Dattatraya Narayan Gaonkar

Designation: 

Professor and Head of the Department

Date of Joining at NITK: 

Wednesday, December 12, 2007

Professional Experience: 

20 Years and at NITK 17 Years.

Contact Details

E-mail: 

dngaonkar@nitk.edu.in

Alternate E-mail: 

dngaonkar@gmail.com

Telephone: 

+91-824-2473457

Google Scholar: 

https://scholar.google.co.in/citations?user=LWb08CEAAAAJ&hl=en
Faculty (author) Identifiers

ORCID iD: 

https://orcid.org/0000-0002-8067-2661
Academic Background
  • Ph.D, Indian Institute of Technology (IIT) Roorkee, 2008
  • M.Tech, National Institute of Technology Karnataka (NITK) Surathkal, 2003
  • B.E, B.V.B. College of Engineering and Technology Hubli, Karnataka, 1998
Areas of Interest
  • Power System Operation and Control
  • Distributed Generation Systems
  • Smart Grid Technologies: Application and Control
  • Machine Learning Algorithms and Applications
Significant Projects

1. Title of the project: Design and demonstration of flow field gradients for enhanced PEM fuel cell performance under high current load.
Funding Agency: Ministry of Power, Govt. of India through Central Power Research Institute Bangalore (CPRI)
Amount of Grant: 49.023 lakhs
Period & Status: May 2023 to May 2025 & Ongoing
Investigators: Dr. Poornesh Kumar Koorata (PI), Department of Mechanical Engineering and Dr. Dattatraya N. Gaonkar.(co-PI)

2. Title of the project: Extraction of maximum power output from PV array using static reconfiguration scheme under non uniform irradiation conditions
Funding Agency: Vision Group on Science and Technology (VGST), Govt of Karnataka
Amount of Grant: 3 Lakh
Period & Status: Nov 2021-Nov 2023 & Completed
Investigators: Dr. A. Karthikeyan (PI) and Dr. Dattatraya N. Gaonkar (Co-PI)

3. Title of the project: Investigation on the Operation & Control of Multiple Distributed Generation resources in a Microgrid (Phase-II).
Funding Agency: Ministry of Power, Govt. of India through Central Power Research Institute Bangalore (CPRI)
Amount of Grant: 25 lakhs
Period & Status: July 2016 to March 2018 & Completed
Investigators: Dr. D. N. Gaonkar (PI) and Dr. D. Jena (co-PI)

4. Title of the project: Investigation on the Operation & Control of Multiple Distributed Generation resources in a Microgrid (Phase-I).
Funding Agency: Ministry of Power, Govt. of India through Central Power Research Institute Bangalore (CPRI)
Amount of Grant: 25 lakhs
Period & Status: May 2011 to March 2013 & Completed
Investigators: Dr. Dattatraya N. Gaonkar (PI) and Prof. Udaykumar R. Y.(co-PI)

5. Title of the project: FPGA Based Development of Different MPPT Algorithms for a standalone Photovoltaic system using Artificial Intelligence
Funding Agency: Ministry of Power, Govt. of India through Central Power Research Institute Bangalore (CPRI)
Amount of Grant: 25.07 lakh
Period & Status: May 2014 to May 2016 & Completed
Investigators: Dr. D. Jena (PI) and Dr. Dattatraya N. Gaonkar (co-PI)

Supervision of Ph.D

Post Doc: 01( on-going)

  • Dr. Vinod Patil  "Performance Investigation of Electric Vehicle Charging in Bipolar Dc Microgrid" Mentor : Dr. Dattatraya N Gaonkar,.

PhD Degree Awarded : 10

  • Dr. B. K. Singh "Modeling and Analysis of Distributed Generation Systems" 2011, Research Supervisors : Dr. R. S. Aithal, Dept. E&E, MIT Manipal and Dr. D. N. Gaonkar.
  • Dr. R. Shivarudraswamy “Voltage regulation of power distributed generation system with interconnected distributed generators,  2013 , Research Supervisor: Dr. D. N. Gaonkar
  • Dr. Sanjeev Nayak “Grid Integrated operation of hybrid fuel Cell and microturbine based distributed generation System” 2015, Research supervisor: Dr. D. N. Gaonkar .
  • Dr (Ms). Jayalakshmi N. S. “Modeling and performance analysis of microgrid with wind and Photovoltaic based distributed generation systems” 2015, Research supervisor:Dr. D. N. Gaonkar
  • Dr. Santosha Kumar A.  “Modeling and performance analysis of microgrid with fuel cell and wind based distributed generation systems” 2016, Research Supervisor Dr. D. N. Gaonkar
  • Dr. Ragavendra P     “Voltage Regulation in Smart Grids with Distributed Generation Systems" 2018, Research supervisor: Dr. D. N. Gaonkar.
  • Dr. Chethan Raj D “Operation and Control of an AC and DC Microgrid with Distributed generation systems” 2020, Research supervisor: Dr. D. N. Gaonkar
  • Dr. M Santosh Kumar Goud  “Islanding Detection Using Computational Intelligence Techniques in a Smart Distribution Network” 2020, Research supervisor: Dr. D. N. Gaonkar
  • Dr. Shreeram V KulKarni  “Control and Operation of Multiple Distributed Generation Sources in Microgrid” November 2021. Research supervisor: Dr. D. N. Gaonkar
  • Dr. Swati Tangi  "Voltage Control in Smart Distribution Networks with Distributed Energy Resources" July 2023, Research Supervisor Dr. D. N. Gaonkar 
  • Dr. Rashmi "Performance Analysis and Control of HVDC Links In Multi-Machine Systems with Wind Farms" February 2024, Research Supervisor Dr. D. N. Gaonkar

 
Submitted 1: On-going :03
Significant Publications

 A.  Patent  

  1. Patent has been granted for the invention titled: "A Method For Islanding Detection Based On Image Classification With Ensemble Convolution Neural Networks", by the Indian Patent Office, Patent No. 388339, Date 2nd February 2022, Investigators: Santhosh K G Manikonda and Dattatraya N Gaonkar.
  2. Patent has been granted  for the invention titled “ Non-isolated Multi-Port Interleaved Bipolar Bidirectional Converter for EV Charging in Bipolar DC Grid “by the Indian Patent Office, Patent No. 509391 , Date 10th February 2024, Investigators:Nisha K S, Dattatraya Narayan Gaonkar, Jayalakshmi N.S.
  3. Patent has been granted  for the invention titled “ “System and Method for Forecasting Photo Voltaic Power Generation”, by the Indian Patent Office, Patent No. 529429 , Date 21st March 2024, Investigators: Dattatraya Narayan Gaonkar, Yashwant Kashyap, Roystan Vijay Castelino, Anil Kumar.
  4. Subhradip Mondal, Pritam Kumar Gayen, Dattatraya Narayan Gaonkar “Method for Detecting Hybrid Islanding Based on Lissajous Patterns for Microgrids” filed, patent application no. 202241018909 date 30/3/2022.
  5. Biji Varghese K.V. Dattatraya Narayan Gaonkar “Method and System for Energy Trading in Networked Microgrids Using Matching Theory, filed, patent application no. 202241027416, Date 12-05-2022

B. Books

  1. Book Titled “Distributed Generation,” Edited by Dr. D.N. Goankar Publishers:  IN-TECH Publication, Kirchengasse 43/3, A-1070 Vienna, Austria, year 2010, ISBN 978-953-307-046-9.

C. Book chapters

  1. Dattaraya N Gaonkar “Unit 5: Solar Photovoltaic System” course material for School of Engineering & Technology of Indira Gandhi National Open University (IGNOU) -New Delhi under “M.Sc. in Renewable Energy and Environment programme”.January 2023, ISBN: 978-93-5568-712-8 . 
  2. Dattaraya N Gaonkar “Unit 6: Solar Photovoltaic (Pv) System Design And Installation” course material for School of Engineering & Technology of Indira Gandhi National Open University (IGNOU) -New Delhi under “M.Sc. in Renewable Energy and Environment programme”. January 2023, ISBN: 978-93-5568-712-8.
  3. D. N. Gaonkar, “Performance of Microturbine Generation System in Grid Connected and Islanding Modes of Operation,”  In Book Distributed Generation, Publishers: IN-TECH Publication, Kirchengasse 43/3, A-1070 Vienna, Austria (Www.intechweb.org).
  4. Kulkarni S.V., Gatade S., Samanvita N. and D. N. Gaonkar, "Comprehensive Strategy for Power Quality Improvement of Inverter Based Distributed Generation Systems" In: Shetty N.R., Patnaik L.M., Nagaraj H.C., Hamsavath P.N., Nalini N. (eds) Emerging Research in Computing, Information, Communication and Applications. Lecture Notes in Electrical Engineering, vol 790. Springer, Singapore. Year 2022, DOI: 10.1007/978-981-16-1342-5_14.
  5. Swathi Tangi and D. N. Gaonkar “Optimal Phasor Measurement Units Placement in Radial Distribution Networks Using Integer Linear Programming “In Book Computer Networks and Inventive Communication Technologies, Pages 1021-1031, Publisher Springer, Singapore, Year 2021.

D. International Journals:

  1. S.Tangi, D. N. Gaonkar, RSS Nuvvula, PP Kumar, I Colak, AF Tazay "Smart distribution network voltage estimation using PMU technology considering zero injection constraints"  PLoS ONE, Volume 19,Issue 3 Page 2024 https://doi.org/10.1371/journal.pone.0293616.
  2. Mahmmadsufiyan Shaik, Dattatraya N. Gaonkar, Ramakrishna S.S. Nuvvula, S.M. Muyeen, Sk. A. Shezan, G.M. Shafiullah, “Nataf-KernelDensity-Spline-based point estimate method for handling wind power correlation in probabilistic load flow,”Expert Systems with Applications,Volume 245, 2024,123059,https://doi.org/10.1016/j.eswa.2023.123059.
  3. Ramesh, D., Anbalagan, K. & Dattatraya N. Gaonkar A novel reduced-cross-tied configuration for extracting maximum power output from a symmetrical PV array under partial shading conditions. Electr Eng (2023). https://doi.org/10.1007/s00202-023-02047-3.
  4. Shreeram V. Kulkarni, Dattatraya N. Gaonkar, “An investigation of PLL synchronization techniques for distributed generation sources in the grid-connected mode of operation”,Electric Power Systems Research,Volume 223, 2023,109535,https://doi.org/10.1016/j.epsr.2023.109535.
  5. Shreeram V. Kulkarni, Vasudha Hegde & Dattatraya N. Gaonkar (2023) A Novel Islanding Detection Technique Based on Piezoelectric Sensors for Grid-Integrated DG Systems, IETE Journal of Research, 69:9, 6340-6355, DOI: 10.1080/03772063.2021.1999336.
  6. Rashmi, Dattatraya N. Gaonkar. A Novel Simplified Modeling Approach for VSC-HVDC Links in Performance Analysis of Multi-Machine Systems. Arab J Sci Eng (2023). https://doi.org/10.1007/s13369-023-08250-5.
  7. Rashmi & Dattatraya N. Gaonkar (2023) A Novel Approach for Steady State Calculations of VSC-HVDC Connected PMSG Based Offshore Wind Farms Integrated into Multi-Machine Systems, Electric Power Components and Systems, 51:10, 961-971, DOI: 10.1080/15325008.2023.2187095.
  8. Jayalakshmi N.S., Vinay Kumar Jadoun, D.N. Gaonkar, Ashish Shrivastava, Neeraj Kanwar, Nandini K.K., Optimal operation of multi-source electric vehicle connected microgrid using metaheuristic algorithm, Journal of Energy Storage, Vol. 52, Part C, 2022, 105067, https://doi.org/10.1016/j.est.2022.105067.
  9. S. Mondal, P. K. Gayen and D. N. Gaonkar, "Battery Storage-Based Novel Hybrid Islanding Detection Technique Using Lissajous Pattern Estimation," in IEEE Transactions on Instrumentation and Measurement, vol. 71, pp. 1-11, 2022, Art no. 9003711, doi: 10.1109/TIM.2022.3169527.
  10. Nisha K. S. and Dattatraya N. Gaonkar,” Model Predictive Controlled Three Level Bidirectional Converter with Voltage Balancing Capability for Setting up EV Fast Charging Stations in Bipolar DC Microgrid,” Electrical Engineering, (Accepted), 2022.
  11. Shreeram V Kulkarni and Dattatraya N. Gaonkar, “Improved droop control strategy for parallel connected power electronic converter based distributed generation sources in an islanded microgrid,” Electric Power Systems Research, Vol. 201, Pages 107531, December 2021,  DOI: 10.1016/j.epsr.2021.107531.
  12. Shreeram V Kulkarni, Dattatraya N. Gaonkar and Josep M. Guerrero, “Operation of the microgrid with improved droop control strategy and an effective islanding detection technique for automatic mode switching” Electric Power Components and Systems, Pages 1-15, October 2021.  DOI:10.1080/15325008.2021.1970289
  13. Swathi Tangi and D. N. Gaonkar, “Voltage Estimation of Active Distribution Network Using PMU Technology,” IEEE Access, Vol. 9, Pages 100436-100446. DOI: 10.1109/ACCESS.2021.3097001
  14. Bhargavi K. M., Jayalakshmi N. S., D. N. Gaonkar, Ashish Shrivastava and Vinay Kumar Jadoun, “A comprehensive review on control techniques for power management of isolated DC microgrid system operation”, IEEE Access, Vol. 9,Pages 32196-32228, February 2021, DOI: 10.1109/ACCESS.2021.3060504.
  15. Pramod Bhat Nempu, Jayalakshmi Narayana Sabhahit, Dattatraya Narayan Gaonkar and Vidya Sudarshan Rao, “Novel Power Smoothing Technique for a Hybrid AC-DC Microgrid Operating with Multiple Alternative Energy Sources ,“Advances in Electrical and Computer Engineering, Vol. 21, Issue 2, Pages 99-106, May 2021, DOI: 10.4316/AECE.2021.02011.
  16. Santhosh Manikonda and D. N. Gaonkar, “An islanding detection method based on image classification technique using histogram of oriented gradient features”, IET Generation, Transmission & Distribution ,Vol.14, No.14, pp 2790-2799, 2021, DOI:  10.1049/iet-gtd.2019.1824.
  17. Shreeram V Kulkarni and Dattatraya N. Gaonkar ,"HIL Implementation of an Islanding Detection and an Automatic Mode Switching for Droop Based Microgrid,” International Journal of Power Electronics, Vol. 15, No. 1, Pages 37-54, December 2021.
  18. Santhosh Manikonda and D. N. Gaonkar, “IDM based on image classification with CNN,” IET The Journal of Engineering, Issue 10, pp. 7256-7262, 2019. DOI:  10.1049/joe.2019.0025.
  19. Manikonda, Santhosh K.G., Dattatraya Narayan Gaonkar, 'Comprehensive review of IDMs in DG systems," IET Smart Grid, Vol 2, No.1, pp. 11-24, 2018.DOI:  10.1049/iet-stg.2018.0096.
  20. N. S. Jayalakshmi, D. N. Gaonkar and Sanchit Kumar Jain, “Power smoothing method of PMSG based grid integrated wind energy conversion system using BESS/DSTATCOM” International Journal of Power Electronics and Drive Systems, Vol. 10 , No. 4, PP. 1969-1976, 2019, DOI: 10.11591/ijpeds. v10.i4.
  21. Chethan Raj D, Dattatraya N. Gaonkar and Josep M Guerrero “Power sharing control strategy of parallel inverters in AC microgrid using improved reverse droop control,” International Journal of Power Electronics Vol.11, No.1, pp.116 – 137, 2020. DOI: 10.1504/IJPELEC.2020.103953.
  22. Raghavendra P and Dattatraya N Gaonkar, “Coordinated Volt/Var Control: Online Voltage-Profile Estimation in Smart Distribution Networks," IEEE Industry Applications Magazine, Vol. 24, No.2, PP 14–22, 2018. DOI: 10.1109 / MIAS. 2017. 2740474.
  23. Chethan Raj D, D. N. Gaonkar and Josep M Guerrero, "Improved Pf/QV and PV/Qf droop controllers for parallel distributed generation inverters in AC microgrid" Sustainable Cities and Society, Vol. 41, PP 421-442, 2018. DOI: 10.1016 / j.scs. 2018.04.026.
  24. N. S. Jayalakshmi, D. N. Gaonkar and A. Naik, "Design and Analysis of Dual Output Flyback Converter for Standalone PV/Battery System, " International Journal of Renewable Energy Research (IJRER) , Vol. 7, No. 3, Pages 1032-1040, 2017.
  25. Jayalakshmi N. Sabhahit, Dattatraya N. Gaonkar, and Pramod B. Nempu "Integrated Power Flow and Voltage Regulation of Stand-Alone PV–Fuel Cell System with Supercapacitors" International Journal of Power and Energy Systems, Vol .37, No. 1, 2017. DOI:10.2316/JOURNAL.203.2017.1.203-6251.
  26. N. S. Jayalakshmi, D. N. Gaonkar Anandh N and Nimika S,"Design and implementation of single-phase inverter based on cuk converter for PV system," International Journal of Renewable Energy Research (IJRER), Vol. 7 No. 2, Pages 585-591,2017.
  27. Chethan Raj D. and D.N. Gaonkar “Multiple Inverters Operated in Parallel for Proportional Load Sharing in Microgrid” International Journal of Power Electronics and Drive Systems (IJPEDS), Vol. 8 , No. 2, 2017. DOI: 10.11591/ijpeds. v8. i2. pp 654-666.
  28. N. S. Jayalakshmi and D. N. Gaonkar, “A new control method to mitigate power fluctuations for grid integrated PV/wind hybrid power system using ultra capacitors ," International Journal of Emerging Electric Power Systems, Vol. 17, No. 4, pp 451-461, 2016, DOI:10.1515/ijeeps-2015-0183.
  29. Geethi Krishnan and Dattatraya N. Gaonkar, “An adaptive reactive power perturbation-based hybrid islanding detection method for distributed generation systems" International Journal of Power and Energy Systems, Vol. 36, No. 1, 2016 , DOI:10.2316/Journal.203.2016.1.203-6189.
  30. Santhosha Kumar Ayyappa and Dattatraya Narayan Gaonkar, “Performance analysis of a variable-speed wind and fuel cell-based hybrid distributed generation system in grid-connected mode of operation", Electric Power Components and Systems, Vol. 44, No. 2, pp 142- 151, 2016, DOI:10.1080/15325008.2015.1102988.
  31. N. S. Jayalakshmi, D. N. Gaonkar and P. B. Nempu, “Power control of PV/fuel cell/super capacitor hybrid system for stand-alone applications,” International Journal of Renewable Energy Research (IJRER), Vol. 6, No. 2, pp 672-679, 2016.
  32. Raghavendra P. and D. N. Gaonkar, “Online voltage estimation and control for smart distribution networks,” Journal of Modern Power Systems and Clean Energy, Vol. 4, No. 1, pp. 40-46, January 2016,OI:10.1007/s40565-016-0187-6.
  33. V. V. Ramana, D. Jena and D. N. Gaonkar, “An accurate modeling of different types of photovoltaic modules using experimental data,” International Journal of Renewable Energy Research (IJRER) ,Vol. 6, No. 3, pp 970-974, 2016.
  34.  N. S Jayalakshmi and D. N. Gaonkar, "Operation of Grid Integrated Wind/PV Hybrid System with Grid Perturbations," International Journal of Renewable Energy Research (IJRER), Vol. 5, No. 4, pp 1106-1111, 2015.
  35. Jayalakshmi N. S. and D. N. Gaonkar, "An integrated Control Approach and Power Management of Stand-alone Hybrid Wind/PV/Battery Power Generation System with Maximum Power Extraction Capability", Journal of Distributed Generation & Alternative Energy, Vol. 30, No. 4, pp 15-36, 2015, DOI:10.1080/21563306.2017.11869107.
  36. Jayalakshmi N. S. and D. N. Gaonkar, “Modeling and Performance Analysis of Grid Integrated Hybrid Wind and PV Based DG System with MPPT Controllers" International Journal of Distributed Energy Resources and Smart Grids, Vol. 10, No. 2, pp 115-131, 2014.
  37. N. S. Jayalakshmi, D. N. Gaonkar, A. Balan, P. Patil and S. A. Raza, "Dynamic Modeling and Performance Study of a Stand-alone Photovoltaic System with Battery Supplying Dynamic Load”, International Journal of Renewable Energy Research (IJRER), Vol.4 No. 3, pp 635-640, 2014.
  38. N. S. Jayalakshmi and D. N. Gaonkar, "Maximum Power Point Tracking for Grid Integrated Variable Speed Wind based DG System with Dynamic Load, ”International Journal of Renewable Energy Research (IJRER), Vol.4 No.2, pp 464-470, 2014.
  39. N.S. Jayalakshmi and D. N. Gaonkar, "Dynamic Modeling and Performance Study of DC Microgrid in Grid Connected and Isolated Mode of Operation with Maximum Power Extraction Capability", International Journal of Distributed Energy Resources and Smart Grids, Vol. 10, No. 4, pp 281-299, 2014.
  40. Sanjeev K Nayak and D N Gaonkar, “Performance study of Distributed Generation System in Grid Connected and Isolated Modes”, Journal of Distributed Generation and Alternative Energy, Vol. 29, No.1, pp. 61-80, 2014, DOI: 10.1080 / 21563306 . 2014.10781516.
  41. Jayalakshmi N. S. and D. N. Gaonkar, “Modeling and control strategy for grid integrated distributed generation systems with maximum power extraction capabilty”, International Journal of Engineering, Science and Technology, Vol. 6, No. 2, pp. 101-110, 2014. DOI:10.4314/ijest.v6i2.8.
  42. Sanjeev K.  Nayak and Dattatraya N Gaonkar, “Modeling and performance analysis of microturbine generation system in grid connected/islanding operation" , International Journal of Renewable Energy Research(IJRER), Vol. 2, No. 4, pp 750-757, 2012, DOI:10.1109/PEDES.2012.6484265.
  43. Sanjeev K. Nayak and D. N. Gaonkar, “Modeling and performance analysis of microturbine generation system in grid connected and islanding modes of operation” , International Journal of Distributed Energy Resource, Vol. 8, No, 4, pp.265-283, 2012.
  44. Sanjeev K Nayak and D N Gaonkar, “Performance of fuzzy logic based microturbine generation system in connected to the grid and islanding mode of operation”, International Journal of Fuzzy Logic Systems, Vol.2, No.3, pp.41-50, 2012. DOI : 10.5121/ijfls.2012.2304.
  45. R. Shivarudraswamy and D. N. Gaonkar, “Coordinated voltage regulation of distribution network with distributed generators and multiple voltage control devices” , Electric Power Systems and Components, Vol.40, No. 9, pp 1072-1088, 2012 . DOI: 10.1080/15325008.2012.675410.
  46. R. Shivarudraswamy and D. N. Gaonkar, “Coordinated voltage control with reactive power of the distributed generators using genetic algorithm”, International Journal of Scientific & Engineering Research. Vol.6 No. 3, pp.1-7, 2012.
  47. R. Shivarudraswamy and D. N. Gaonkar, “Voltage control in the distribution system using reactive power participation factor of distributed generators”, International journal of Distributed Energy Resources, Vol. 7, No. 3, pp 217-228, 2011.
  48. R. Shivarudraswamy and D. N. Gaonkar, “Coordinated voltage control using multiple regulators in distribution system with distributed generators”, International Journal of Electrical, Computer, Energetic, Electronic and Communication Engineering , Vol:5, No:2 pp.193-197, 2011.
  49. B.K. Singh, D. N. Gaonkar, R. S. Aithal and Govinda Sharma, “Modeling and performance analysis of solid oxide fuel cell based distributed generation system”, International Energy Journal Vol. 12, No.2, pp 123-134, 2011.
  50. D. N. Gaonkar and G. N. Pillai, "Operation and Control of Multiple Distributed Generation Systems in the Microgrid”, International Journal of Energy Technology and Policy, Vol. 7, No. 4, pp. 325 - 341, 2011. DOI:10.1504/IJETP.2011.039217
  51. D. N. Gaonkar, “Investigation on the electromagnetic transients of distributed generation systems in the microgrid”, Electric Power Systems and Components, Vol. 38, No. 13, pp 1486-1497, 2010, DOI: 10.1080/15325008.2010.482090
  52. B.K. Singh, D. N. Gaonkar and R. S. Aithal, “Development of Solid oxide Fuel Cell Model”, International Journal of Applied Engineering Research, Vol. 4, No.8, , pp. 1543-1556 , 2009.
  53. D. N. Gaonkar G. N. Pillai and R. N. Patel, “Seamless Transfer of Microturbine Generation System Operation Between Grid Connected and Islanding Modes”, Electric Power Systems and Components. Vol. 37, No.2, pp.174-188, December 2008, DOI: 10.1080/15325000802388815.
  54. D. N. Gaonkar G. N. Pillai and R. N. Patel, “Dynamic performance of microturbine generation system connected to grid”, Electric Power Systems and Components. Vol. 36, No. 10, pp. 1031-1047, 2008. DOI:10.1080/15325000802046587
  55. D. N. Gaonkar and R. N. Patel, “Grid interconnection of microturbine generation system”, International Journal of Energy Technology and Policy, Vol. 5, No.5 pp. 619 – 632, 2007. DOI:10.1504/IJETP.2007.015515.
  56. D. N. Gaonkar, R. N. Patel and G. N. Pillai, “The steady state voltage rise and its control in distribution system with distributed generation”, International Energy Journal ,Vol. 8, No.3, pp 223-234, September 2007.  

E. IEEE/IEE/Other International and National Conferences:

  1. Vinod S. Patil and Dattatraya N. Gaonkar “Dual Output Converter for EV Charging in a Bipolar DC Microgrid” International conference on Advancements in Smart Sustainable Energy Source Technologies and Systems (ASSETS- 2024), 11th -12th March 2024, organized by Department of Electrical & Electronics Engineering, NITK Surathkal, Mangalore, Karnataka, India

  2. Biji Varghese K V and Dattatraya N Gaonkar, “A Novel Method for Energy Trading in Networked Microgrids Using Matching Theory”19th IEEE India Council International Conference (INDICON 2022),IEEE 24th - 26th November, Kochi, Kerala, India.
  3. Rashmi and D. N. Gaonkar, “Modelling and Performance Analysis of Synchronous and Asynchronous Links Integrated into Multi-Machine Systems” 19th IEEE India Council International Conference (INDICON 2022), 24th - 26th November, Kochi, Kerala, India.
  4. Rashmi and D. N. Gaonkar, “Effect of Primary VSC-HVDC Controls on the Performance of Ancillary Frequency Control Strategies” 7th IEEE International Conference on Recent Advances and Innovations (ICRAEI) in Engineering 2022, 1-3 December 2022, NITK Surathkal, Mangalore, Karnataka, India

  5. Shaik Mahmmadsufiyan and Dattatraya N. Gaonkar, “Probabilistic Optimal Power Flow in The Presence of Uncertainties Related with Load Wind and PV Considering Different Load Models” IEEE International conference on Power Electronics, Smart Grid and Renewable Energy (PESGRE 2022) Trivandrum, Kerala, India, 2nd-5th January 2022.

  6. Shaik Mahmmadsufiyan and Dattatraya N. Gaonkar, “The probabilistic reactive power reserve assessment in the presence of load and wind uncertainties considering correlation,” 2nd IEEE International Conference on Smart Technologies for Power, Energy and Control (STPEC 2021), Chouksey Engineering College (CEC), Bilaspur, Chhattisgarh, India, 19th to 22ndDecember 2021.

  7. Biji Varghese K.V and D.N. Gaonkar,” Matching Theory for Optimal Power Exchange in Distribution Networks”, IBSSC-2021 IEEE Bombay Section signature Conference Hybrid Event, November 18-20, 2021.

  8. Ganesh Kudva, Kumar Shivam, Smita Prabhat, NS Jayalakshmi, D. N Gaonkar, Vinay Kumar Jadoun “Fuzzy logic based Inverter controller for stand-alone operation of PV/Battery system," 2021 IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT), Bangalore India July 2021, pages 1-6.

  9. Swathi Tangi, Dattatraya N Gaonkar, Singuluri Bhargav “Voltage Regulation of Smart Distribution Network using Sensitivity Analysis based DG placement” 2021 IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT), Bangalore India July 2021, pages 1-6,

  10. Swathi, T., & Gaonkar, D. N. (2020). “Optimal Phasor measurement units Placement in Radial Distribution Networks Using Integer Linear Programming”. 3rd International Conference on Computer Networks and Inventive Communication Technologies (ICCNCT-2020), held at RVS Technical Campus, Coimbatore, India on 23rd -24th July 2020.
  11. Shreeram V Kulkarni, and Dattatraya N Gaonkar “Investigation of PLLs for Distributed Generation Systems in the Grid-connected Mode of Operation” IEEE International Conference on Emerging Trends in Engineering Science and Technology (ICETEST 2020), 17th to 19th December, 2020, Government Engineering College, Thrissur, India.
  12. Shreeram V Kulkarni, Shruti Gatade, N Samanvita, and Dattatraya N Gaonkar” Comprehensive Strategy for Power Quality Improvement of Inverter Based Distributed Generation Systems.” Sixth International Conference on ’Emerging Research in Computing, Information, Communication and Application’ (ERCICA2020), 25th to 26 September, 2020, NMIT, Bengaluru, India.
  13. Nisha K. S.,Dattatraya N. Gaonkar, "Discrete Modelling and Predictive Control of Three Level Bidirectional Buck/Boost Converter for Bipolar DC Microgrid Applications", 16th IEEE India Council International Conference (INDICON), Rajkot Gujarat , India, 13th to 15th  December 2019.
  14. Nisha K. S.,Dattatraya N. Gaonkar "Predictive Control of Three Level Bidirectional Converter in Bipolar DC Microgrid for EV Charging Stations"  2020 IEEE International conference on Power Electronics, Smart Grid and Renewable Energy (PESGRE 2020),  Cochin, Kerala, India from 2-4 January 2020.
  15. Santhosh K G Manikonda, Joe Santhosh, Sanjayan Pradeep Kumar Sreekala, Siddharth Gangwani and Dattatraya N Gaonkar, "“Power Quality Event Classification Using Long Short-Term Memory Networks”, 3rd IEEE International Conference on Distributed Computing, VLSI, Electrical Circuits and Robotics (2019 DISCOVER), August 11 - 12, 2019, Manipal Institute of Technology, Manipal, India.  
  16. Santhosh K G Manikonda, Joe Santhosh, Sanjayan Pradeep Kumar Sreekala, Siddharth Gangwani and Dattatraya N Gaonkar, "Power Quality Event Classification Using Convolutional Neural Networks on Images”, 1st IEEE International Conference on Energy, Systems and Information Processing (ICESIP 2019) July 04 - 06, 2019, IIITDM Kancheepuram, Chennai - 600127, India, ,
  17. Santhosh K G Manikonda, Joe Santhosh, Sanjayan Pradeep Kumar Sreekala, Siddharth Gangwani and Dattatraya N Gaonkar, "Power Quality Event Classification Using Transfer Learning on Images", 2019 IEEE International Conference on Intelligent Techniques in Control, Optimization and Signal Processing, April 11th to 13th 2019.Kalasalingam Academy of Research and Education, Srivilliputtur,Tamilnadu, India,
  18. Santhosh K G Manikonda, Dattatraya N Gaonkar, 'A New Islanding Detection Method Using Transfer Learning Technique', 8th IEEE International Conference on Power Electronics (IICPE-2018), 13-15 December,2018, MNIT Jaipur, Rajasthan, India
  19. Santhosh K G Manikonda, Dattatraya N Gaonkar, 'A Novel Islanding Detection Method Based on Transfer Learning Technique Using VGG16 Network', IEEE International Conference on Sustainable Energy Technologies and Systems (ICSETS),26 Feb - 1 Mar 2019, Bhubaneshwar, Odisha, India
  20. Santhosh K G Manikonda, D N Gaonkar "Influence of various load types on voltage at PCC and islanding detection in a microgrid", IEEE International Conference on Innovative Technologies in Engineering 2018 (ICITE OU), 11-13 April 2018, Osmania University, Hyderabad, Telangana, India.
  21. Shreeram V Kulkarni, and Dattatraya N Gaonkar "Performance study of microgrid with multiple distributed generation systems" IEEE Workshop on Electronics Power Transmission and Distribution (eT&D-2017),7-9th November 2017, Aalborg, Denmark.
  22. Shreeram V Kulkarni, and Dattatraya N Gaonkar “Operation and Control of a Microgrid in Isolated mode with Multiple Distributed Generation Systems" IEEE International (Biennial) Conference on Technological Advancements in Power and Energy, 21st to 23 December, 2017, Amrita Vishwa Vidyapeetham, Kollam, Kerala, India.
  23. Santhosha Kumar A and D. N. Gaonkar, "Performance of wind system with battery-UC in grid connected mode", 7th IEEE Power India International Conference (PIICON), Bikaner, Rajastan, India, 25-27th November, 2016.
  24. Raghavendra P. and D. N. Gaonkar, "Online Volt/Var Control in a Smart Grid with Multiple Distributed Generation Systems", 7th IEEE Power India International Conference (PIICON), Bikaner, Rajastan, India, 25-27th November, 2016.
  25. N. S. Jayalakshmi, D. N. Gaonkar, S. Adarsh and S Sunil A, “Control Strategy for Power Management in a PV-Battery Hybrid System with MPPT”, International Conference on Power Electronics, Intelligent Control and Energy Systems, DTU, New Delhi, India, July 2016.
  26. R Shivarudraswamy, DN Gaonkar, NS Jayalakshmi” GA based optimal location and size of the distributed generators in distribution system for different load conditions,” IEEE International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), DTU, New Delhi, India, July 2016.
  27. Shah Palash Manish Bhai and Dattatraya N. Gaonkar, "Design of binary search ADC using N comparators", IEEE First International Conference on Control, Measurement and Instrumentation (CMI), Kolkata, India, pp. 499-502, 2016.
  28. Chethan Raj D. and D. N. Gaonkar, "Frequency and Voltage Droop Control of Parallel Inverters in Microgrid”, 2nd International Conference on Control Instrumentation, Energy &Communication (CIEC), University of Kolkata, India, pp. 407-411, 28-30 Jan, 2016.
  29. P. Raghavendra and D. N. Gaonkar, “Voltage estimation in smart distribution networks with multiple DG systems", 12th Annual IEEE India Conference (INDICON), pp.1-6, New Delhi, India, 2015.
  30. N. S Jayalakshmi, D. N. Gaonkar, V. Kumar and R. P. Karthik, "Battery-ultracapacitor storage devices to mitigate power fluctuations for grid connected PV system " , 12th Annual IEEE India Conference (INDICON), New Delhi, pp. 1-6 ,  2015.
  31. D. N. Gaonkar, N. S. Jayalakshmi and P. Raghvendra, "Performance study of roof top wind solar microgrid system in isolated mode of operation", IEEE Power Electronics, Drives and Energy Systems (PEDES), IIT Bombay, India, 16-19th December, 2014.
  32. Sanjeev K. Nayak and D N Gaonkar, "Power Management of hybrid fuel cell and microturbine based distributed generation in grid connected mode of operation" , IEEE International Conference On Renewable Energy Research And Applications (ICRERA-2014), Milwaukee, USA. 2014.
  33. D. Chethan Raj and D.N. Gaonkar "Coordination control of microgrid", 9th Int. Conference on Industrial and Information Systems (ICIIS), Gwalior, India 2014.
  34. S. K. Nayak and D. N. Gaonkar, "Performance of microturbine generation system in grid perturbation condition”, IEEE Innovative Smart Grid Technologies - Asia (ISGT Asia), pp. 1 - 6, Bangalore, India, 2013.
  35. S. K. Nayak and D. N. Gaonkar, "Fuel cell-based hybrid distributed generation systems, “a review” 8th IEEE International Conference on lndustrial and Information Systems (ICIIS), Srilanka, pp. 525 - 530, 2013.
  36. Geethi Krishnan and D.N. Gaonkar, " Performance Evaluation of a New Hybrid Islanding Detection Method for a Wind Based DG", IEEE Conf. on Clean Energy and Technology (CEAT), pp. 411-415, Langkawi, Malaysia, 18-20th November 2013.
  37. Geethi Krishnan and D. N. Gaonkar, " Control of Grid Connected and Islanding Operations of Distributed Generation Systems with Seamless Transfer Between Modes”, IEEE Multi-Conference on Systems and control (MSC), pp. 509-514, Hyderabad, India. 28th-30th August, 2013.
  38. Sanjeev K. Nayak and D. N. Gaonkar " Modelling and Performance Analysis of Fuel Cell and Microturbine Based Hybrid Distributed Generation System "A Review”, IEEE International Conference ICPEC, pp. 760-766, Dindigul, Tamil Nadu, India, 2013.
  39. R. Shivarudraswamy and D. N. Gaonkar,” Coordinated voltage control in 3 phase unbalanced distribution system with multiple regulators using genetic algorithm”, In Proc of 2nd International Conference on Advances in Energy Engineering, Bangkok, Thailand, 27-28 December, 2011. (Published in Energy Procedia, Elsevier, Vol. 14 pp.1199-1206, 2012).
  40. Sanjeev K Nayak and D. N. Gaonkar, “Fuzzy Logic Controlled Microturbine Generation System for Distributed Generation”, In Proc of 2nd International Conference on Advances in Energy Engineering, Bangkok, Thailand, 27-28 December, 2011. (Published in Energy Procedia, Elsevier, pp.1199-1206, Vol. 14, 2012).
  41. Sanjeev K Nayak and D. N. Gaonkar, “Thermal and Electrical Model of Fuel Cell in Connected to grid/isolated Mode”, 5th IEEE Power India Conference (PICONF), Murthal, Haryana, India, 19-22 December, 2012.
  42. A. Santhosha Kumar and D. N. Gaonkar, “Performance Analysis of Variable Speed Wind Energy Conversion System in Grid Connected Mode”, 5th IEEE Power India Conference (PICONF), Murthal, Haryana, India, 19-22 December, 2012.
  43. N. S. Jayalakshmi and D. N. Gaonkar, “Dynamic Modeling and Performance Analysis of Grid Connected PMSG based Variable Speed Wind Turbines with Simple Power Conditioning System”, IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) CPRI, Bangalore, India, 16-19, December, 2012.
  44. Geethi Krishnan and D.N. Gaonkar, " Intentional islanding of distributed generation system with a load shedding algorithm", IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) CPRI, Bangalore, India, 16-19, December, 2012.
  45. Sanjeev K Nayak and D N Gaonkar “Modeling and performance analysis of microturbine generation system in grid connected/islanding mode of operation”, IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) CPRI, Bangalore, India, 16-19, December, 2012.
  46. Jayalakshmi N.S. and D. N. Gaonkar, “Dynamic modeling and control of grid integrated wind generation system using pmsg with mppt algorithm”, IEEE-PES Fifteenth International Middle East Power Systems Conference (MEPCON’12) Alexandria, Egypt, 23-25 December, 2012.
  47. A. Santhosha Kumar and D. N. Gaonkar, “Modeling and simulation study of fuel cell and wind energy-based hybrid distributed generation system”, Proc. IEEE-PES Fifteenth International Middle East Power Systems Conference (MEPCON’12) Alexandria, Egypt, 23-25 December, 2012.
  48. Jayalaksmi N.S. and D.N. Gaonkar, “Dynamic modeling and analysis of an isolated self excited induction generator driven by a wind turbine,” IEEE PES international conference on power signals control and computations (EPSICON-2012), Thrissur, Kerala, India, 3-6th January, 2012.
  49. Jayalaksmi N.S. and D.N. Gaonkar,” Performance study of isolated hybrid power system with multiple generation and energy storage units”, IEEE international conference on power and energy systems (ICPS-2011), IIT Chennai, India Dec 23-24, 2011.
  50. Sanjeev Nayak and D. N. Gaonkar, “Combined model of fuel cell and microturbine based distributed generation system”, IEEE PES conference on Innovative Smart Grid Technologies-Middle East (ISGT Middle East), Jeddah, Saudi–Arabia, 17-20 December 2011.
  51. Santhosha Kumar A and D. N. Gaonkar,” Performance study of Grid connected fuel cell based distributed generation system with ultra capacitor” IEEE PES conference on Innovative Smart Grid Technologies-Middle East (ISGT Middle East), Jeddah, Saudi–Arabia, 17-20 December, 2011.
  52. D. N. Gaonkar and Sanjeev Nayak, “Modeling and Performance Analysis of Microturbine Based Distributed Generation System, “A review”, In Proc IEEE conference on Energy Tech, Case Western University, Cleveland, USA, 25th to 26th May 2011.
  53. D. N. Gaonkar and G. N. Pillai, “Fuzzy Logic Based Coordinated Voltage Regulation Method for Distribution System with Multiple Synchronous Generators”, In Proc IEEE Joint International Conference on Power Electronics, Drives and Energy Systems (PEDES) Power India, New Delhi India, 20-23rd December,2010.
  54. Birendra Kumar Singh,D. N. Gaonkar and  R. S. Aithal,  “Solid oxide Fuel Cell based distributed generation : A Comprehensive Review” , 1ST International Conference on Advances in Energy Conversion Technologies, MIT Manipal, India, Jan 7 - 10, 2010.
  55. R.  shivarudra Swamy and D.N. Gaonkar, “Steady state voltage control using distributed generation allocation in radial network”, 1st International Conference on Advances in Energy Conversion Technologies, MIT Manipal, India, Jan 7 - 10, 2010.
  56. D. N. Gaonkar and R. N. Patel and G. N. Pillai, “Dynamic model of microturbine generation system for grid connected/islanding operation”, in Proc. IEEE International Conference on Industrial Technology (ICIT), Mumbai, India, 15-17th December, 2006.
  57. D. N. Gaonkar and R. N. Patel, “Modeling and simulation of microturbine based distributed generation system,” in Proc. IEEE Power India Conference, New Delhi, India, 10-12 April, 2006.
  58. D. N. Gaonkar, P. C. Rao and R. N. Patel, “Hybrid method for voltage regulation of distribution system with maximum utilization of connected distributed generation source,” in Proc. IEEE Power India Conference, New Delhi, India, April 2006.
  59. D. N. Gaonkar and R. N.Patel, “A new chaos based model of an arc furnace for power quality studies”, in proc. of the International Conference on Computer Applications in Electrical Engineering Recent Advances (CERA 05), IIT-Roorkee, India, pp. 21-25, Sept. 2005.
  60. R. N. Patel, N. Ravi and D. N. Gaonkar, “Utility solutions to power quality problems”,in Proc. IEE International Conference on Energy, Information Technology and Power Sector, PEITSICON-’05, Kolkata, India, pp. 541-546, Jan. 2005.
  61. K. P. Vittal, D. N. Gaonakar and D. B. Fakruddin, “Development of Wavelet Transform Based Numeric Relay for Differential Protection of Power Transformer”, in proc. IEEE TENCON 2003. Conference on Convergent Technologies for Asia-Pacific Region Vol. 4, pp.1580 – 1584, Oct. 2003.
  62. D. N. Gaonkar, L. Shenoy and V. V. Thomas, “Use of wavelet transform and neural network for differentiating transient phenomenon in power transformer,” in Proc. of International Conferences on Emerging Technologies (ICET-2003), KIIT, Bubaneshwar, Orissa, India 19-21 December 2003.
  63. Birendra Kumar Singh, D.N.Gaonkar and R. S. Aithal,’ “Isolated mode operation of solid oxide fuel cell based distributed generation system with fuzzy logic controller",  In Proc 34th National System Conference (NSC-2010),NITK Surathkal, Karnataka, India, December 10th -12th ,2010.
  64. R. Shivarudra Swamy and D.N. Gaonkar, " Coordinated voltage control in distributed system with distributed generators", In Proc 34th National System Conference (NSC-2010), NITK Surathkal, Karnataka, India, December 10th -12th ,2010.
  65. Sanjeev K Nayak and D. N. Gaonkar, “Fuzzy logic controlled microturbine for distributed generation systems application’ In Proc 34th National System Conference (NSC-2010), NITK Surathkal, Karnataka, India, December 10th -12th ,2010.
  66. D. N. Gaonkar, R. N. Patel and G. N. Pillai, “New islanding detection and re-closure technique for converter interfaced distributed generation systems” in Proc. 14 National Power System Conference (NPSC-006), IIT Roorkee, India, 27-29, December 2006.
  67. D. N. Gaonkar and K. P. Vittal, “MATLAB based package for transient behavioral study of power transformer,” in Proc. National Conference on Recent Trends in Power Management Jamia Milia Islamia, New Delhi, 16-17, August 2003.
  68. Rajarathinamala. P and D. N. Gaonkar, "Control strategy of converters in distributed generation systems: review" 7th National Conference on Advances in Energy Conversion Technologies (AECT- 2015), MIT, Manipal, Karnataka, India, January 23 – 24, 2015.
  69. Sikha V.S and D. N. Gaonkar "Droop control strategies in microgrid -a review", 7th National Conference on Advances in Energy Conversion Technologies (AECT- 2015), MIT, Manipal, Karnataka, India, January 23 – 24, 2015.
  70. Nandhakumar .M and D. N. Gaonkar “Development of system identification tool-application", 7th National Conference on Advances in Energy Conversion Technologies (AECT- 2015), MIT, Manipal, Karnataka, India, January 23 – 24, 2015.
  71. Raghavendra P, Gaonkar, D. N., Shivarudraswamy, R. (2016). “Estimation and control of voltage profile in smart distribution network.”  8th National Conference on Advances in Energy Conversion Technologies (AECT 2016), MIT Manipal, India.

 

 

 

 

 

 

Achievements
  • Member of the selection committee for selecting the candidates for Summer Research Fellowship Program (SRFP-2022)) and Focus Area Science Technology Summer Fellowship (FAST-SF-2022)). This program is Jointly sponsored and supported by Indian Academy of Sciences (IAS), Bengaluru, INSA- New Delhi and NASI Prayagraj.
  • Member of the Board of Studies (BOS), and Member of School Board in School of Engineering, Central University of Karnataka (CUK) Kalaburagi, Karnataka, India (2020 onwards for 3 years)
  • Best Paper award for the paper titled "Power Quality Event Classification Using Long Short-Term Memory Networks “at IEEE DISCOVER 2019 Conference held at Manipal Institute of Technology, Manipal from 11-12 August 2019. A certificate of merit along with a cash prize of Rs. 3000/- is awarded. Authors Santhosh K G Manikonda, Joe Santhosh, Sanjayan Pradeep Kumar Sreekala, Siddharth Gangwani and Dattatraya N Gaonkar
  • Member of the task force committee on distribution and distributed generation, Under National Perspective Plan (NPP) of Ministry of Power Government of India.
  • Best Paper for the oral presentation on “Long Term Dynamic Model of Microturbine Generation System in Grid/Isolated Mode” At 4th World Conference on Applied Sciences, Engineering and Technology (WCSET-2015) at Graduate School of Science and Technology, Kumamoto University, Japan during 24-26 October 2015. (Authors: Sanjeev Nayak and D. N. Gaonkar)
  • POSOCO power System Award for the year 2015 for the M-Tech Thesis "Intentional islanding operation of distributed generation systems (student Ms. Geethi Krishnan (M-Tech (by research) Guide: Dr. D. N. Gaonkar)
  • Regular reviewer of research papers in IEEE Transactions, IET Journals, Journal of power components and systems (Taylor and Francis USA) and many other international journals, books and conferences.
  • Executive committee Member of IEEE PES Bangalore section for the year 2014 and 2015
  • Chaired the Technical session in International Conference on Power and Advanced Control Engineering (ICPACE) organized by B.N. M Institute of Technology Bangalore and IEEE Bangalore section on 12 - 14 Aug, 2015.
  • Chaired the Technical session in International Conference on Emerging Trends in Engineering (ICETE-2016) organized by department of electronics and communication Engineering, NMAM Institute of Technology, NITTE, Mangalore on 12-13 May,2016.
  • Chaired the Technical session in 2013 IEEE Conf. on Clean Energy and Technology, 18-20th, November 2013, Langkawi, Malaysia.
  • Chaired the Technical session in International Conference on Advances in Energy Conversion Technologies, MIT Manipal, India, 23-25th January, 2014
  • Chaired technical session in, 1ST International Conference on Advances in Energy Conversion Technologies, MIT Manipal, India, 7 – 10 January, 2010.
  • Member of the Board of Studies (BOS),BVB College of Engineering and Technology Hubballi.

Research Interaction Visits:

  • Visited Energy Management and Microgrid Laboratory at National University of Singapore (NUS), Singapore for research interaction from 02 to 9th March, 2015.

  • Visited Energy Reliability & Security (ERISE) Laboratory at Michigan State University (MSU) U.S.A. for research interaction from September 29 to October 10, 2014.

  • Visited, the Center for Future Energy Systems (CFES) at Rensselaer Polytechnic Institute (RPI), Troy New York for research interaction from December 5th to 16, 2011

  • Visiting scholar at the University of Saskatchewan Canada in the Department of Electrical and Computer Engineering from November 14, 2008 to December 10, 2008.

Remarks

Detailed CV: 

https://drive.google.com/file/d/1vrjgGOErSoInRsVpj59f5DwH7nsugz9O/view?usp=shari...