V. S. S. Pavan Kumar Hari

V. S. S. Pavan Kumar Hari

pavanhari@iitb.ac.in

Academic Background:

  • Ph.D., Electrical Engineering, IISc Bengaluru
  • M.Sc.(Engg.), Electrical Engineering, IISc Bengaluru
  • B.Tech. (Electrical and Electronics Engg.), Acharya Nagarjuna University, Andhra Pradesh

Contact Address:

Department of Energy Science and Engineering,
IIT Bombay, Powai, Mumbai - 400076.
Office Location: Room No: 419A, 4th Floor, DESE-ESED Building

Phone: +91 22 2576 7853 (Office)


Research Interest:

  • Electrical Machines, Power Electronics and Industrial Drives
    Application Areas: Wind Turbine Generators, Magnetic Gears, Railway Power System, Micro-Energy Harvesting, Electric and Hybrid Electric Vehicles

Courses Offered:

  • EN 313: Power Electronics
  • EN 312: Control and Instrumentation
  • EN 212: Electrical Machines
  • EN 319: Electrical Machines and Power Electronics Lab
  • EN 209: Basic Electrical Engineering and Electronics
  • EN 417: Computer Programming
  • EN 659: Enegy Efficient Industrial Drives

List of Publications:

  1. A. Nanda and V. S. S. Pavan Kumar Hari, "A New Variable-Speed Wind Energy Conversion System using Double-inverter-fed Wound Rotor Induction Generator", Accepted for publication in IEEE Transactions on Energy Conversion.
  2. A. Nanda and V. S. S. Pavan Kumar Hari, "Improved Dual Volts-per-Hertz Control of Double Inverter-Fed Wound Rotor Induction Machine", IEEE Transactions on Industrial Electronics, Vol. 71, No. 9, pp. 10268-10276, September 2024.
  3. A. Sahoo and V. S. S. Pavan Kumar Hari, "A Coaxial Magnetic Gear with Reduced Cogging Torque", IIT Bombay, Indian Patent Application No. 202421049294 (Filed), 27th June, 2024.
  4. A. Nanda and V. S. S. Pavan Kumar Hari, "Dual Volts-per-Hertz Control of Double Inverter-Fed Wound Rotor Induction Machine", IEEE Transactions on Industrial Electronics, Vol. 71, No. 3, pp. 2198-2207, March 2024.
  5. A. Nanda and V. S. S. Pavan Kumar Hari, "Variable-Speed Wind Energy Conversion System Using Double-Inverter-Fed Wound Rotor Induction Generator", IIT Bombay, Indian Patent Application No. 202421004280 (Filed), 22nd January, 2024.
  6. A. Sahoo and V. S. S. Pavan Kumar Hari, "Fast and Accurate Transient Simulation of Magnetic Gears", AIP Advances, Vol. 14, Issue 1, 015344, January 2024.
  7. A. Hirde, A. Khardenavis, Rangan Banerjee, Manaswita Bose and V. S. S. Pavan Kumar Hari, "Energy and emissions analysis of the hyperloop transportation system", Environment, Development and Sustainability, Vol. 25, pp. 8165–8196, August 2023.
  8. A. Nanda and V. S. S. Pavan Kumar Hari, “Method of Controlling the Speed of a Doubly-fed AC Machine”, IIT Bombay, Indian Patent Application No. 202321015672 (Filed), 9th March, 2023.
  9. Soumitra Das, V. S. S. Pavan Kumar Hari, Arun Kumar and G. Narayanan, "Analysis of generalized continual-clamp and split-clamp PWM schemes for induction motor drive", Sadhana, Academy Proceedings in Engineering Sciences, Vol. 44, Issue 2, February 2019.
  10. V. S. S. Pavan Kumar Hari, A. Tripathi and G. Narayanan, "Experimental Determination of Mechanical Parameters in Sensorless Vector-Controlled Induction Motor Drive", Sadhana, Academy Proceedings in Engineering Sciences, Vol. 42, Issue 8, pp. 1285-1297, August 2017.
  11. V. S. S. Pavan Kumar Hari and G. Narayanan, "Space-Vector-Based Hybrid PWM Technique to Reduce Peak-to-Peak Torque Ripple in Induction Motor Drives", IEEE Transactions on Industry Applications, Vol. 52, No. 2, pp. 1489-1499, March/April 2016.
  12. V. S. S. Pavan Kumar Hari and G. Narayanan, "Theoretical and Experimental Evaluation of Pulsating Torque Produced by Induction Motor Drives Controlled with Advanced Bus-Clamping Pulse Width Modulation", IEEE Transactions on Industrial Electronics, Vol. 63, No. 3, pp. 1404-1413, March 2016.
  13. V. S. S. Pavan Kumar Hari and G. Narayanan, "Space-Vector-Based Hybrid PWM Technique to Reduce Line Current Distortion in Induction Motor Drives", IET Power Electronics, Vol. 5, Issue 8, pp. 1463-1471, September 2012.
  14. D. Zhao, V. S. S. Pavan Kumar Hari, G. Narayanan and R. Ayyanar, "Space-Vector-Based Hybrid Pulse Width Modulation Techniques for Reduced Harmonic Distortion and Switching Loss", IEEE Transactions on Power Electronics, Vol. 25, Issue 3, pp. 760-774, March 2010.
  15. U. Suryavalli, V. V. Deshmukh, V. S. S. Pavan Kumar Hari, "Analytical Closed-Form Expressions for Magnitudes of Voltage Harmonics in a Two-Level Voltage Source Inverter", Proceedings of IEEE-PEDES, IEEE International Conference on Power Electronics, Drives and Energy Systems, Jaipur, December 2022.
  16. Varunkumar Rai, Pushkar Saraf and V. S. S. Pavan Kumar Hari, "Design and Control of Bidirectional DC-DC Converter for Active Power Decoupling", Proceedings of IEEE-TPEC 2021, The 5th Annual IEEE Texas Power and Energy Conference (TPEC), College Station, Texas, USA, February 2021.
  17. A. Tripathi, V. S. S. Pavan Kumar Hari and G. Narayanan, "Closed-Loop Rotor Flux Estimation in Vector Controlled Induction Motor Drives Operated at Low Switching Frequencies", Proceedings of PEDES, IEEE International Conference on Power Electronics, Drives and Energy Systems, Trivandrum, INDIA, December 2016.
  18. V. S. S. Pavan Kumar Hari, A. Tripathi and G. Narayanan, "Experimental Determination of Mechanical Parameters in Sensorless Vector-Controlled Induction Motor Drive", Proceedings of NPEC, National Power Electronics Conference, Mumbai, INDIA, December 2015.
  19. V. S. S. Pavan Kumar Hari and G. Narayanan, "Space-Vector-Based Hybrid PWM Technique to Reduce Peak-to-Peak Torque Ripple in Induction Motor Drives", Proceedings of IEEE-APEC 2014, The 29th Annual IEEE Applied Power Electronics Conference and Exposition, Fort Worth, Texas, USA, pp. 812-817, March 2014.
  20. Tapas Roy, V. S. S. Pavan Kumar Hari and G. Narayanan, "Study on the Effect of Dead Time and its Compensation for Bus-Clamping PWM Techniques", Proceedings of NPEC, National Power Electronics Conference, Kanpur, INDIA, December 2013.
  21. V. S. S. Pavan Kumar Hari and G. Narayanan, "A Quick-Simulation Tool for Induction Motor Drives Controlled Using Advanced Space-Vector-Based PWM Techniques", Proceedings of NPEC, National Power Electronics Conference, Kanpur, INDIA, December 2013.
  22. V. S. S. Pavan Kumar Hari, G. Narayanan, Rex Joseph and L. Umanand, "Analysis of the Modulation Process in Advanced Bus-Clamping PWM Techniques", Proceedings of IECON 2013, The 39th Annual Conference of IEEE Industrial Electronics Society, Vienna, AUSTRIA, pp. 453-458, November 2013.
  23. V. S. S. Pavan Kumar Hari and G. Narayanan, "Study on Rotor Current Waveforms in an Inverter-fed Induction Motor Drive During Overmodulation", Proceedings of CCEE, The EE Centenary Conference, IISc, Bangalore, INDIA, December 2011.
  24. V. S. S. Pavan Kumar Hari and G. Narayanan, "Comparative Evaluation of Space Vector Based Pulse Width Modulation Techniques in terms of Harmonic Distortion and Switching Losses", Proceedings of MCDES, Managing Complexity in a Distributed World, An IISc Centenary Conference, Bangalore, INDIA, May 2008.

Work Experience:

  • Postdoctoral Researcher at Arizona State University, Tempe, AZ, USA
    from June 2015 to April 2017
  • Engineer at ABB Ltd., Bangalore from August 2008 to July 2009