12, no. 1, pp. 242-256, Feb. 2024, doi: 10.1109/JESTPE.2023.3336997.
  • H. Le, A. Dekka and D. Ronanki, "A New Four-Level Inverter-Fed Motor Drive for Marine Propulsion Systems: Topology, Control, and Analysis," IEEE Transactions on Industry Applications, vol. 60, no. 2, pp. 3512-3523, March-April 2024, doi: 10.1109/TIA.2023.3332612.
  • D. Prajapati, A. Dekka, D. Ronanki and J. Rodriguez, "High-Performance Sequential Model Predictive Control of a Four-Level Inverter for Electric Transportation Applications," IEEE Journal of Emerging and Selected Topics in Industrial Electronics, vol. 5, no. 1, pp. 253-262, Jan. 2024, doi: 10.1109/JESTIE.2023.3314342.
  • H. Le, A. Dekka and D. Ronanki, "Modeling and Control of a New Five-Level Converter for Medium-Voltage Drive Systems," IEEE Transactions on Transportation Electrification, vol. 10, no. 2, pp. 3782-3791, June 2024, doi: 10.1109/TTE.2023.3312211.
  • H. Le, A. Dekka and D. Ronanki, "Model Predictive Control with Inherent CMV Reduction Capability for Multilevel Inverters," in IEEE Transactions on Industrial Electronics, vol. 71, no. 7, pp. 6730-6737, July 2024, doi: 10.1109/TIE.2023.3296824.
  • H. Karneddi and D. Ronanki, "Reconfigurable Battery Charger with a Wide Voltage Range for Universal Electric Vehicle Charging Applications," in IEEE Transactions on Power Electronics, vol. 38, no. 9, pp. 10606-10610, Sept. 2023, doi: 10.1109/TPEL.2023.3289394.
  • H. Le, A. Dekka, D. Ronanki and J. Rodriguez, "A New Predictive Current Control with Reduced Current Tracking Error and Switching Frequency for Multilevel Inverters," IEEE Transactions on Power Electronics, vol. 38, no. 9, pp. 10798-10809, Sept. 2023, doi: 10.1109/TPEL.2023.3287139.
  • H. Karneddi and D. Ronanki, "Universal Bridgeless Nonisolated Battery Charger with Wide-Output Voltage Range," in IEEE Transactions on Power Electronics, vol. 38, no. 3, pp. 2816-2820, March 2023, doi: 10.1109/TPEL.2022.3217943.
  • D. Ronanki, K. R. Pittam, A. Dekka, P. Perumal and A. R. Beig, "Phase Current Reconstruction Method with an Improved Direct Torque Control of SRM Drive for Electric Transportation Applications," IEEE Transactions on Industry Applications, vol. 58, no. 6, pp. 7648-7657, Nov.-Dec. 2022, doi: 10.1109/TIA.2022.3196329.
  • D. Ronanki and S. S. Williamson, "Discontinuous Space Vector Modulation Schemes for Modular Multilevel Converters," IEEE Transactions on Power Electronics, vol. 36, no. 4, pp. 3987-3994, April 2021, doi: 10.1109/TPEL.2020.3019010.
  • P. S. Huynh, D. Ronanki, D. Vincent and S. S. Williamson, "Direct AC–AC Active-Clamped Half-Bridge Converter for Inductive Charging Applications," IEEE Transactions on Power Electronics, vol. 36, no. 2, pp. 1356-1365, Feb. 2021, doi: 10.1109/TPEL.2020.3009395.
  • D. Ronanki and S. S. Williamson, "A Novel 2N + 1 Carrier-Based Pulse Width Modulation Scheme for Modular Multilevel Converters with Reduced Control Complexity," IEEE Transactions on Industry Applications, vol. 56, no. 5, pp. 5593-5602, Sept.-Oct. 2020, doi: 10.1109/TIA.2020.3009078.
  • Y. Dasari, D. Ronanki and S. S. Williamson, "A Simple Three-Level Switching Architecture to Enhance the Power Delivery Duration of Supercapacitor Banks in Electrified Transportation," IEEE Transactions on Transportation Electrification, vol. 6, no. 3, pp. 1003-1012, Sept. 2020, doi: 10.1109/TTE.2020.3001024.
  • D. Ronanki and S. S. Williamson, "Failure Prediction of Submodule Capacitors in Modular Multilevel Converter by Monitoring the Intrinsic Capacitor Voltage Fluctuations," IEEE Transactions on Industrial Electronics, vol. 67, no. 4, pp. 2585-2594, April 2020, doi: 10.1109/TIE.2019.2912771.
  • D. Ronanki and S. S. Williamson, "Device Loading and Reliability Analysis of Modular Multilevel Converters with Circulating Current Control and Common-Mode Voltage Injection," IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 7, no. 3, pp. 1815-1823, Sept. 2019, doi: 10.1109/JESTPE.2019.2922206.
  • D. Ronanki and S. S. Williamson, "A Simplified Space Vector Pulse Width Modulation Implementation in Modular Multilevel Converters for Electric Ship Propulsion Systems," IEEE Transactions on Transportation Electrification, vol. 5, no. 1, pp. 335-342, March 2019, doi: 10.1109/TTE.2018.2884610.
  • D. Ronanki and S. S. Williamson, "Modular Multilevel Converters for Transportation Electrification: Challenges and Opportunities," IEEE Transactions on Transportation Electrification, vol. 4, no. 2, pp. 399-407, June 2018, doi: 10.1109/TTE.2018.2792330.
  • D. Ronanki and S. S. Williamson, "Evolution of Power Converter Topologies and Technical Considerations of Power Electronic Transformer-Based Rolling Stock Architectures," IEEE Transactions on Transportation Electrification, vol. 4, no. 1, pp. 211-219, March 2018, doi: 10.1109/TTE.2017.2765518.
  • D. Ronanki, S. A. Singh and S. S. Williamson, "Comprehensive Topological Overview of Rolling Stock Architectures and Recent Trends in Electric Railway Traction Systems," IEEE Transactions on Transportation Electrification, vol. 3, no. 3, pp. 724-738, Sept. 2017, doi: 10.1109/TTE.2017.2703583.
  • D. Ronanki, Y. Dasari and S. S. Williamson, “Comparative Assessment of Supercapacitor Bank Switching Techniques for Constant Resistance, Constant Current and Constant Power Applications,” IET Electric Power Applications, vol. 14, no. 14, pp. 2832-2842, Dec. 2020, doi: 10.1049/ietpel.2020.0884, doi: 10.1049/iet-epa.2020.0524.
  • S. Kundu, S. Banerjee, D. Ronanki, S. S. Williamson, “Meeting IEC and ER G4/5 Harmonic Standards in Nine-level Cascaded H-bridge Inverters using an Improved SHM-PAM Scheme,” IET Power Electronics, vol. 13, no. 18, pp. 4395-4406, Dec. 2020, doi: 10.1049/iet-pel.2020.0884.
  • D. Ronanki, and S. S. Williamson, “Submodule Power Balancing Control of Modular Multilevel Converters under Capacitor Degradation,” IET Power Electronics, vol. 13, no. 14, pp. 3032-3043, 2020.
  • P. S. Huynh, D. Ronanki, D. Vincent and S. S. Williamson, “Overview and Comparative Assessment of Single-Phase Power Converter Topologies of Inductive Wireless Charging Systems,” MDPI Energies, vol. 13, no. 9, pp. 2150, May 2020.
  • K. R. Reddy, D. Ronanki, and P. Parthiban, “Efficiency Improvement of Four-Phase Switched Reluctance Motor Drive using New Direct Torque Control Strategy,” IET Electric Applications, vol. 14, no. 1, pp. 52-61, Jan. 2020.
  • D. Ronanki and S. S. Williamson, “New modulation scheme and voltage balancing control of modular multilevel converters for modern electric ships,” IET Power Electronics, vol. 12, no. 13, pp. 3403- 3410, Nov. 2019.
  • D. Ronanki, A. Kelkar and S. S. Williamson, “Extreme Fast Charging Technology–Prospects to Enhance Sustainable Electric Transportation,” MDPI-Energies, vol. 12, no. 19, pp. 3721, Sept. 2019.
  • P. K. Reddy, D. Ronanki and P. Parthiban, “Direct torque and flux control of switched reluctance motor with enhanced torque per ampere ratio and torque ripple reduction,” IET Electronics Letters, vol. 50, no. 8, pp. 477-478, May. 2019.
  • P. Perumal, D. Ronanki, and K. Banagar, “A Fixed Frequency Duty-Ratio Based Digital Sliding–Mode Controller for DC–DC Buck Converter,” International Journal of Low Power Electronics, American Scientific PUBLISHERS, vol 14, no. 1, pp. 67–77, Mar. 2018.

Conference Publications

  • Bhuma Naga Satya Sai Vemapali, D. Ronanki, Apparao Dekka "Low-Voltage Ride-Through Operation of a New Pumped Hydro Storage System with Model Predictive Current Control," IEEE International Conference on Power Electronics, Smart Grid and Renewable Energy, IIT Dharwad, Karnataka, India, 2025.
  • A. Goswami, R. Pulletikurthi, D. Ronanki, and S. Pichuka “New Segmented Inductive Coupler Structure with Capacitive Decoupling for Interoperable Dynamic Roadway Wireless Charging Applications,” IEEE International Conference on Power Electronics, Smart Grid and Renewable Energy, IIT Dharwad, Karnataka, India, 2025.
  • A. Goswami, R. Pulletikurthi, D. Ronanki, and S. Pichuka “A New Transmitter Coupling Structure with Inductive-Capacitive Decoupling System for Interoperable Dynamic Wireless Charging Applications,” IEEE Applied Power Electronics Conference and Exposition (APEC), San Antonio, Texas, USA, 2026.
  • P. R. Pesala, D. P. Pilli, and D. Ronanki, "A New Hybrid Model-Driven Machine Learning Approach for Cyber Attack Detection in Autonomous E-Mobility Systems", IEEE International Conference on Power Electronics, Smart Grid and Renewable Energy, IIT Dharwad, Karnataka, India, 2025.
  • D. P. Pilli, D. Ronanki, and A. Dekka, "Grid Voltage Sensorless Predictive Power Control of an Off-Board Battery Charger with Adaptive Inductance Estimation", IEEE Applied Power Electronics Conference and Exposition (APEC), San Antonio, Texas, USA, 2026.
  • D. P. Pilli, and D. Ronanki, "A New Residue-Free Cyber-Attack Detection Framework for Traction Motor Drive in Autonomous E-mobility Systems", in proc. IEEE Applied Power Electronics Conference and Exposition (APEC), San Antonio, Texas, USA, 2025.
  • A. K. S. Ramanathan and D. Ronanki, “A Novel Permanent Magnet Assisted Switched Reluctance Motor with Bipolar Excitation for In-Wheel Electric Vehicular Applications, IEEE Energy Conversion Conference and Expo (ECCE), Pennsylvania, USA, 2025.
  • A. K. S. Ramanathan, D. Ronanki, and Bijo Sebastian, "Investigation on Switched Reluctance Motors Without and With Permanent Magnets", IEEE International Conference on Power Electronics, Smart Grid and Renewable Energy, IIT Dharwad, Karnataka, India, 2025.
  • A. V. Deva, D. Ronanki, and H. Vahedi, "Multipulse Rectifier Fed Reconfigurable Interleaved Buck Converter for Hydrogen Electrolysers," IEEE International Conference on Power Electronics, Smart Grid, and Renewable Energy (PESGRE), Hubli, India, 2025.
  • P. Philip and D. Ronanki, "A New Multi-Functional Non-isolated Battery Charger with Predictive Current Control for Future Electrified Transportation Applications” IEEE Applied Power Electronics Conference and Exposition (APEC), San Antonio, Texas, USA, 2026.
  • Jairam Kinjarapu, D. Ronanki, and Rajesh Sura, "Model Predictive Control of Small-Scale Electrified Hydrogen Electrolyzer Systems," IEEE International Conference on Power Electronics, Smart Grid, and Renewable Energy (PESGRE), Hubli, India, 2025.
  • Rajasekhar Attada, D. Ronanki, and Rajesh Sura, "Moving Discretized Control Set Model Predictive Control of Single-Stage GaN-Based Onboard Electric Vehicle Battery Charger," IEEE International Conference on Power Electronics, Smart Grid, and Renewable Energy (PESGRE), Hubli, India, 2025.
  • A. Pal, S. Srinivas and D. Ronanki, "Constant Common Mode Voltage based Space Vector PWM Variants for a Six-Phase Interior Permanent Magnet Synchronous Motor Drive," IECON 2025 – 51st Annual Conference of the IEEE Industrial Electronics Society, Madrid, Spain, 2025, pp. 1-6, doi: 10.1109/IECON58223.2025.11221414.
  • B. N. Satya Sai Vempali, D. Ronanki, A. Dekka and S. Srinivas, "Modeling and Control of a New Four-level Converter-fed Synchronous Motor for Pumped Hydro Storage Plants," IECON 2025 – 51st Annual Conference of the IEEE Industrial Electronics Society, Madrid, Spain, 2025, pp. 1-6, doi: 10.1109/IECON58223.2025.11221336.
  • H. Le, A. Dekka, D. Ronanki and A. R. Beig, "Multi-Stage Model Predictive Control with Enhanced Discrete-Time Models for Multilevel Inverters," 2025 IEEE Applied Power Electronics Conference and Exposition (APEC), Atlanta, GA, USA, 2025, pp. 2647-2653, doi: 10.1109/APEC48143.2025.10977485.
  • C. Asok, E. Veeragandham, D. Ronanki and A. Dekka, "Vulnerability Analysis of Torque Controlled PMSM Drives Against Sophisticated Data Integrity Attacks," 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Mangalore, India, 2024, pp. 1-6, doi: 10.1109/PEDES61459.2024.10961832.
  • S. S. Raja, H. Karneddi and D. Ronanki, "Performance Evaluation of Charging Techniques for Lithium-Ion Batteries," 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Mangalore, India, 2024, pp. 1-6, doi: 10.1109/PEDES61459.2024.10961257.
  • H. Le, A. Dekka and D. Ronanki, "An Improved Model Predictive Current Control for Medium-Voltage Motor Drives," 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Mangalore, India, 2024, pp. 1-6, doi: 10.1109/PEDES61459.2024.10961039.
  • H. Karneddi and D. Ronanki, "Model Predictive Controlled Level-3 Reconfigurable Battery Charger for Future Electric Transportation," 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Mangalore, India, 2024, pp. 1-6, doi: 10.1109/PEDES61459.2024.10961045.
  • D. P. Pilli, D. Ronanki and J. Rodriguez, "Multi-Stage CC-CV Charging of an Off-Board Charger Using Modulated Model Predictive Control," 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Mangalore, India, 2024, pp. 1-6, doi: 10.1109/PEDES61459.2024.10961804.
  • G. Vegireddy, D. Ronanki and A. Dekka, "Design and Analysis of IPMSM with Modular Stator Structure for Electric Vehicular Applications," 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Mangalore, India, 2024, pp. 1-6, doi: 10.1109/PEDES61459.2024.10961887.
  • G. Tiwari, R. Pulletikurthi and D. Ronanki, "Sustainable Maritime Transportation Through Modular Wireless Shore-to-Ship Charging," 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Mangalore, India, 2024, pp. 1-6, doi: 10.1109/PEDES61459.2024.10961907.
  • H. Le, A. Dekka and D. Ronanki, "Low Ripple Predictive Torque Control of MLI-Fed Induction Motor for Marine Propulsion Systems," 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Mangalore, India, 2024, pp. 1-6, doi: 10.1109/PEDES61459.2024.10961538.
  • R. Pulletikurthi and D. Ronanki, "A Novel Reconfigurable Inductive Power Transfer System with Pulse Density Modulation for Constant Current and Constant Voltage Charging Applications," 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Mangalore, India, 2024, pp. 1-6, doi: 10.1109/PEDES61459.2024.10961663.
  • R. Pulletikurthi and D. Ronanki, "Review and Comparison of Modulation Schemes for Inductive Power Transfer Systems," 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Mangalore, India, 2024, pp. 1-6, doi: 10.1109/PEDES61459.2024.10961048.
  • P. Philip and D. Ronanki, "Model Predictive Control of a New Common-Mode Current Free EV Charger with a Wide Output Voltage Range," 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Mangalore, India, 2024, pp. 1-6, doi: 10.1109/PEDES61459.2024.10961402.
  • B. N. Satya Sai Vempali, D. Ronanki and A. Dekka, "Enhanced Finite Control Set Predictive Current Control for Modular Multilevel Converters," 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Mangalore, India, 2024, pp. 1-6, doi: 10.1109/PEDES61459.2024.10961541.
  • U. Surve, D. Ronanki and S. Srinivas, "Reconfigurable Dual Active Bridge Converter for Wide Voltage Range EV Charging Applications," IECON 2024 - 50th Annual Conference of the IEEE Industrial Electronics Society, Chicago, IL, USA, 2024, pp. 1-6, doi: 10.1109/IECON55916.2024.10905646.
  • H. Le, A. Dekka and D. Ronanki, "High-Performance Cascaded Model Predictive Control for Multilevel Inverters," 2024 IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, AZ, USA, 2024, pp. 3749-3754, doi: 10.1109/ECCE55643.2024.10861009.
  • D. Prajapati, A. Dekka, D. Ronanki and J. Rodriguez, "Indirect Minimization of Common-Mode Voltage with Finite Control-Set Model Predictive Control in a Five-Level Inverter," 2024 IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, AZ, USA, 2024, pp. 3917-3922, doi: 10.1109/ECCE55643.2024.10861599.
  • U. Surve, D. Ronanki and S. Srinivas, "Reconfigurable Dual Active Bridge Converter with Full Load Range Soft-Switching Capability for Wide Voltage Range EV Charging Applications," IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, AZ, USA, 2024, pp. 2529-2534, doi: 10.1109/ECCE55643.2024.10861236.
  • D. P. Pilli, D. Ronanki, A. Dekka and J. Rodriguez, "Power Ripple Minimization in Off-board Battery Charger using Modified Predictive Power Control," 2024 IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, AZ, USA, 2024, pp. 4691-4696, doi:10.1109/ECCE55643.2024.10861339.
  • P. Philip, D. P. Pilli, G. Tiwari and D. Ronanki, "Common-Mode Free 1-Ď•/3-Ď• Combo Non-isolated Battery Charger with a Wide Output Voltage Range," 2024 IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, AZ, USA, 2024, pp. 2277-2282, doi: 10.1109/ECCE55643.2024.10861435.
  • G. Tiwari and D. Ronanki, "Design of Vertical Aligned Capacitive Couplers for Wireless Charging Applications," 2024 IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, AZ, USA, 2024, pp. 2418-2424, doi: 10.1109/ECCE55643.2024.10861758.
  • H. Karneddi, D. Ronanki and J. Rodriguez, "Model Predictive Control of a Wide Voltage Range Battery Charger for G2V and V2G Applications," 2024 IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, AZ, USA, 2024, pp. 3647-3652, doi: 10.1109/ECCE55643.2024.10861776.
  • H. Karneddi and D. Ronanki, "Model Predictive Control for Wide Output Voltage Range Integrated Onboard Charger with Inherent Smooth Mode Transition Capability," 2024 IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, AZ, USA, 2024, pp. 2553-2559, doi: 10.1109/ECCE55643.2024.10861290.
  • N. Kamma, S. Srinivas, D. Ronanki, U. Surve and S. E. Rao, "Non-Invasive Approach of Emergency Rescue Assistance Through Vehicle-to-Vehicle AC Charging," 2024 IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, AZ, USA, 2024, pp. 2542-2547, doi: 10.1109/ECCE55643.2024.10861269.
  • D. P. Pilli, D. Ronanki and A. Dekka, "Model Predictive Control Approach for CC-CV Operation of an Off-Board Battery Charger," 2024 IEEE 4th International Conference on Sustainable Energy and Future Electric Transportation (SEFET), Hyderabad, India, 2024, pp. 1-6, doi: 10.1109/SEFET61574.2024.10718121.
  • H. Le, A. Dekka and D. Ronanki, "Single-Phase Sample Average Modulator for Multilevel Inverter-fed Electric Drive Applications," 2024 IEEE 4th International Conference on Sustainable Energy and Future Electric Transportation (SEFET), Hyderabad, India, 2024, pp. 1-6, doi: 10.1109/SEFET61574.2024.10718102.
  • H. Karneddi and D. Ronanki, "A Single-Phase Integrated Onboard Charger with a Wide Voltage Range for Plug-In Electric Vehicles," 2024 IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA, 2024, pp. 1288-1293, doi: 10.1109/APEC48139.2024.10509189.
  • G. P. Reddy Vaddemani, H. Karneddi and D. Ronanki, "A Single-Stage Reconfigurable Wireless Charger for 400-V and 800-V Electric Vehicle Battery Voltages," 2024 IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA, 2024, pp. 1181-1186, doi: 10.1109/APEC48139.2024.10509223.
  • G. P. Reddy Vaddemani, D. Ronanki, A. Dekka and A. R. Beig, "Design and Control of a New Single-Stage Wireless Charger with Interoperable Power Level Capability," 2024 IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA, 2024, pp. 1294-1299, doi: 10.1109/APEC48139.2024.10509233.
  • G. Tiwari, H. Karneddi, D. Ronanki and A. Dekka, "Feasibility Study of Wide Bandgap Devices for Parallel Hybrid Wireless Charging Systems," 2023 IEEE International Transportation Electrification Conference (ITEC-India), Chennai, India, 2023, pp. 1-6, doi: 10.1109/ITEC-India59098.2023.10471468.
  • U. Surve, T. H. Narayana, S. Srinivas and D. Ronanki, "Loss Minimization of Dual Active Bridge Converter Through Design Optimization in CC-CV Mode for Electric Vehicle Battery Charging Applications," 2023 IEEE Industry Applications Society Annual Meeting (IAS), Nashville, TN, USA, 2023, pp. 1-6, doi: 10.1109/IAS54024.2023.10406857.
  • G. P. Reddy Vaddemani, H. Karneddi, D. Ronanki, R. Pulletikurthi and A. Dekka, "A Switched Series-Series Compensated Active Clamped Inverter with Interoperable Power Level Capability for Wireless Charging Systems," 2023 IEEE International Conference on Power Electronics, Smart Grid, and Renewable Energy (PESGRE), Trivandrum, India, 2023, pp. 1-6, doi: 10.1109/PESGRE58662.2023.10404880.
  • H. Le, H. Karneddi, A. Dekka and D. Ronanki, "Model Predictive Control of a Modified Nested Neutral-Point Clamped Inverter," 2023 IEEE International Conference on Power Electronics, Smart Grid, and Renewable Energy (PESGRE), Trivandrum, India, 2023, pp. 1-6, doi: 10.1109/PESGRE58662.2023.10404690.
  • H. Le, A. Dekka and D. Ronanki, "Low Switching Frequency FCS-MPC Technique for Four-Level Inverters," 2023 IEEE Energy Conversion Congress and Exposition (ECCE), Nashville, TN, USA, 2023, pp. 3062-3068, doi: 10.1109/ECCE53617.2023.10362772.
  • H. Le, A. Dekka and D. Ronanki, "Model Predictive Control of a New Five-Level Inverter for Medium Voltage Applications," 2023 IEEE Energy Conversion Congress and Exposition (ECCE), Nashville, TN, USA, 2023, pp. 2597-2602, doi: 10.1109/ECCE53617.2023.10362188.
  • D. Ronanki, H. Karneddi and P. Patidar, "Design of Four Plate Capacitive Coupler with Enhanced Safe Operating Region for Electric Vehicle Wireless Charging Applications," 2023 IEEE Applied Power Electronics Conference and Exposition (APEC), Orlando, FL, USA, 2023, pp. 2914-2919, doi: 10.1109/APEC43580.2023.10131567.
  • H. Karneddi and D. Ronanki, "Universal Bridgeless Reconfigurable Battery Charger with Wide Output Voltage Range for Next-generation EV Compatibility," 2023 IEEE Applied Power Electronics Conference and Exposition (APEC), Orlando, FL, USA, 2023, pp. 3105-3110, doi: 10.1109/APEC43580.2023.10131443.
  • M. R. Selvaraj, A. Dekka, D. Ronanki and A. R. Beig, "Voltage Balancing of a New Five-Level Multilevel Inverter with a Modified Carrier Pulse Width Modulation Scheme," 2023 IEEE Applied Power Electronics Conference and Exposition (APEC), Orlando, FL, USA, 2023, pp. 244-250, doi: 10.1109/APEC43580.2023.10131230.
  • H. Karneddi, D. Ronanki and A. Dekka, "Leakage Current Analysis of Grid-Connected Transformerless Photovoltaic Energy Systems," 2022 IEEE 1st Industrial Electronics Society Annual Online Conference (ONCON), Kharagpur, India, 2022, pp. 1-6, doi: 10.1109/ONCON56984.2022.10126974.
  • H. Karneddi, B. J. V. Kumar, D. Ronanki and T. K. R. Bollu, "Potential Impacts and Severity Analysis of Onboard Electric Vehicle Battery Charging Infrastructure Against Sophisticated Cyber Threats," 2022 IEEE 1st Industrial Electronics Society Annual Online Conference (ONCON), Kharagpur, India, 2022, pp. 1-6, doi: 10.1109/ONCON56984.2022.10126944.
  • H. Le, A. Dekka and D. Ronanki, "Low-Speed Operation of a New Four-Level Multilevel Inverter fed Medium-Voltage Drive," 2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Jaipur, India, 2022, pp. 1-6, doi: 10.1109/PEDES56012.2022.10080642.
  • P. Tiwari and D. Ronanki, "Cyber-Resilient Grid-Interactive Renewable Powered Wireless Charging of Electric Vehicles," 2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Jaipur, India, 2022, pp. 1-6, doi: 10.1109/PEDES56012.2022.10080299.
  • P. Patidar, D. Ronanki and A. Dekka, "Design and Analysis of Four-Plate Capacitive Couplers for Wireless Charging Systems," 2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Jaipur, India, 2022, pp. 1-6, doi: 10.1109/PEDES56012.2022.10080748.
  • P. Tiwari and D. Ronanki, "Bifurcation Free Coil Design for Multi Power Level Wireless Charging of Electric Vehicles," 2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Jaipur, India, 2022, pp. 1-6, doi: 10.1109/PEDES56012.2022.10080533.
  • H. Le, A. Dekka, D. Ronanki and J. Rodriguez, "Predictive Current Control of a New Four-Level Voltage Source Inverter," 2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Jaipur, India, 2022, pp. 1-5, doi: 10.1109/PEDES56012.2022.10080295.
  • M. R. Mohammed, M. A. Haleem, A. Dekka, D. Ronanki and A. R. Beig, "A Novel High Step-up Voltage Gain DC-DC Converter with Low Source Current Ripple," 2022 IEEE 7th Southern Power Electronics Conference (SPEC), Nadi, Fiji, 2022, pp. 1-6, doi: 10.1109/SPEC55080.2022.10058378.
  • H. Karneddi and D. Ronanki, "Bridgeless Boost-Buck based Universal PFC Converter with Wide Output Voltage for Onboard Battery Charging Applications," 2022 IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, USA, 2022, pp. 1-6, doi: 10.1109/ECCE50734.2022.9947620.
  • H. Karneddi and D. Ronanki, "A New Hybrid Conductive-Inductive Battery Charger with Reduced Component Count for Electric Transportation Applications," 2022 IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, USA, 2022, pp. 1-6, doi: 10.1109/ECCE50734.2022.9947764.
  • P. Tiwari and D. Ronanki, "Design and Control of Solar Photovoltaic-fed Standalone Wireless Charging of Electric Vehicles," 2022 IEEE Industry Applications Society Annual Meeting (IAS), Detroit, MI, USA, 2022, pp. 1-6, doi: 10.1109/IAS54023.2022.9939808.
  • H. Karneddi and D. Ronanki, "Universal Bridgeless Onboard Battery Charger with Wide Output Voltage Range for e-Transportation," 2022 IEEE Industry Applications Society Annual Meeting (IAS), Detroit, MI, USA, 2022, pp. 1-6, doi: 10.1109/IAS54023.2022.9939936.
  • H. Karneddi, D. Ronanki and R. L. Fuentes, "Technological Overview of Onboard Chargers for Electrified Automotive Transportation," IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, Toronto, ON, Canada, 2021, pp. 1-6, doi: 10.1109/IECON48115.2021.9589679.
  • V. C. Pravinbhai, D. Ronanki and T. R. Chelliah, "Multilevel Inverter Topologies for Marine Propulsion Systems: A Review," IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, Toronto, ON, Canada, 2021, pp. 1-6, doi: 10.1109/IECON48115.2021.9589911.
  • H. Karneddi and D. Ronanki, "Driving Range Extension of Electric City Buses using Opportunity Wireless Charging," IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, Toronto, ON, Canada, 2021, pp. 1-5, doi: 10.1109/IECON48115.2021.9589475.
  • V. Tummakuri, T. R. Chelliah and D. Ronanki, "Short Endurance Drive Cycle Analysis of MMC Based Absolute Battery Operated Harbor Vessel," IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, Toronto, ON, Canada, 2021, pp. 1-6, doi: 10.1109/IECON48115.2021.9589295.
  • D. Ronanki, Y. Dasari and S. S. Williamson, "Power Electronics-based Switched Supercapacitor Bank Circuits with Enhanced Power Delivery Capability for Pulsed Power Applications," 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), Phoenix, AZ, USA, 2021, pp. 2271-2276, doi: 10.1109/APEC42165.2021.9487441.
  • D. Ronanki, K. R. Pittam, A. Dekka, P. Perumal and A. R. Beig, "Phase Current Reconstruction Algorithm for Four-Phase Switched Reluctance Motor under Direct Torque Control Strategy," 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), Phoenix, AZ, USA, 2021, pp. 1086- 1090, doi: 10.1109/APEC42165.2021.9487250.
  • D. Ronanki, A. Dekka and A. R. Beig, "Comprehensive Evaluation of Phase Current Reconstruction Strategies for Four-Phase Switched Reluctance Motor Drives," 2020 IEEE Industry Applications Society Annual Meeting, Detroit, MI, USA, 2020, pp. 1-6, doi: 10.1109/IAS44978.2020.9334822.
  • Y. Dasari, D. Ronanki, and S. S. Williamson, “Power Management of Supercapacitors using Auxiliary Switching Approach in HESS applications,” in Proc. IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, USA, 2020, pp. 582-587.
  • D. Ronanki, A. Dekka, P. Perumal and A. R. Beig, "Direct Instantaneous Torque Control of FivePhase Segmented Switched Reluctance Motor with Bipolar Excitation for In-Wheel Electric Vehicles," 2020 IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, USA, 2020, pp. 5341- 5346, doi: 10.1109/ECCE44975.2020.9236042.
  • P. S. Huynh, D. Ronanki and S. S. Williamson, "An Inductive Power Transfer System using SoftSwitched AC/AC Active-Clamped Half-Bridge Converter with Predictive Dead-Beat Grid Current Control," 2020 IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, USA, 2020, pp. 5155-5161, doi: 10.1109/ECCE44975.2020.9235839.
  • Y. Dasari, D. Ronanki, and S. S. Williamson, “Novel Bank Switching of Supercapacitors with Enhanced Energy Utilization for Electric Vehicular Applications,” in Proc. IEEE Transportation Electrification Conference and Expo (ITEC), Chicago, IL, USA, 2020, pp. 484-488.
  • A. Dekka, D. Ronanki, K. R. Pittam, P. Perumal and A. R. Beig, "Modified Direct Torque and Flux Control of Switched Reluctance Motor Drive with Reduced Source Current Ripple for Vehicular Applications," 2020 IEEE Applied Power Electronics Conference and Exposition (APEC), New Orleans, LA, USA, 2020, pp. 2920-2925, doi: 10.1109/APEC39645.2020.9124380.
  • D. Ronanki and S. S. Williamson, "Analysis and Control of Modular Multilevel Converters using Discontinuous Modulation," 2020 IEEE Applied Power Electronics Conference and Exposition (APEC), New Orleans, LA, USA, 2020, pp. 780-785, doi: 10.1109/APEC39645.2020.9124539.
  • D. Ronanki and S. S. Williamson, “Closed Loop Energy Balancing Control of Modular Multilevel Converters Under Capacitor Degradation,” in Proc. IECON 2019–45th Annual Conference of the IEEE Industrial Electronics Society, Lisbon, Portugal, 2019, pp. 6090-6095.
  • M. S. Sidhu, D. Ronanki and S. S. Williamson, “State of Charge Estimation of Lithium-ion Batteries using Hybrid Machine Learning Technique,” in Proc. IECON2019–45th Annual Conference of the IEEE Industrial Electronics Society, Lisbon, Portugal, 2019, pp. 2732-2737.
  • D. Ronanki and S. S. Williamson, “Thermal Loading and Analysis of Modular Multilevel Converters Using Injection Control of Circulating Current and Common-mode Voltage,” in Proc. IEEE Energy Conversion Congress and Exposition (ECCE), Baltimore, MD, USA, 2019, pp. 4808-4815.
  • K. R. Reddy, D. Ronanki, P. Parthiban, A. R. Beig and S. S. Williamson, “Torque Ripple Minimization of Four-Phase Switched Reluctance Motor Using Direct Torque Control with an Innovative Switching Sequence Scheme,” in Proc. IEEE Energy Conversion Congress and Exposition (ECCE), Baltimore, MD, USA, 2019, pp. 1810-1815.
  • K. R. Reddy, D. Ronanki, P. Parthiban, and S. S. Williamson, “New Direct Torque and Flux Control with Improved Torque per Ampere for Switched Reluctance Motor,” in Proc. IEEE International Electric Machines & Drives Conference (IEMDC), San Diego, CA, May 2019.
  • M. S. Sidhu, D. Ronanki and S. S. Williamson, “Hybrid State of Charge Estimation Approach for Lithium-ion Batteries using k-Nearest Neighbour and Gaussian Filter-based Error Cancellation,” in Proc. 28th IEEE International Symposium on Industrial Electronics (ISIE), Vancouver, BC, Canada, 2019, pp. 1506-1511.
  • D. Ronanki and S. S. Williamson, “Capacitance Estimation in Modular Multilevel Converters under Nearest Level Modulation Scheme,” in Proc. 28th IEEE International Symposium on Industrial Electronics (ISIE), Vancouver, BC, Canada, 2019, pp. 2371-2376.
  • D. Ronanki and S. S.Williamson, “Quasi-Online Low-Frequency Impedance Monitoring Scheme for Submodule Capacitors in Modular Multilevel Converters,” in Proc. IEEE Applied Power Electronics Conference and Exposition (APEC), Anaheim, CA, 2019, pp. 83–90.
  • D. Ronanki and S. S. Williamson, "A Novel 2N+1 Carrier-Based Pulse Width Modulation Scheme for Modular Multilevel Converters with Reduced Control Complexity," 2019 IEEE Applied Power Electronics Conference and Exposition (APEC), Anaheim, CA, USA, 2019, pp. 908-915, doi: 10.1109/APEC.2019.8722205.
  • D. Ronanki and S. S. Williamson, “Single Carrier-Based Pulse Width Modulator for Modular Multilevel Converters,” in Proc. IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Chennai, India, 2018, pp. 1–6.
  • D. Ronanki and S. S. Williamson, “Device Loading of a Modular Multilevel Converter with Flying Capacitor Submodules,” in Proc. IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Chennai, India, 2018, pp. 1–6.
  • D. Ronanki and S. S. Williamson, “Health Monitoring Scheme for Submodule Capacitors in Modular Multilevel Converter Utilizing Capacitor Voltage Fluctuations,” in Proc. 44th Annual Conference of the IEEE Industrial Electronics Society, Washington, DC, 2018, pp. 2068–2073.
  • D. Ronanki and S. S. Williamson, “Pseudo Derivative Feedback Circulating Current Suppression Controller for Modular Multilevel Converter with Flying Capacitor Submodules,” in Proc. 44th Annual Conference of the IEEE Industrial Electronics Society, Washington, DC, 2018, pp. 3985–3990.
  • D. Ronanki and S. S. Williamson, “Voltage Ripple Minimization in Modular Multilevel Converters using Modified Rotative PWM Scheme,” in Proc. IEEE AEIT International Annual Conference, Bari, 2018, pp. 1–6.
  • D. Ronanki and S. S. Williamson, “High-performance Integrated Modulation Scheme for Modular Multilevel Converters,” in Proc. IEEE Transportation Electrification Conference and Expo (ITEC), Long Beach, CA, 2018.
  • D. Ronanki and S. S. Williamson, “Topological Overview on Solid-state Transformer Traction Technology in High-speed Trains,” in Proc. IEEE Transportation Electrification Conference and Expo (ITEC), Long Beach, CA, 2018, pp. 32–37.
  • D. Ronanki and S. S. Williamson, “Modified Phase-disposition PWM Technique for Modular Multilevel Converters,” in Proc. IEEE Transportation Electrification Conference and Expo (ITEC), Long Beach, CA, 2018, pp. 26–31.
  • D. Ronanki and S. S. Williamson, “Generalized SVPWM-based capacitor voltage balancing for modular multilevel converters,” in Proc. IEEE 12th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG 2018), Doha, 2018, pp. 1–6.
  • D. Ronanki, N. A. Azeez, L. Patnaik and S. S. Williamson, “Hybrid multi-carrier PWM technique with computationally efficient voltage balancing algorithm for modular multilevel converter,” in Proc. IEEE International Conference on Industrial Electronics for Sustainable Energy Systems (IESES), Hamilton, 2018.
  • 96. P. Perumal and D. Ronanki, “Design methodology and sensorless control of electric propulsion system using DTC-SVM,” in Proc. IEEE Region 10 Conference (TENCON), Penang, 2017, pp. 1195- 1200.
  • D. Ronanki and S. S. Williamson, “Comparative analysis of DITC and DTFC of switched reluctance motor for EV applications,” in Proc. IEEE International Conference on Industrial Technology (ICIT), Toronto, ON, 2017.
  • D. Ronanki, P. H. Sang, V. Sood and S. S. Williamson, “Comparative assessment of three-phase transformerless grid-connected solar inverters,” in Proc. IEEE International Conference on Industrial Technology (ICIT), Toronto, ON, 2017, pp. 66–71.
  • D. Ronanki and P. Perumal, “A SVPWM for reduction in common mode and bearing currents applied to diode clamped three-level inverter fed induction motor,” in Proc. IEEE International Power Electronics and Motion Control Conference (PEMC), Varna, 2016, pp. 1170–1175.
  •   D. Ronanki and P. Perumal, “PV-Battery Powered Direct Torque Controlled Switched Reluctance Motor Drive,” in Proc. IEEE Asia-Pacific Power and Energy Engineering Conference, Shanghai, 2012, pp. 1–4.
  •   D. Ronanki, K. Rajesh and P. Perumal, “Simulation of SVPWM based FOC of CSI fed induction motor drive,” in Proc. IEEE Students Conference on Engineering and Systems, Uttar Pradesh, India, 2012, pp. 1–6.
  •   D. Ronanki and P. Perumal, “A Small 4-wheeler EV Propulsion System using DTC Controlled Induction Motor,” in Proceedings of the World Congress on Engineering 2013, July 3–5, 2013, London, U.K.

Funding Agencies / Partners

Funding Agencies / Partners

International Collaborations

Research Funded and Consultancy Projects

  • Principal Investigator: “Modular and Fault-Tolerant Power Conversion Systems for Pumped Hydro Storage Plants,” Central Power Research Institute, Bengaluru – Rs. 49.72 Lakhs [2023–25] – 2 years.
  • Principal Investigator: “Modular and Reconfigurable High-Power Fast Charging Topologies for Next Generation e-Transportation Systems,” Start-up Research Grant – Science and Engineering Research Board – Department of Science and Technology – Rs. 33.11 Lakhs [2021–23] – 2 years.
  • Principal Investigator: “Smart Cyber-Physical Security of Electric Powertrains in Autonomous e-Mobility,” National Mission on Cyber-Physical Systems TIH-IIT Kanpur and Department of Science and Technology – Rs. 20.44 Lakhs [2021–24] – 3 years.
  • Co-Principal Investigator: “Zero Emission Trucking,” Climate Imperative Foundation – Rs. 3.6 Crores [2023–26] – 3 years.

Our Achievements

IEEE PESGRE 2025

"Student Travel Grant" for participation in the 4th IEEE International Conference on Power Electronics Smart Grid and Renewable Energy (PESGRE), 2025 held in IITDh, Dharwad (December 18 – December 21, 2025) granted to Mr. Ashwaini Goswami, Mr. Rakesh Pulletikurthi, Mr. Anakapalli Vasu Deva

IEEE IECON 2025

"Student Travel Grant" for participation in the IEEE 2025 IECON – 51st Annual Conference of the IEEE Industrial Electronics Society held in Madrid, Spain (Oct. 14 - Oct. 17) granted to Mr. V B N Satya Sai.

IEEE ECCE USA 2025

"Student Travel Grant" for participation in the IEEE Energy Conversion Conference and Expo (ECCE), 2025 held from Oct. 19-23, 2025 in Philadelphia, Pennsylvania, granted to Mr. Aprameya Karthik S R.

IEEE PEDES 2024

"Student Travel Grant" for participation in the IEEE Power Electronics Drives and Energy Systems (PEDES), 2024 held in NITK, Mangalore (December 18 – December 21, 2024) granted to Mr. Harish Karneddi, awarded for outstanding academic performance and support for attending the conference.

IEEE IECON 2024

"Best Presentation Recognition" in the 2024 IECON – 50th Annual Conference of the IEEE Industrial Electronics Society held in Chicago (November 3 - November 6, 2024) to Mr. Uddhav Ramachandra Surve.

IEEE ECCE USA 2024

"Student Travel Grant" for participation in the IEEE Energy Conversion Conference and Expo (ECCE), 2024 held in Phoenix, Arizona (October 20 – October 24, 2024) granted to Mr. Gyanendra Tiwari, awarded for outstanding academic performance and support for attending the conference.

IEEE TTE 2023 Outstanding Associate Editor

Dr. Deepak Ronanki awarded with "Outstanding Associate Editor-IEEE Transactions on Transportation Electrification-2023."

Universal Onboard Charger

"Universal Wide Voltage Range EV Battery Charger", developed by Mr. Harish Karneddi, Ph.D student [PMRF] under the research led by Dr. Deepak Ronanki got international recognitions.

IEEE APEC 2024

"Travel Grant" for participation in the IEEE Applied Power Electronics Conference and Exposition (APEC 2024) during 25-29 February 2024 held at California Long Beach, USA, organized by IEEE PELS/IAS/PSMA granted for Mr. Harish Karneddi.
"Outstanding Paper Presentation Award" in the IEEE Applied Power Electronics Conference and Exposition (APEC 2024) during 25-29 February 2024 held at California Long Beach, USA, organized by IEEE PELS/IAS/PSMA for Mr. V. Guru Prasad Reddy and Mr. Harish Karneddi.

IEEE PESGRE 2025

"Travel Grant" for participation in the IEEE International Conference on Power Electronics, Smart Grid, and Renewable Energy (PESGRE 2023) during 17-20 December 2023 held at Hotel Hycinth, Trivandrum, Kerala, India organized by IEEE IA/IE/PELS Joint Chapter Kerala granted for Mr. Harish Karneddi.

IEEE PESGRE 2025

Participations at various IEEE International Conferences 2023-24.

Contact Us

Location

Office: 215, Lab: 405B and 504

Power Electronics & E-Mobility Laboratory

Department of Engineering Design, IIT Madras

Email

emobilitylab.ed@gmail.com