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Dr. J. Ramprabhakar

Associate Professor

Qualification: M.Tech, Ph.D
j_ramprabhakar@blr.amrita.edu
Research Interest: Power Electronics Application to Renewable Energy Technologies (Wind-Solar-Hydro Energy Conversion Systems)

Bio Publications Education Professional Appointments Research & Management Experience Major Research Interests Certificates, Awards & Recognitions On-Going Project Research Grants Received Keynote Addresses/Invited Talks/Panel Memberships Courses Taught Student Guidance
Bio

Dr. J. Ramprabhakar currently serves as Associate Professor at the Department of Electrical & Electronics, Amrita School of Engineering, Bangalore campus. He completed his Ph.D. from Indian Institute of Technology, Gandhinagar in 2016, M. Tech. (Power Electronics) from Amrita Vishwa Vidyapeetham in 2005, Coimbatore and B. Tech. (Instrumentation and Control Engineering) from Madras University in 2000. He has 13 years of Teaching Experience, 3 years of Industrial Experience and 4.5 years of Research Experience.He has received extramural grant from –

  1. Vision Group of Science and Technology (Karnataka Funding for Infrastructure Strengthening in Science and Technology (K-FIST Level – 1): For setting Microgrid research lab comprising Battery Augmented 3KW rooftop Wind-Solar hybrid system with a vision to develop smartgrid laboratory scale prototype.
  2. Defense Research and Development Organization – Aeronautics Research and Development Board (DRDO-ARDB): For setting up drives lab pertinent to power electronics driven BLDC motor for LCA application.
Publications

Journal Article

Year : 2018

Optimization Techniques for Operation and Control of Microgrids – Review

Cite this Research Publication : S. Chukkaluru and Dr. J. Ramprabhakar, “Optimization Techniques for Operation and Control of Microgrids - Review”, Journal of Green Engineering, vol. 8, pp. 621-644, 2018.



Publisher : Journal of Green Engineering

Year : 2015

Estimating Battery Reserve using Weather Forecasting and Optimization

Cite this Research Publication :
S. Praveen Vabbilisetty, Kishore, R., Sandeep, M., and Dr. J. Ramprabhakar, “Estimating Battery Reserve using Weather Forecasting and Optimization”, International Journal of Scientific Engineering and Technology Research, vol. 4, no. 51, pp. 11018-11022, 2015.

Publisher : International Journal of Scientific Engineering and Technology Research

Year : 2014

STATCOM-Based Wind-Solar-Hydro Electric Power System with Modified Real and Reactive Power Controls

Cite this Research Publication : Dr. J. Ramprabhakar and Ragavan, K., “STATCOM-Based Wind-Solar-Hydro Electric Power System with Modified Real and Reactive Power Controls”, International Journal of Emerging Electric Power Systems, vol. 15, pp. 45-48, 2014.

Publisher : International Journal of Emerging Electric Power Systems

Year : 2013

Power Management Based Current Control Technique for Photovoltaic-Battery Assisted Wind–Hydro Hybrid System

Cite this Research Publication : Dr. J. Ramprabhakar and Ragavan, K., “Power Management Based Current Control Technique for Photovoltaic-Battery Assisted Wind–Hydro Hybrid System”, International Journal of Emerging Electric Power Systems, vol. 14, pp. 351–362, 2013.

Publisher : International Journal of Emerging Electric Power Systems

Conference Paper

Year : 2022

Multistep Ahead Solar Irradiance and Wind Speed Forecasting using Bayesian Optimized Long Short Term Memory

Cite this Research Publication : S. Syama and J. Ramprabhakar, "Multistep Ahead Solar Irradiance and Wind Speed Forecasting using Bayesian Optimized Long Short Term Memory," 2022 7th International Conference on Communication and Electronics Systems (ICCES), Coimbatore, India, 2022, pp. 164-171, doi: 10.1109/ICCES54183.2022.9835840

Publisher : IEEE

Year : 2022

Smart V2G/G2V Charging for Grid connected-Electric Vehicles in Indian Scenario

Cite this Research Publication : Bhargavi, S., Jyothsna, U.B., Deepa, K., Sailaja, V., Ramprabhakar, J., “Smart V2G/G2V Charging for Grid connected-Electric Vehicles in Indian Scenario”, Proceedings of the 2022 International Conference on Electronic Systems and Intelligent Computing, ICESIC 2022, 2022, pp. 40–45

Publisher : IEEE

Year : 2021

Comparative study of Wind Speed Forecasting using Machine Learning

Cite this Research Publication : Nookesh, V.M., Kumar, V.B., Saketh, B.S., Syama, S., Ramprabhakar, J., Comparative study of Wind Speed Forecasting using Machine Learning, Proceedings - 2nd International Conference on Smart Electronics and Communication, ICOSEC 2021 pp. 1121-1126, 2021

Publisher : IEEE

Year : 2021

Reduction of Harmonics in 25kV Line of Electric Locomotive

Cite this Research Publication : G. P. Rahul, P. Harshit, R. P. Krishna, K. S. Reddy and J. Ramprabhakar, "Reduction of Harmonics in 25kV Line of Electric Locomotive," 2021 International Conference on Smart Generation Computing, Communication and Networking (SMART GENCON), Pune, India, 2021, pp. 1-4, doi: 10.1109/SMARTGENCON51891.2021.9645745.

Publisher : IEEE

Year : 2021

Wind Speed Prediction Using Deep Learning-LSTM and GRU

Cite this Research Publication : Kumar, V.B., Nookesh, V.M., Saketh, B.S., Syama, S., Ramprabhakar, J., Wind Speed Prediction Using Deep Learning-LSTM and GRU, Proceedings - 2nd International Conference on Smart Electronics and Communication, ICOSEC 2021,pp. 602-607

Publisher : IEEE

Year : 2018

Voltage Stabilization by Using Buck Converters in the Integration of Renewable Energy into the Grid

Cite this Research Publication : Suganya, J., Karthikeyan, R., Ramprabhakar, J. Voltage Stabilization by Using Buck Converters in the Integration of Renewable Energy into the Grid, New Trends in Computational Vision and Bio-Inspired Computing - Selected Works Presented at the ICCVBIC 2018 pp. 509-517

Publisher : Springer

Year : 2018

Comparative study on modeling and estimation of State of Charge in battery

Cite this Research Publication : R. Varier, Dr. J. Ramprabhakar, and S, S., “Comparative study on modeling and estimation of state of charge in battery”, in IEEE International Conference on Smart Technologies for Smart Nation, 2018.



Publisher : IEEE

Conference Proceedings

Year : 2020

Gas Leakage Detection System using IoT with integrated notifications using Pushbullet-A Review

Cite this Research Publication : A. M Subramanian, Selvam, N., Rajkumar, S., Mahalakshmi, R., and Dr. J. Ramprabhakar, “Gas Leakage Detection System using IoT with integrated notifications using Pushbullet-A Review”, 2020 Fourth International Conference on Inventive Systems and Control (ICISC). IEEE, Coimbatore, India, 2020.

Publisher : IEEE

Year : 2019

Optimal Power Flow Controller for a Hybrid Renewable Energy System Using Particle Swarm Optimization

Cite this Research Publication : S. C. and Dr. J. Ramprabhakar, “Optimal Power Flow Controller for a Hybrid Renewable Energy System Using Particle Swarm Optimization”, 2019 National Power Electronics Conference (NPEC). IEEE, Tiruchirappalli, India, 2019.

Publisher : IEEE

Year : 2019

Solar tracker using Maximum Power Point Tracking algorithm

Cite this Research Publication : K. Poojitha, Ashwini, L., Anjali, B. S., and Dr. J. Ramprabhakar, “Solar tracker using Maximum Power Point Tracking algorithm”, 2019 International Conference on Intelligent Computing and Control Systems (ICCS). IEEE, Madurai, India, 2019

Publisher : ICCS

Year : 2019

Effective control of three power source dc micro grid using Smart meter

Cite this Research Publication : R. V. Tungal, Anand Rajendran, and Dr. J. Ramprabhakar, “Effective control of three power source dc micro grid using Smart meter”, 2019 3rd International Conference on Trends in Electronics and Informatics (ICOEI). IEEE, Tirunelveli, India, 2019.

Publisher : IEEE

Year : 2019

Decentralized Droop Control in DC Microgrid

Cite this Research Publication : G. M. R, Dr. J. Ramprabhakar, and Anand Rajendran, “Decentralized Droop Control in DC Microgrid”, 2019 International Conference on Smart Systems and Inventive Technology (ICSSIT). IEEE, Tirunelveli, India, 2019.


Publisher : IEEE

Year : 2018

Low Cost Wireless Data Acquisition for Renewable Energy Conversion Systems

Cite this Research Publication : S. Sripada Batchu, S, S., Pragallapati, B. Kumar, and Dr. J. Ramprabhakar, “Low Cost Wireless Data Acquisition for Renewable Energy Conversion Systems”, 2018 3rd IEEE International Conference on Recent Trends in Electronics, Information Communication Technology (RTEICT). IEEE, Bangalore, India, 2018.

Publisher : IEEE

Year : 2018

A Hybrid Energy Source Integration in a DC Microgrid using Multi- Input Buck-Boost Converter

Cite this Research Publication : A. Mounika, Shankar, S., and Dr. J. Ramprabhakar, “A Hybrid Energy Source Integration in a DC Microgrid using Multi- Input Buck-Boost Converter”, 2018 4th International Conference for Convergence in Technology (I2CT). IEEE, Mangalore, India, 2018.

Publisher : IEEE

Year : 2018

Electric Vehicle Designing, Modelling and Simulation

Cite this Research Publication : S. Krishna Vempalli, Dr. J. Ramprabhakar, Shankar, S., and Prabhakar, G., “Electric Vehicle Designing, Modelling and Simulation”, 2018 4th International Conference for Convergence in Technology (I2CT). IEEE, Mangalore, India, 2018.

Publisher : IEEE

Year : 2017

Continuous tracking of maximum power point of PV array with controller

Cite this Research Publication : T. Keerthana, Shankar, S., and Dr. J. Ramprabhakar, “Continuous tracking of maximum power point of PV array with controller”, 2017 International Conference On Smart Technologies For Smart Nation (SmartTechCon). IEEE, Bengaluru, India, 2017.



Publisher : IEEE

Year : 2016

Hybrid MPPT controller for accurate and quick tracking

Cite this Research Publication : K. Labeeb, Shankar, S., and Dr. J. Ramprabhakar, “Hybrid MPPT controller for accurate and quick tracking”, 2016 IEEE International Conference on Recent Trends in Electronics, Information Communication Technology (RTEICT). IEEE, Bangalore, India, 2016.

Publisher : IEEE

Year : 2016

Coordination of wind-hydro energy conversion system with sliding mode control

Cite this Research Publication : K. Sivakumar, Dr. J. Ramprabhakar, and Dr. Shankar S., “Coordination of wind-hydro energy conversion system with sliding mode control”, in 1st IEEE International Conference on Power Electronics, Intelligent Control and Energy Systems, ICPEICES 2016, 2017.

Publisher : Institute of Electrical and Electronics Engineers Inc

Year : 2016

Estimation and controlling the state of charge in battery augmented photovoltaic system

Cite this Research Publication : B. M. Prabhakar, Dr. J. Ramprabhakar, and V. Sailaja, “Estimation and controlling the state of charge in battery augmented photovoltaic system”, 2016 - Biennial International Conference on Power and Energy Systems: Towards Sustainable Energy, PESTSE 2016. IEEE, Bangalore, India, 2016.

Publisher : IEEE

Year : 2016

Comparative study of wind speed forecasting techniques

Cite this Research Publication : K. Kiranvishnu, Dr. J. Ramprabhakar, and K. Sireesha, “Comparative study of wind speed forecasting techniques”, in 2016 - Biennial International Conference on Power and Energy Systems: Towards Sustainable Energy, PESTSE 2016, 2016.

Publisher : Institute of Electrical and Electronics Engineers Inc.

Year : 2015

Wind-photovoltaic systems for isolated load condition

Cite this Research Publication : J. Simon and Dr. J. Ramprabhakar, “Wind-photovoltaic systems for isolated load condition”, 2015 International Conference on Computation of Power, Energy, Information and Communication (ICCPEIC), vol. 200-204. IEEE, Melmaruvathur, India, 2015.

Publisher : 2015 International Conference on Computation of Power, Energy, Information and Communication (ICCPEIC),

Year : 2012

Dual bi-directional converter control for wind-solar-hydro system in grid connected and islanded operation

Cite this Research Publication : Dr. J. Ramprabhakar and Ragavan, K., “Dual bi-directional converter control for wind-solar-hydro system in grid connected and islanded operation”, 2012 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES). IEEE, Bengaluru, India, 2012.

Publisher : IEEE

Year : 2011

Classical Controller for Reliable Coordination of Wind-Solar-Hydro Energy Conversion System in Isolated Region

Cite this Research Publication : Dr. J. Ramprabhakar and Ragavan, K., “Classical Controller for Reliable Coordination of Wind-Solar-Hydro Energy Conversion System in Isolated Region”, 2011 International Conference on Power and Energy Systems. IEEE, Chennai, India, 2011.

Publisher : IEEE

Year : 2011

Unified Controller for Reliable Coordination of Wind-Solar-Hydro Energy Conversion System.

Cite this Research Publication : Dr. J. Ramprabhakar and K, R., “Unified Controller for Reliable Coordination of Wind-Solar-Hydro Energy Conversion System”, Centenary Conference – Electrical Engineering (CCEE-2011). Indian Institute of Science Bangalore, 2011.

Publisher : Indian Institute of Science Bangalore

Education
DEGREE/PROGRAM INSTITUTION
PhD Indian Institute of Technology Gandhinagar
M.Tech (PE) Amrita Vishwa Vidyapeetham
B.Tech (ICE) Adhiyaman college of Engineering, Hosur, (Madras University)
Professional Appointments
Year Affiliation
Jan ’14-Till Date Assistant Professor, Department of Electrical and Electronics Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Bangalore
Jul.’07-May’09 Lecturer, PES Institute of Technology, Visvesvaraya Technological University, Bangalore
Sep.’05-May ‘07 Lecturer, R.V. College of Engineering, Visvesvaraya Technological University, Bangalore
Research & Management Experience
Research Experience
Jul ’09 to Jan’14 Doctoral research work at Indian Institute of Technology Gandhinagar, Gandhinagar
Industry experience
Dec.’02-Mar.‘03 Engineer PLC programmer, M/s Nisarga Automation, Bangalore
Jan.’01-Dec.’02 Engineer Quality Assurance (Management Representative)
Major Research Interests
  • Power electronics application in Renewable energy technologies, Microgrid, Smartgrid, Battery management for electric vehicles, vehicle to grid, grid to vehicle power management, weather and demand forecasting.
Certificates, Awards & Recognitions
  • Meritorious student scholarship from M/s TVS Motor Company for Higher secondary Course.
  • Topper of the batch 1996 – 2000 (B.E.)
  • Best teaching award for the academic year 2006 – 2007 (R.V. College of Engineering, Bangalore).
On-Going Project
Funding Received A Micro-Grid Testbed Laboratory – With a View: Transition towards Smart Grid Knowledge Centre
Program Coordinator: Dr. J Ramprabhakar
Scheme: VGST – KIST L1
Scheme: Karnataka Fund for Infrastructure Strengthening in Science and Technology (K-FIST)-VGST Knowledge Centre
Amount Rs. 20 Lakhs (Level – 1)
Key Highlights of the Funded Project Title: A Micro-Grid Test bed Laboratory – With a View: Transition towards Smart Grid knowledge centre
a. The above-mentioned lab can emerge as a training center of excellence in the contemporary areas of research pertinent to Microgrid (Hybrid Wind-Solar PV system with Battery augmented setup)
b. In due course, after accomplishing the SMARTGRID transition, Vehicle to Grid (V2G), Grid to Vehicle (G2V) control scaled down model can be developed as a product for – Patent / research / training purpose. This would enhance contemporary research thoughts in fostering young technologists in this modern era.
c. The optimal power energy scheduling of a microgrid (MG) is not only related to the active power of distributed generators but also dependent on the reactive power and system operational constraints. It is essential to manage the active and reactive power simultaneously in optimal energy distribution. The research work will be focused on developing an online algorithm to optimize the real-time power energy distribution in the MG, considering both reactive power and system operational constraints in Indian grid context. The goal is to provide high quality electricity usage for users in the MG and maximize users’ utility in the denizens of the locality.
Research Grants Received
  • A Micro-Grid Test bed Laboratory – With a View: Transition towards Smart Grid Knowledge Centre
     PI: Dr. J Ramprabhakar, Co-PI: Dr. Anand R.
    Funding Agency: Vision Group of Science and Technology, Karnataka Funding for Infrastructure Strengthening in Science and Technology.
    Rs. 20 Lakhs(Verge of Completion)
  • A Single sided matrix converter fed brushless DC motor for Energy Conservation
    PI: Dr. Anand R., Co- PI: Dr. J. Ramprabhakar
    Funding Agency: Aeronautics R&D Board, DRDO,
    User Relevant Lab: CSIR-NAL Bangalore
    Rs. 23.25 Lakhs (On Going)
Keynote Addresses/Invited Talks/Panel Memberships
  • PESTSE 2016
Courses Taught
  • Renewable Energy Technologies
  • Distributed Generation
  • Power System Management
  • Deregulated Power System
  • Restructured Power Systems
  • Power System Operation and Control
  • Basic Electrical Engineering
  • Electromagnetic Field Theory
  • Industrial Drives and Control
  • Advanced Electric Drives

Student Guidance

Undergraduate Students

Sl. No. Name of the Student(s) Topic Status – Ongoing/

Completed

 Year of Completion
1. B. Manoj Kumar

MVJSP Sandeep

M. Ravikishore Reddy

V. Saipraveen

 Estimating Battery energy reserve using weather forecasting and optimisation Completed 2015
2. Chaithanya PVS

Manikanta Reddy

Rahul S.

 Stability analysis of wind-solar hybrid system Completed 2016
3. Arelli Sridhar

Dharmendra Babu

Hariprasad

 Design and Implementation of low cost data acquisition unit for solar photovoltaic system Completed 2017
4. K. Sabareesh

K. UmaShankar

K. Nagavishnu

 Solar Powered automated fire detection and controlling system Completed 2017
5. B. S. Sripada

Bharani Kumar

 Wireless data acquisition of renewable sources Completed 2018

Postgraduate Students

Sl. No. Name of the Student(s) Topic Status – Ongoing/

Completed

 Year of Completion
1. Justin Simon Wind-Solar Photovoltaic system for different load conditions Completed 2014
2. Bhavya M. P. Estimation and controlling battery state of charge in a photovoltaic system Completed 2014
3. Kiran Vishnu Comparative study of different wind speed forecasting methods Completed 2014
4. Pavan Kumar Comparative study of different control algorithm on BLDC motors Completed 2015
5. Rahul Varier Comparative study on modelling and estimation of state of charge in battery Completed 2015
6. Keerthana Continuous tracking of maximum power point of PV array with controller Completed 2015
7. Mounika A A Hybrid Energy Source Integration in a DC Microgrid using Multi-Input Buck-Boost Converter Completed 2016
8. Vempalli Sai Krishna Electric Vehicle designing, modelling and simulation Completed 2017
9. Gayathri M. R. Decentralized Droop control in DC microgrid Completed 2018
10. Tungal R. V. Effective control of three power source dc micro grid using Smart meter Completed 2019

Research Scholars

Sl. No. Name of the Student(s) Topic Status – Ongoing/

Completed

 Year of Completion
1. C. Suchetha Energy Scheduling and Optimal Operation of Hybrid Renewable Energy System Using Intelligent Algorithms Ongoing
2 K. Sireesha Intelligent Battery Management System for Electric Vehicles (IBMS for EVs) Ongoing
3 Anisha Asmy Control of active power in Microgrid using Electric Vehicles (V2G, G2V) Ongoing
4 S. Syama Developing an aggregate wind-solar forecast model for moderation of Generation-Demand gap in hybrid energy conversion system Ongoing
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