Gururaj S Punekar

Designation: 

Professor

Date of Joining at NITK: 

Friday, January 9, 1998

Professional Experience: 

33 years (32 years of Teaching 01 year of Industry).

Contact Details

E-mail: 

gsp@nitk.edu.in

Alternate E-mail: 

gsp652000@yahoo.com

Telephone: 

+91-824-2473496, +91-824-2473560
Faculty (author) Identifiers

ORCID iD: 

0000-0002-7893-5864
Academic Background
  • PhD, Indian Institute of Technology (IIT) Kharagpur (2009).
  • MSc (Engg) (PG by research), Indian Institute of Science (IISc) Bangalore, (1991).
  • B.E from Karnataka University Dharwad, Karnataka. (1987).
Areas of Interest
  • High Voltage Engineering.
  • Insulation engineering.
  • Electric field computations.
  • GA applications
  • Indian Knowledge System
Significant Projects
  • Augmentation of High voltage test facility at NITK-EED in 2002-2003 (6 Lakhs).
  • TEQUIP-II sponsored: AEPD data acquisition unit (Acoustic Emission Linear Location Identifier for Partial Discharge Detector).
  • Karnataka State Council for Science and Technology (KSCST) sponsored Undergraduate projects: NINE
Supervision of Ph.D

PhD:                               Guided/Completed 05                 Ongoing 02

M.Tech-Research :        Guided/Completed 03                 Ongoing --

M.Tech-Projects:           Guided/Completed 45                Ongoing 02

Significant Publications

Journal Publications: 28             Conference Publication:74                     Book Chapter: 03

List of Journal Publications:

  1. Shanmukha Reddy Vippala, Gururaj Sudhindra Punekar, Krishnan Chemmangat, Bhavanishanker Tangella, “A search for suitable mother wavelet in discrete wavelet transform based analysis of acoustic emission partial discharge signals”, Serbian Journal of Electrical Engineering, 2024, DOI: https://doi.org/10.2298/SJEE2402163V.

  2. Tesfaye Nafo Tefera, Gururaj S Punekar, Kemal Ibrahim, Milkias Berhanu Tuka, “Cable dimension determination using Finite Element Method Magnetic (FEMM) for three-core belted and gas insulated cables”, e-Prime-Advances in Electrical Engineering, Electronics and Energy, 2024, DOI: https://doi.org/10.1016/j.prime.2024.100826.

  3. T. N. Tefera, G. S. Punekar, K. Ibrahim Yassin and M. Berhanu Tuka, "Comparative Analysis of 500 kV Double-Circuit Transmission Line Electric Field Intensity: Ethiopian Lines Compliance With ICNIRP," in IEEE Access, vol. 12, pp. 76359-76366, 2024, doi: 10.1109/ACCESS.2024.3406902.

  4. Devarajan Harimurugan, Gururaj S Punekar, "GA-CSM based optimized clearances for the reduction of occupational exposure in EHV substation", Electric Power Systems Research, Volume 214, Part A, 2023, 108855, ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2022.108855.

  5. Sudarshan  V J, Punekar G S “Short circuit forces in air insulated substations:   A review of standard design guidelines” IEEMA Journal, Vol 10, Issue No. 4, December 2018, pp 46-56.

  6.  Harimurugan D and G. S. Punekar, "Electric field reduction in an EHV substation for occupational exposure via transposition of conductors," in IEEE Transactions on Power Delivery. IEEE Transactions on Power Delivery (Volume: 33, Issue: 6, Dec. 2018); doi: 10.1109/TPWRD.2018.2860591.

  7. T. B. Shanker, N. Hebbale Narasimhaiah, D. Antony and G. S. Punekar, "Effects of Transformer-oil Temperature on Amplitude and Peak Frequency of Partial Discharge Acoustic Signals," IEEE Transactions on Power Delivery, vol. 33, no. 6, December 2018; doi: 10.1109/TPWRD.2018.2799489.

  8. Antony, D., Punekar, G.S., “Noniterative Method for Combined Acoustic-Electrical Partial Discharge Source Localization”, IEEE Transactions on Power Delivery, Vol 33, Iss.4, pp. 1679-1688, August, 2018. DOI: 10.1109/TPWRD.2017.2769159.

  9. Sudarshan V J, Punekar G S, “Short circuit forces in air insulated substations: A review of standard design guidelines”, IEEMA Journal, Vol 10, Issue No. 4, December 2018, pp 46-56.

  10. Jomo Nkumah Gill, Gururaj Sudhindra Punekar. Implications of the Large-Scale Deployment of Non-linear Loads. Journal of Electrical and Electronic Engineering. Vol. 6, No. 6, 2018, pp. 153-159. doi: 10.11648/j.jeee.20180606.13

  11. Meghana Ramesh, H N Nagamani, Vaidyanathan, G S Punekar, “On inrush current parameters associated with back-to-back switching of capacitors in a bank” Electric Power Components & Systems Journal, Vol.45, No.3, pp.279-287, January 2017. DOI: 10.1080/15325008.2016.1201705.

  12. Antony, D., Punekar, G.S., “Identification of invalid time-delay-groups using discriminant and Jacobian-determinant in acoustic emission PD source localisation”, (2017) IET Science, Measurement and Technology, 11 (3), pp. 315-321. DOI: 10.1049/iet-smt.2016.0362 (SCI Journal).

  13. Harimurgan D, G S Punekar and N K Kishore, “Design of an HV capacitor using the inherent advantage of charge simulation method and experimentations”, IET Science, Measurement & Technology, Vol. 12, Iss. 1, pp. 126 - 131, 2017.doi: 10.1049/iet-smt.2017.0121.

  14. Harimurugan D, Gururaj S Punekar and Srikanth Bhatt, “Electric field computation in 765 kV substation using charge simulation method with reference to occupational exposure", IET Generation, Transmission and Distribution, Vol. 12, Iss. 7, pp. 1680 - 1685, 2017.

  15. Srikanth Bhatt N, Gopi Krishna Menon, Gururaj S Punekar, “On estimation of rate of change of frequency for relay settings during power export to grid from a CPP”, The Journal of  CPRI, Vol. 13 , No. 2, June 2017, pp. 319-326.

  16. Akshata A Kotharkar, Punekar G S, “Grid connection to CPP in a deregulated electricity market: A case study related to fault current levels”, The Journal of CPRI, Vol. 13 , No. 2, June 2017, pp. 277-284.

  17. Tangella Bhavani Shanker, Hebbale Narasimhaiah Nagamani, Gururaj Sudhindra Punekar, “Acoustic Emission Partial Discharge Detection Technique Applied to Fault Diagnosis: Case Studies of Generator Transformers”, Serbian Journal of Electrical Engineering, Vol. 13, No. 2, June 2016, 189-202, UDC: 621.314.224.8:534.87 DOI: 10.2298/SJEE160223004S.

  18. Deepthi Antony, Prasannajit Sahoo, G S Punekar, “On choice of velocity for acoustic-emission linear-source-localization in metallic medium” Journal of CPRI vol. 11, No.4, December 2015, pp. 689-696.

  19. Chandrasekaran Kandasamy, Gururaj S Punekar, “Use of Genetic Algorithm to Determine Lightning Channel-Base Current-Function Parameters” IEEE Trans. Electromagn. Compat., Vol.56, No.1, pp.235-238, Feb 2014. DOI: 10.1109/TEMC.2013.2269734.

  20. Chandrasekaran Kandasamy, Gururaj S Punekar, “Severity of Lightning Return Strokes: Simulation Study and Review Notes, ISSN 0511-5728, The West Indian Journal of Engineering, Vol.36, No.2, January 2014, pp.34-41.

  21. Chandrasekaran K, Gururaj S Punekar, “Computed Lightning Electric Field Ratios of First and Subsequent Return Strokes” The Journal of CPRI, Vol 9. No.1. pp.53-62, March 2013.

  22. Shakthi Prasad D and Gururaj S. Punekar, “Concerning channel base current functions for lightning studies", IEEE Trans. Electromagn. Compat., vol. 54, no. 6, pp.1318-1320, Dec. 2012, DOI: 10.1109/TEMC.2012.2224350.

  23. Gururaj S Punekar, Suhas,_Pratap Singh, N K Kishore, “LEDs : A Study from Illuminance Perspective”, Journal of Electrical Engineering (JEE “Politechnica” Publishing House, University of Timisoara, Romania ISSN1582-4594): Article 12.3.6, Volume 12, Edition : 3, 2012, pp37-42.

  24. Gururaj S Punekar, Chandrasekaran Kandasamy, “Indirect Effects of Lightning Discharges”, Serbian Journal of Electrical Engineering, Vol.8, No.3, November 2011, 245-262.

  25. Gururaj S Punekar, N K Kishore, H S Y Shastry, “Effect of Non Uniformity Factors and Assignment Factors on Errors in Charge Simulation Method with Point Charge Model”, International Journal of Electrical Systems Science and Engineering 1;2 © www.waset.org Spring 2008.

  26. Gururaj S Punekar, N K Kishore, “Evaluating Electrical Characteristics of Commercially Available PVC insulated cables for working Voltages up to and including 1100V”, IEEMA journal September 2007, pp. 89-93.

  27. Gururaj S Punekar, N K Kishore, ”Simulation Study of Borda’s profile and parallel plane electrode to assess electric field uniformity”,  Electromagnetic Compatibility Journal, April-October 2005, Vol.18, No.1-2, pp.1-4, SEMCEI, INDIA.

  28. Gururaj S Punekar, M. S Naidu, “Sparkover characteristics of inhomogeneous field gaps in compressed SF6 under composite stresses” J. Indian Inst. Sci., (IISc thesis abstracts) July-Aug, 1993, Vol. 73, No.4 (1993), pp 414-416.

Conference Publications(2018 to 2024):

  1. Gururaj S Punekarand Priyanaka Halu, “Electrical Load Forecasting Using Rithu’s (ऋतु) of Vedic Calendarfor Power Management”, IKS Conference in Management 2024, held during July 4th- July 6th 2024, hosted by SJMSOM, IIT Bombay. (Bagged Session Best Paper award).

  2. Priyanka Halu, and Gururaj S. Punekar, “Electrical Load Forecasting for a Distribution Company Using Python Libraries”, International Conference on Sustainable Power and Energy Research (ICSPER- 2024) held at NIT Warangal, https://www.icsper.in/about_icsper2025.php#sec

  3. Rohit Jacob Kurian, Shanmukha Reddy Vippala, Gururaj S Punekar and Krishnan Chemmangat, “Particle Swarm Optimization Applied to Acoustic Emission Partial Discharge Source Localization and its Comparison with Non-Iterative Method”, 45th International Conference On Advanced Engineering Optimization Through Intelligent Techniques (AEOTIT), Held at SVNIT Surta, 28-30 November 2024.

  4. D. Bhaumik, A. Sadda and G. S. Punekar, "Vibration Signal Analysis of Induction Motor Bearing Faults: Some Aspects," 2023 International Conference on Smart Systems for applications in Electrical Sciences (ICSSES), Tumakuru, India, 2023, pp. 1-4, doi: 10.1109/ICSSES58299.2023.10200270.

  5. Prabhat K Sonu, Gururaj S Punekar, “Configuring Voltage Impulse Generator using Simplex Search Algorithm”, Paper ID: 201902034, 2019 International Conference on High Voltage Engineering and Technology (ICHVET 2019), 978-1-5386-7577-9/19/$31.00 ©2019 IEEE.

  6. Prabhat K Sonu, Gururaj S Punekar, “Performance of Search Optimization Methods while Configuring a Voltage Impulse Generator”, Paper no E1-7-1, 8th International Engineering Symposium - IES 2019, March 13-15, 2019, Kumamoto University, Japan, Faculty of Engineering (Building No.2) Kumamoto University, Organized by Graduate School of Science & Technology Kumamoto University, Japan in association with National Institute of Technology Karnataka, Surathkal, Mangalore, India.

  7. D. Harimurugan, G. S. Punekar and N. K. Kishore, "Spatiotemporal electric field distribution in an EHV substation in view of occupational exposure," 2019 IEEE International Conference on Distributed Computing, VLSI, Electrical Circuits and Robotics (DISCOVER), 2019, pp. 1-5, doi: 10.1109/DISCOVER47552.2019.9008014.Date:11-12 August 2019.

  8. K. Y. Prasad and G. S. Punekar, "Electric Fields due to A 500 kV Quadruple Circuit Transmission Line: Some Aspects Concerning Public Exposure," 2019 IEEE 4th International Conference on Electrical, Electronics, Communication, Computer Technologies and Optimization Techniques (ICEECCOT), Mysuru, India, 2019, pp. 332-335, doi: 10.1109/ICEECCOT46775.2019.9114550.13-14 December 2019.

  9. A. Kotharkar and G. S. Punekar, "Motor contribution to three phase fault currents in a power intensive industry with CPP: A case study," 2018 IEEE International Conference on Power, Signals, Control and Computation (EPSCICON), Thrissur, 2018, pp. 1-4.

  10. D. Harimurugan and G. S. Punekar, "A comparative study of field computation methods: Charge simulation method and method of moments," 2018 IEEE International Conference on Power, Signals, Control and Computation (EPSCICON), Thrissur, 2018, pp. 1-4.

  11. V. J. Sudarshan and G. S. Punekar, "Forces due to short circuit in a 400 kV outdoor substation: A study," 2018 IEEE International Conference on Power, Signals, Control and Computation (EPSCICON), Thrissur, 2018, pp. 1-5.

  12. Harimurugan D and Gururaj S Punekar,” Computed magnetic fields in an EHV substation located in Central India", 4th National Conference on Power System Engineering, SDM college of Engineering & Technology, Dharward, Karnataka, April 2018.

  13. Harimurugan D, G S Punekar and N K Kishore, “Electric field and exposure time in a EHV substation near a bay-equipment: concerning ICNIRP guidelines", 2018 Joint Electrostatic conference, Boston University, USA, July 2018, p.no M4.

  14. N K Kishore, Harimurugan D and G S Punekar, “Arrangement of conductors in 220 kV double circuit line to reduce E-fields in view of public exposure", 2018 Joint Electrostatic conference, Boston University, USA, July 2018, p.no M3.

  15. Deepthi Antony, Gururaj S Punekar, and N K Kishore, “Improvements in an iterative method for localization of Partial discharge source in oil insulation ", 2018 Joint Electrostatic conference, Boston University, USA, July 2018, p.no I2.

  16. Harimurugan D and G S Punekar, “Electric Stress on the Surface of Conductors in an extra high voltage substation”, 20th National Power Systems Conference 14th to 16th December, 2018 held at NIT, Trichy.” NPSC 2018 (IEEE).

  17. Sudarshan V J and G S Punekar, “Short circuit force in an AIS with special reference to L-L and L-L-L faults”, 20th National Power Systems Conference 14th to 16th December, 2018 held at NIT, Trichy.” NPSC 2018 (IEEE).

  18. Deepthi Antony, A. Aishwarya, and Gururaj S. Punekar, “Acoustic Emission Partial Discharge Source Localization: Number of Sensors versus Accuracy,” International Engineering Symposium - IES Kumamoto University, Japan, March 7-9, 2017, p. K2-2.

Book Chapters:

  1. Springer Publication: Lecture Notes in Electrical Engineering 1438: eBook ISBN: 978-981-96-8070-2 Print ISBN:978-981-96-8069-6 page No 507-518. 2025. Rohit Jacob Kurian, Shanmukh Reddy Vippal, Gururaj S Punekar, Krishnan Chemmangat, “Particle Swarm Optimization Applied to Acoustic Emission Partial Discharge Source Localization and its comparison with non-iterative methods”.

  2. Springer Nature Link: https://link.springer.com/book/981-96-0824-9 Page 155- 164, 2024, Priyanka Halu, Gururaj S. Punekar “Electrical Load Forecasting for a Distribution Company Using Python Libraries”.

  3. Springer publication: Lecture notes in Electrical Engineering 188: ISSN 1876-1199 ISBN 978-81-322-1035-1 Chapter 26 page 301-310, 2013. Gururaj S Punekar, Harimurugan, H Guatham Tantry, “Finite Element Method Magnetics Based Demonstration of Rotating Field in 4-Pole Induction Motor”.

Achievements
  • AWARDS/RECOGNITIONS:
  • Best paper awards at the national conference: 03

  1. Session Best Paper awardat National Conference held at NMAM Institute of Technology, NITTE: 14-15th November 2008

  2. Session Best Paper awardat National Conference on advances in electrical engineering (NCAEE - 2010), December 27-28 2010 held at NMAM Institute of Technology, Nittee.

  3. Session best paper award: Gururaj S Punekar and Priynak Halu, “Electrical Load Forecasting Using Rithu’s (ऋतु) of Vedic Calendar for Power Management”, received the session best paper award at the IKS Conference in Management 2024, held during July 4th- July 6th 2024, hosted by SJMSOM, IIT Bombay.

  • Awards/Recognition to UG Projects Guided
  1. Project of the year award for the UG project guided, by Karnataka State Council for Science and Technology (KSCST): 01
  2. KSCST invite for the state level exhibition of the UG-project: 02

  • Awards/Recognition to PG(M.Tech)Projects Guided

  • POSOCO Power System Award (PPSA)- (National Award) for M.Tech. project with Rs 30000/- cash Prize and citation: 

  1. M.Tech Category: POSOCO Power System Award (PPSA)-2024 to the thesis work of my M.Tech student Ms Ms Priyanka Halu. This thesis is one among Top 10 projects at the National level and she was facilitated @ IIT Indore.

  2. M.Tech Category: POSOCO Power System Award (PPSA)-2017: Mr K Swaroop Kishan Singh who was guided for his M.Tech project got the award . This thesis is one among Top 10 projects at the National level and he was facilitated @ IIT Delhi. 

  3. M.Tech Category: POSOCO Power System Award (PPSA)-2015: Ms Meghana Ramesh who was guided for her M.Tech project with joint guidance from Dr H N Nagamani of CPRI. This is one among Top 25 projects at the National level.

  4. M.Tech Category: POSOCO Power System Award (PPSA)-2014 : Mr Shakthi Prasad D who was guided for his M.Tech by research got the award . This thesis is one among Top 10 projects at the National level and he was facilitated @ IIT Delhi

  • Awards/Recognition to Doctoral Thesis Guided
  •  POSOCO Power System Award (PPSA)- (National Award) for DOCTORAL THESIS with Rs 1 Lakh cash Prize and citation:   
  1. Doctoral Category: POSOCO Power System Award (PPSA)-2020: Dr. Harimurugan Devarajan who was guided for his DOCTORAL research received the award. Top 15 Best Thesis in India in the area of power system are awarded annually by Power System Operation Corporation (wholly owned Government of India Enterprise under the Ministry of Power) with the prize money of 1 lakh (each). The award ceremony function was held at IIT Delhi on 13th March 2020.
  • BEST ANSWER TO THIS QUESTION PUBLISHED IN INDUSTRIAL SAFETY NEWS, BIMONTHLY NEWSLETTER OF NATIONAL SAFETY COUNCIL 

Gururaj S Punekar, “What are the precautions to be taken to protect against lightning?” best answer to this question published in Industrial Safety News, bimonthly newsletter of National Safety Council, vol.44, No1&2, Jan-Feb 2012, pp.19.

  •   RECOGNITION AS GUIDE AND FELLOWSHIP

Recognition as Main Guide to a student at Addis Ababa Science & Technological University, Ethiopia. Appreciation letter for successfully guiding the student Dr Tesfye Nafo Tefare for his doctoral research.

  1. Appreciation letter from Addis Ababa Science & Technological University, Ethiopia
  2. Appreciation letter received from MoE-ICCR GoI. 

 Laboratory courses developed at NITK:

  1. High Voltage laboratory course to the Post Graduate students by setting up 9 experiments. 
  2. Switchgear & Protection laboratory course to the Under Graduate students by setting up 9 experiments.

  • Workshop conducted:

  • A unique 3-day workshop from Alumni Mr Balakrishana Puttur (1982 batch EEE) on VFD-PLC-SCADA was organized (and coordinated) for the students of EEE from  16th to  18th Jan 2026. Mr Balakrishan Puttur deliberated on the topic using the “4 kW motor + Panel” manufactured by him at his organization. As coordinator I wholeheartedly thank him for the initiative and for the generosity of donating this unit to EEE department costing Rs 5 lakhs.

  • CONVENER of IEEE conference ICIIS2010, 29th August to 1st July 2010 organised at NITK.

  • ORGNIZER of two-day workshop: Selected Topics of Research in Electrical Power (STREP-2013) 27th 28th September 2013 at EED-NITK.