Dr. Selvajyothi K

Assistant Professor

E-mail: ksjyothi@iiitdm.ac.in | Ph: +91-44-27476348 | Room No: 108H


IIT Madras


Ph.D. in Electrical Engineering

2005 - 2009

Sathyabama Institute of Science and Technology


M.E. in Power Electronics and Industrial Drives

2002 - 2004

University of Kerala


B.Tech. in Electrical and Electronics Engineering

1991 - 1995


  1. Electrical Engineering

  2. Power Electronics and Control

Research Interests

  1. Power Electronics

  2. Harmonics Distortion

  3. PLL/FLL

  4. Grid connected Inverters

  5. Power Quality

  6. Electric Vehicles

  7. Medical Instrumentation

  8. FPGA/DSP Realization of Control Algorithms in Power Electronics

  9. Instrumentation

  10. Product Design

Honours + Awards + Recognitions

  1. Research fellowship in the University of Padova, Italy in 2009

  2. Best paper award in Technical session 1.1 of CIEC 2016

Work Experience


  1. 20 Years


  1. 11 Years

Professional Membership

  1. ISTE (Indian Society for Technical Education) Life Member

  2. IIIS (International Institute of Informatics and Systemics) Member (098151)

  3. Member in IEEE

  4. Member in SAEINDIA (7140411539)

  5. Member in ESSI

Professional Service

  1. UG admission coordinator (2009-2011)

  2. Warden, Girls' hostel from 2010 - 2013

  3. Placement coordinator 2012-2014

  4. PG Admission i/c

  5. Ph D Admission i/c

  6. Invited Lectures Prof i/c

  7. Co Chair/ School of Computer Science and Electrical Engineering June 2017- Jan 2018

  8. HOD/ Department of Electronics and Communication Engineering Jan 2018 - June 2019

  9. Member in Disciplinary Committee (2017-2019)


  1. Basic Electrical and Electronics Engineering

  2. Electrical Drives

  3. Instrumentation

  4. Electronic Instrumentation

  5. Control Systems

  6. PCB/Prototype Design and Development

  7. Signals and Systems

  8. Signals, Systems and Communication


  1. 1. M. Satish Kumar Reddy, K. Selvajyothi, 'Optimal Utilization of Radial Distribution System for Electric Vehicle Transportation Infrastructure', Chapter. 10 in the book "Green Engineering and Technology: Innovations, Design and Architectural Implementation", CRC Press, Taylor and Francis.

  2. 2. R. Chandrasekar, M. Satish Kumar Reddy, Raja. B and K. Selvajyothi, Recent advances in fast charging methods for Electric Vehicles, Power Electronics for Green Energy Conversion, Chapter 20, Wiley Publications. (in press)

  3. 3. K. Akhila, K. Selvajyothi, Design of Rare earth magnet free traction motor for electric vehicle for the book Power Converters, Drives, and Control for Sustainable Applications, Wiley Publications. (press)

  4. 4. R. Chandrasekaran, M. Satishkumar Reddy, B. Raja and K. Selvajyothi, Design of Bidirectional DC ??? DC Converters and Controllers for Electric Vehicles or the book Power Converters, Drives, and Control for Sustainable Applications, Wiley Publications. (press)

Journal Publications

  1. 1. Duraisamy, T., Kamakshy, S., Sholampettai Subramanian, K., Barik, R., & Cheng, Q. (2022). Design and implementation of compact tri- and quad-band SIW power divider using modified circular

  2. complementary split-ring resonators. International Journal of Microwave and Wireless

  3. Technologies, 1-9. doi:10.1017/S1759078721001720

  4. 2. D. Tharani, K. Selvajyothi, S. S. Karthikeyan. Highly Miniaturized Dual-band Power Divider based on

  5. HMSIW for 5G/ WLAN Applications. IETE Journal of Research, Vol. 30, Dec. 2021.

  6. 3. M. Satish Kumar Reddy, K. Selvajyothi, ‘Investment Analysis of DGs for Optimal Placement of Electric Vehicle Charging Station on Unbalanced Radial Distribution System with Reconfiguration’ Electrical Engineering, Springer, Nov. 2021.

  7. 4. T. Duraisamy, S. Kamakshy, S. S. Karthikeyan, R. K. Barik, Q. S. Cheng ," Compact Wideband SIW Based Bandpass Filter for X, Ku and K Band Applications", Radio Engineering, vol. 30, No. 2, June 2021, 288-295.

  8. 5. D. Tharani, R.K. Barik, Q. S.Cheng, K. Selvajyothi and S. S. Karthikeyan, “Compact dual-band SIW

  9. filters loaded with double ring D-shaped resonators for sub-6 GHz applications", Int. Journal of

  10. Electromag. Waves and app., vol. 35, no. 7, pp 923-936, Jan. 2021.

  11. 6. M. Satish Kumar Reddy, K. Selvajyothi, ‘Optimal Planning and Utilization of Existing Infrastructure with Electric Vehicle Charging Stations’, IET Generation, Transmission and Distribution, Dec. 2020, IF – 4.1

  12. 7. Tharani Duraisamy , Rusan Kumar Barik , Qingsha S. Cheng , Selvajyothi Kamakshy & Karthikeyan Sholampettai Subramanian (2020): Miniaturized SIW filter using D shaped resonators with wide out-of-band rejection for 5G applications, Journal of Electromagnetic Waves and Applications, DOI: 10.1080/09205071.2020.1816219

  13. 8. Moupuri Satish Kumar, Kamakshy Selvajyothi, "Optimal placement of electric vehicle charging station for unbalanced radial distribution systems", Journal Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, Feb 2020, https://doi.org/10.1080/15567036.2020.1731017.

  14. 9. George V. Alexander, M.S. Indu, Selvajyothi Kamakshy, Ramaswamy Murugan, “Development of stable and conductive interface between garnet structured solid electrolyte and lithium metal anode for high performance solid-state battery”, Electrochimica Acta, Volume 332, 2020, 135511, ISSN 0013-4686, https://doi.org/10.1016/j.electacta.2019.135511.

  15. 10. Duraisamy, T, Barik, RK, Sholampettai Subramanian, K, Kamakshi, S, “A novel SIW based dual‐band power divider using double‐circular complementary split ring resonators”, Microw Opt Technol Lett. 2019; 61: 1529– 1533.

  16. 11. K. Arun, K. Selvajyothi, "Variable Sampling Composite Observer Based Frequency Locked Loop and its Application in Grid Connected System," Advances in Electrical and Computer Engineering, vol.16, no.2, pp.33-42, 2016, doi:10.4316/AECE.2016.02005.

  17. 12. K. Arun, K. Selvajyothi, Cascaded Delayed Signal Cancellation Based Variable Sampling SRF PLL, The Mediterranean Journal of Measurement and Control, Vol. 12, No. 1, pp. 511-520, January 2016, ISSN: 1743-9310.

  18. 13 K Arun, K Selvajyothi, Single Phase Variable Sampling Phase Locked Loop using Composite Observer, Indonesian Journal of Electrical Engineering and Computer Science, vol.2, no.1, April 2016.

  19. 14. K. Arun, and K. Selvajyothi “Observer Based Current Controlled Single Phase Grid Connected Inverter”, Procedia Engineering, Elsevier, Vol.64, 367–376, 2013.

  20. 15. K. Selvajyothi, P. A. Janakiraman, "Reduction of Voltage Harmonics in Single Phase Inverters Using Composite Observers", in IEEE Transaction on Power Delivery, 25, 1045 – 1057, 2010.

  21. 16. K. Selvajyothi, P. A. Janakiraman, "FPGA-based software implementation of series harmonic compensation for single phase inverters”, in VLSI Design - Special issue on selected papers from the Midwest symposium on circuits and systems, 1-14, 2010.

  22. 17. K.Selvajyothi, P.A.Janakiraman "Extraction of Harmonics Using Composite Observers", in IEEE Transactions on Power Delivery, 23, 31-40, 2008.

Conference Publications

  1. 1. Akhila K., K. Selvajyothi, ”Performance Comparison of Synchronous Reluctance Motor

  2. and Interior Permanent Magnet Synchronous Motor for Traction Application”, OPTIM-

  3. ACEMP, Sep. 2021.

  4. 2. Akhila K., K. Selvajyothi, ”Torque Ripple Minimization in Synchronous Reluctance Mo-

  5. tor by Magnetic Circuit Adjustment”, ICEMS, Oct. 2021.

  6. 3. M.Satish Kumar Reddy, K.Selvajyothi, ‘Minimization of Electric Vehicle charging Stations influence on Unbalanced radial distribution system with Optimal Reconfiguration using Particle Swarm Optimization’, Proc. of IEEE Conference on Sustainable Energy and Future Electric Transportation, SEFET, GRIET, Jan 2021.

  7. 4. Arthi, Christopher. S and K. Selvajyothi, "Performance Enhanced 6-bit Phase Shifter in 65-nm CMOS Technology ", Asia-Pacific Microwave Conference (APMC 2020), 8-11 December, 2020.

  8. 5. M.Satish Kumar Reddy, K.Selvajyothi, ‘Mitigation on the Impact of Electric Vehicle Charging Stations in the Radial Distribution System’, Proc. Of IEEE conference on Information and Communication Technology, CICT, IIITDM Kancheepuram, Dec 2020.

  9. 6. Satish M, Manasa T, Selvajyothi K and Raja B, "Estimation of State of Charge and Terminal voltage of Li-ion Battery using Extended Kalman Filter", in the proceedings of 6th IEEE International Energy Conference (ENERGYCON), 28th September to 1st October 2020, Tunisia.

  10. 7. Tharani D, Rusan Kumar Barik, Qingsha S. Cheng, Selvajyothi K and Karthikeyan S S, ”A compact wideband SIW power divider with CSRR and slots for Ku and K band applications,” International Microwave and RF Conference (IMaRC), IIT Bombay, Dec. 13-15, 2019.

  11. 8. Arthi. R, Arun. K, Selvajyothi. K, "An Observer based FLL to Estimate the Grid Parameters of Three Phase Systems", IEEE CICT, Allahabad, Dec 6-8, 2019.

  12. 9. Moupuri Satish Kumar, K. Selvajyothi, "Optimal Placement of Electric Vehicle Charging Stations in Radial Distribution System along with Reconfiguration", IEEE ICESIP, Chennai, July 4-6, 2019.

  13. 10. Pooja Mahesh, K Selvajyothi, "Impersonation Detection in Online Examinations" in the proceedings of IEEE SPICES, Aug 8-10, Kollam, India, 2017.

  14. 11. Ramkumar Y and Selvajyothi K, “Transformer Monitoring System Using IOT”, in the Proceedings of International Conference on Design And Manufacturing IConDM, India, 16-17 Dec. 2016.

  15. 12. Tekumatla Shivakumar, Manne Sai Sravan and K. Selvajyothi, "Python Based 3-Axis CNC Plotter," in the Proceedings of 6th IEEE International Conference on Power and Energy (PECON 2016), Melaka, Malaysia, 28-29 Nov. 2016.

  16. 13. Ankith Vinayachandran, K Selvajyothi, "Modeling and Simulation of a Novel Three-Phase Observer Based on Recurrence Formula", in the Proceedings of Second International IEEE Conference on Control, Instrumentation, Energy and Communication, 28-30 Jan. 2016, Kolkata, India.

  17. 14. K. Arun, and K. Selvajyothi, "Control of Grid-Connected Single Phase Inverter Using Composite Observer", in the Proceedings of IEEE International Conference on Control Communication and Computing (ICCC), Thiruvananthapuram, Dec. 2013.

  18. 15. Sriram, M.; Sarma, Swagat; Selvajyothi, K. "Feedback System for Electric Trimmer, in the Proceedings of 3rd International Multiconference on Complexity, Informatics and Cybernetics (IMCIC 2012), March 25 - 28, 2012, Pages: 233 - 236, Orlando, Florida, USA, , 2012.

  19. 16. Manasa Gangothri Tirunagari, Sumitha P K, Srinivasa Moorthy S A, Dr. Selvajyothi K , Dr. Noor Mahammad S K "Design of Compact Controller and Power Module for Corrosion and Marine Growth Prevention ", in the Proceedings of 7th International Conference on Industrial and Information Systems, ICIIS 2012, August 6-8, , IIT Madras, Chennai, India, 2012.

  20. 17. K.Selvajyothi, P.A.Janakiraman "Implementation of a Control Strategy for Elimination of Voltage Harmonics in Inverters", in the Proceedings of IEEE International 51st Midwest Symposium on Circuits and Systems, USA, 2008.

  21. 18. Dipanwita Gangopadhyay, K.Selvajyothi, P.A.Janakiraman "Modeling of a 3-Phase Current Controlled Inverter With Observer-Feedback and Decoupling", in the Proceedings of International Conference Modeling and Simulation, India, 2007.

  22. 19. K.Selvajyothi, P.A.Janakiraman "Analysis and Simulation of Single-Phase Composite Observer for Harmonics Extraction", in the Proceedings of IEEE conference PEDES, India, 2006.

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