Prajof P.

Designation: 

Assistant Professor

Date of Joining at NITK: 

Wednesday, December 4, 2019

Professional Experience: 

6 years (as on 1st June 2022)
Industry experience : 1 year
Teaching experience : 5 years

Contact Details
Faculty (author) Identifiers

ORCID iD: 

0000-0001-7035-3432

Scopus Author ID: 

57193628939

WoS/Publon Researcher ID: 

G-4535-2018
Academic Background

• PhD Indian Institute of Technology Bombay, Mumbai, 2019.

• M.Tech. Amrita School of Engineering, Coimbatore, 2011.

• B.Tech. Amrita School of Engineering, Bangalore, 2009.

Areas of Interest

•   Power Electronics Application to Electric Vehicles and Renewable Energy Systems.

•   Power Converter Topologies

•   Smart grids and Microgrids

•   Control of Power Electronic Systems

Significant Projects
 Research & Developement Projects
 
  1. Design of Inductive Coil Structure and Controller for 3-phase Wireless EV Charger 
    Fund: L&T Technology Services, Rs. 7.15 lakh (2023–2026)
    Role: Co-PI

     
  2. Design and Development of Low Power Wind Turbine System for Telecom Tower Application
    Fund:MoweAIR GmbH, Germany, Rs. 42.20 lakh (2024 – ongoing)
    Role:Co-PI

     
  3. Machine Learning-Based Condition Monitoring System for Lifts with Predictive Diagnostics and Early Fault Detection
    Fund: 
    Vation Digital Pvt. Ltd. (on behalf of Schindler Management AG), Rs. 25.70 lakh (2026 – ongoing)
    Role: Co-PI

Consultancy Projects

  1. Integrated Charger Inverter for EVs – Forvia Hella India, Pune, Rs. 8 lakh (2022–2025)
  2. Technical Feasibility Report on Integrated Air Source Heat Pump – Swadeshi Group, Bangalore, Rs. 5 lakh (2023)
  3.  Vetting of Electrical Design Drawings for MES Residential Project, Bengaluru – Gopal Teknocon Pvt. Ltd., Mangaluru, Rs. 88,500 (2025)
  4. Vetting of Mechanical and Electrical Design Drawings of 8- and 13-Passenger Lifts for MES Residential Project, Bengaluru – Gopal Teknocon Pvt. Ltd., Mangaluru, Rs. 59,000 (2026)
  5. Vetting of Fire Fighting and Fire Alarm Layout Drawings for MES Married Accommodation Blocks, Bengaluru – Gopal Teknocon Pvt. Ltd., Mangaluru, Rs. 59,000 (2026)
  6.  Vetting of Project Implementation Plan (PIP) and Site Survey Report for Provision of Smart Meters and Associated Infrastructure under Garrison Engineer (Air Force), Marathahalli, Bangalore – Allied Engineering Works Ltd., New Delhi, Rs. 50,000 (2026)
Significant Publications

Patents(10):

  1. D. A. Dominic, P. Prabhakaran, S. Mandal, and D. Mathew, “Transformer-less multiport high-gain bidirectional DC–DC converter for DC microgrid integration with energy storage systems,” Indian Patent 599 891, Patent Granted, IPR Application No. 202541129910, Date of Grant: 20/08/2026, Dec. 2025.
     
  2. P. Prabhakaran, A. D. D, S. Mandal, and D. Mathew, “High gain non-isolated DC-DC converter system and method of operation thereof,” Indian Patent 202 541 088 382, Patent Filed, IPR Application No. 202541088382, Sep. 2025.
     
  3. P. Prabhakaran, B. D. Reddy, and Brijesh P V, “Galvanically isolated integrated onboard charger (IOBC) for electric vehicles (EVs),” Indian Patent 590 085, Patent Granted, IPR Application No. 202541088381, Date of Grant: 22/05/2026, Sep. 2025.
     
  4. S. Mandal, S. Prasad, A. Dominic, and P. Prabhakaran, “A non-isolated ultra-high-gain DC-DC converter with wide voltage conversion ratio,” Indian Patent 537 980, Patent Granted, IPR Application No. 202341059720, Sep. 2023.
     
  5. P. Prabhakaran and S. Mandal, “High-gain direct current to direct current converter with reduced component count,” Indian Patent 547 747, Patent Granted, IPR Application No. 202341058071, Aug. 2023.
     
  6. G. O. Suraj, M. R. N. Reddy, V. Kumar, P. Prabhakaran, and B. D. Reddy, “Multi-mode converter system for electric vehicles,” Indian Patent 522 614, Patent Granted, IPR Application No. 202341044002, Jun. 2023.
     
  7. P. Prabhakaran, V. Kumar, and B. D. Reddy, “An integrated charger-cum-motor-drive power converter with dual energy storage system,” Indian Patent 481 475, Patent Granted, IPR Application No. 202241046349, Aug. 2022.
     
  8. P. Prabhakaran and N. Raj, “Reconfiguration of EV battery pack with voltage balancing features,” Indian Patent 202 241 008 785, Published, Application Awaiting Examination, Filing No. E-106/836/2022/CHE, Feb. 2022.
     
  9. P. Prabhakaran and B. D. Reddy, “Method, system, and apparatus for universal motor drive cum charging of an electric vehicle,” Indian Patent 410 737, Patent Granted, IPR Application No. 202241004255, Jan 2022.
     
  10. M. R. N. Reddy, B. D. Reddy, P. Prabhakaran, and D. Kishan, “Multiport high gain power converter with active power decoupling and its operating method thereof,” Indian Patent 431 927, Patent Granted, IPR Application No. 202241062462, Nov. 2022.

Journals(32):

  1. V. V. S. K. Bhajana, P. Biswal, V. Kumar, and P. Prabhakaran, “Soft-switching bidirectional converter for electric vehicle power interfaces,” IEEE Canadian Journal of Electrical and Computer Engineering, vol. 49,no. 3, pp. 321–332, 2026. DOI: 10.1109/ICJECE.2026.3687731.
     
  2. P. V. Brijesh, V. Kumar, P. Prabhakaran, and B. D. Reddy, “A novel single-phase isolated integrated onboard charger for electric vehicles,” IEEE Journal of Emerging and Selected Topics in Industrial Electronics,2026, Early Access. DOI: 10.1109/JESTIE.2026.3736482.
     
  3. G. Maheswari, K. M. Sharma, and P. Prabhakaran, “A novel THI-PWM with sorting method for gridconnected CHB PV inverter,” Iranian Journal of Science and Technology, Transactions of Electrical Engineering, 2026, Early Access. DOI: 10.1007/s40998-026-01155-7.
     
  4. S. Mandal and P. Prabhakaran, “A high-efficiency, high-gain, non-isolated bidirectional DC–DC converter for interfacing DC grid-connected energy storage systems,” IEEE Transactions on Consumer Electronics, vol. 72, no. 1, pp. 134–146, Feb. 2026. DOI: 10.1109/TCE.2025.3648303.
     
  5. S. Mandal and P. Prabhakaran, “A three-port bidirectional DC–DC converter with wide voltage conversion and flexible power flow control for DC microgrid applications,” IEEE Transactions on Consumer Electronics, 2026, Early Access. DOI: 10.1109/TCE.2026.3698577.
     
  6. S. Mandal and P. Prabhakaran, “A three-port bidirectional DC-DC converter for multifunctional PV, battery, and DC grid interfacing applications,” IEEE Journal of Emerging and Selected Topics in Industrial Electronics, 2026, Early Access. DOI: 10.1109/JESTIE.2026.3708621.
     
  7. S. Mandal and P. Prabhakaran, “Design and analysis of a three-port bidirectional DC–DC converter with low voltage stress and flexible power flow control for DC microgrid applications,” IEEE Journal ofEmerging and Selected Topics in Power Electronics, vol. 14, no. 5, pp. 5985–5997, Oct. 2026. DOI: 10.1109/JESTPE.2026.3698587.
     
  8. S. Mandal, P. Prabhakaran, and S. S. Aney, “A novel nonisolated three-port BBB DC–DC converter for multifunctional PV, battery, and DC grid interfacing applications,” IEEE Journal of Emerging and Selected Topics in Industrial Electronics, vol. 7, no. 2, pp. 730–742, Apr. 2026. DOI: 10.1109/JESTIE.2025.3642049.
     
  9. S. Mandal, P. Prabhakaran, and M. Rajagopal, “A multi-input non-isolated high-gain bidirectional DC–DC converter based on an improved SEPIC topology for DC grid integration,” IEEE Transactions on Consumer Electronics, vol. 72, no. 2, pp. 3318–3329, May 2026. DOI: 10.1109/TCE.2026.3678099.
     
  10. S. Prasad, S. Mandal, P. Prabhakaran, and A. Dominic, “A novel boost derived input-parallel outputseries DC-DC converter for bipolar DC nanogrid,” IEEE Transactions on Industry Applications, vol. 62, no. 3, pp. 4036–4049, 2026. DOI: 10.1109/TIA.2025.3618799.

Book Chapters(3):

  1. S. M. Krishna, S. Mahapatra, J. L. F. Daya, T. Perumal, S. Raj, and P. Prabhakaran, “Economic feasibility studies of simple and discounted payback periods for 1 MWp ground mounted solar PV plant at Tirupati airport,” in Smart Grids and Micro-Grids: Technology Evolution, P. Prabhakaran, S. M. Krishna, J. L. F. Daya, U. Subramaniam, and P. V. Brijesh, Eds., Hoboken, NJ: John Wiley & Sons, 2022, ch. 3, pp. 59–71.
     
  2. P. Prabhakaran, S. M. Krishna, J. L. F. Daya, U. Subramaniam, and P. V. Brijesh, Smart Grids and Micro-Grids: Technology Evolution. Hoboken, NJ: John Wiley & Sons, 2022.
     
  3. D. Kishan, R. Kannan, B. D. Reddy, and P. Prabhakaran, Power Electronics for Electric Vehicles and Energy Storage: Emerging Technologies and Developments. Routledge - CRC Press, 2021.

Conferences(35): 

  1. D. Mathew and P. Prabhakaran, “Ant colony optimization-based identification of optimal configuration for loss minimization in DC microgrids with RESs and energy storage,” in 2025 12th National Power Electronics Conference (NPEC), 2025, pp. 1–6. DOI: 10.1109/NPEC66512.2025.11450205.
     
  2. M. Adib, S. Sadeghian, N. Talebi, and P. Prabhakaran, “Extending the ZVS range of phase-shifted fullbridge DC-DC converters with a variable inductor,” in 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), 2024, pp. 1–5. DOI: 10.1109/PEDES61459.2024.10961238.
     
  3. S. Mandal and P. Prabhakaran, “A non-isolated bidirectional buck-boost DC-DC converter with minimum component count,” in 2024 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems (SPICES), 2024, pp. 1–6. DOI: 10.1109/SPICES62143.2024.10779649.
     
  4. S. Mandal and P. Prabhakaran, “A novel non-isolated high-gain boost DC-DC converter with single switch and minimum component count,” in 2024 Third International Conference on Power, Control and Computing Technologies (ICPC2T), 2024, pp. 529–534. DOI: 10.1109/ICPC2T60072.2024.10474952.
     
  5. S. Mandal, P. Prabhakaran, and M. Adib, “A non-isolated step-up DC-DC converter based on modified quadratic boost and Cuk converter,” in 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), 2024, pp. 1–6. DOI: 10.1109/PEDES61459.2024.10961618.
     
  6. S. Prasad, P. Prabhakaran, and A. D. D, “A dual input bipolar symmetrical output DC-DC converter with improved voltage gain,” in 2024 IEEE International Communications Energy Conference (INTELEC), 2024, pp. 1–6. DOI: 10.1109/INTELEC60315.2024.10678997.
     
  7. S. Prasad, P. Prabhakaran, and A. D. D, “A four-port buck-boost converter with dual-input and bipolaroutput,” in 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), 2024, pp. 1–5. DOI: 10.1109/PEDES61459.2024.10961862.
     
  8. S. Prasad, P. Prabhakaran, and A. D. D, “A four-port DC-DC converter for hybrid integration of fuel cell-solar PV with bipolar DC microgrid,” in 2024 IEEE International Communications Energy Conference (INTELEC), 2024, pp. 1–6. DOI: 10.1109/INTELEC60315.2024.10678992.
     
  9. S. Prasad, P. Prabhakaran, and A. D. D, “A nonisolated four-port DC-DC converter for solar PV-battery integration in bipolar load systems,” in 2024 IEEE International Communications Energy Conference (INTELEC), 2024, pp. 1–6. DOI: 10.1109/INTELEC60315.2024.10678968.
     
  10. S. Prasad, P. Prabhakaran, and A. D. D, “A three-port converter for integrating solar PV-battery systems with DC loads,” in 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems(PEDES), 2024, pp. 1–6. DOI: 10.1109/PEDES61459.2024.10961365.
Achievements
  • Awarded Young Researcher and Best Paper for the paper titled “A Novel PR Controller with Improved Performance for Single Phase UPS Inverter” in ICNTE 2021 organized by Fr C Rodrigues Institute of Technology, Vashi in association with IEEE and IAS on January 15 to 16 2021.

  • Obtained two SPOT AWARDs from my immediate supervisor at L&T Technology Services, Bangalore, in capturing the show stopper issue in Suitcase model project and helping the EV team in developing BMS and power train for 10kW BLDC based EV.

  • Received a certificate of appreciation for excellence in teaching assistantship for assisting Prof. Vivek Agarwal, IIT-Bombay, in the course “Introduction to Electrical and Electronics Circuits” in the autumn semester of the academic year 2017-18.

  • Awarded Graduate Student Assistantship (with financial assistantship of $825.00) for Photovoltaic Specialist Conference, New Orleans, LA, USA, held in June 2015.

  • Awarded gold medal for achieving the first rank (at university level) in M.Tech (Power Electronics).

  • Secured third rank at the university level in B.Tech programme in Electrical and Electronics Engineering.

  • Secured All India Rank 1089 with 99.3 percentile among 1,52,381 candidates in Electrical Engineering GATE-2013.

  • Won prizes for academic excellence at both B.Tech and M.Tech level.

Remarks