A Karthikeyan

Designation: 

Assistant Professor

Date of Joining at NITK: 

Wednesday, June 26, 2013

Professional Experience: 

13 years and NITK 9 years

Contact Details

E-mail: 

jakarthik@nitk.edu.in

Alternate E-mail: 

jakarthik@yahoo.com

Telephone: 

+91-824-2473467

Mobile: 

+91-8867236461

Google Scholar: 

https://scholar.google.com/citations?user=_T4ON50AAAAJ&hl=en&oi=ao
Faculty (author) Identifiers

ORCID iD: 

0000-0001-7923-5731

Scopus Author ID: 

57204321620
Academic Background
  • Ph.D. National Institute of Technology,  Tiruchirappalli& 2013
  • M.S  National Institute of Technology,  Tiruchirappalli& 2008
  • B.Tech: Bharathidasan University & 2002
Areas of Interest
  • Power electronics applications in renewable energy systems
  • Power electronics and drives
  • Power conditioning
Significant Projects
 1. Title of the project: Design and Development of Multi Input/Multi Output Power Converter
    Funding Agency: Indian Space Research Organization (ISRO-RACS)
    Amount of Grant: Rs. 26,13,920
    Period & Status: March2022 – March2024, Ongoing
    Investigators: A. Karthikeyan (PI)
 
2. Title of the project: Laboratory scale demonstration of Kite based wind power system
    Funding Agency: Science and Engineering Research Board-Core Research Grant (SERB-CRG)
    Amount of Grant: Rs. 51,05,100
    Period & Status: Feb2022 – Feb2025, Ongoing
    Investigators: A. Karthikeyan (PI), Yashwant Kashyap (Co-PI), Manjunatha Sharma K (Co-PI), Debabrata Karmakar (Co-PI)
 
3. 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 of Science and Technology (VGST-RGS/F)
    Amount of Grant: Rs. 2,79,750
    Period & Status: Jan2022 – Jan2023, Ongoing
    Investigators: A. Karthikeyan (PI), Dattatraya Narayan Gaonkar (Co-PI)
 
4. Title of the project: Standalone Evaporative Air cooler – Pump flow and fan speed controller using solar energy.
    Funding Agency: Department of Science & Technology (DST)
    Amount of Grant: Rs. 38,69,800
    Period & Status: May 2017- December 2019 & Completed
    Investigators: B. Venkatesa Perumal-(PI), A. Karthikeyan (Co-PI), M. Arun (Co-PI)
 
5. Title of the project: Control strategies for dynamic voltage restorer under unbalanced and disturbed grid conditions.
    Funding Agency: Science and Engineering Research Board (SERB)
    Amount of Grant: Rs. 23,21,000
    Period & Status: September 2014 - September 2017 & Completed
    Investigators: A. Karthikeyan (PI)
Supervision of Ph.D

  • Degrees awarded : 02

  • Dr. K. K. Prabhakaran, “Investigations on sensor/sensorless control of PMSM drive for grid connected and standalone applications”, 2019, Research Supervisor Dr. A. Karthikeyan.

  • Dr. D. G. Abhilash Krishna, “Investigations of control strategies for multimode operation of series interfacing converter”, 2022, Research Supervisor Dr. A. Karthikeyan.

Ongoing : 04

Significant Publications
Patents:
  1. Dr.A.Karthikeyan, Dr.Venkatesaperumal B, Mr. D.G. Abhilash Krishna, Mr. K. K. Prabhakaran, “A dynamic voltage restoration system for weak ac grids and a method thereof”, filed, patent application no: 201741009197 date 16/03/2017
  2. Dr. A.Karthikeyan, Mr.K. K. Prabhakaran, Dr.Venkatesaperumal B, “Method and Device for Sensorless PMSM drive”, filed, patent application no: 201741000335, 04/01/2017
  3. Dr.Venkatesaperumal B, Dr. Karthikeyan A, Mr. M. Arjun, Mr. Vanjari Venkata Ramana, “Solar water pumping system in grid tie or off-grid mode with net zero energy from grid”, filed, patent application no:201641035575, 18/10/2016.
  4. Dr.Venkatesaperumal B, Dr. Karthikeyan A, Dr. Parthiban P , “ A Solar Water Pumping System”, filed, patent application no: 6034/CHE/2015,07/11/2015.
Book chapters:
  1. One chapter titled “Sensor-Less Estimation of Rotor Position in a Doubly Fed Induction Machine” in Handbook of Distributed Generation has recently been published in electronic and print format by Springer (April 2017) by G. Saravana Ilango, C. Nagamani, M.A. Asha Rani, M. Jaya Bharata Reddy and A. Karthikeyan
Journals:
  1. D. G. A. Krishna, Karthikeyan Anbalagan, K. K. Prabhakaran and S. Kumar, "An Efficient Pseudo-Derivative-Feedback-Based Voltage Controller for DVR Under Distorted Grid Conditions," in IEEE Journal of Emerging and Selected Topics in Industrial Electronics, vol. 2, no. 1, pp. 71-81, Jan. 2021.
  2. K. K. Prabhakaran ; A. Karthikeyan. “Electromagnetic Torque-Based Model Reference Adaptive System Speed Estimator for Sensorless Surface Mount Permanent Magnet Synchronous Motor Drive”, IEEE Transactions on Industrial Electronics,67(7). pp 5936 – 5947, 2020 https://doi.org/10.1109/TIE.2018.2829678
  3. A. Karthikeyan& K. K. Prabhakaran, F. Blaabjerg.“Laboratory implementation of electromagnetic torque based MRAS speed estimator for sensorless SMPMSM drive”Electronics Letters 55(21) 17 th Oct, 2019 pp.  1145 - 1147 https://doi.org/10.1049/el.2019.2229.
  4. K. K. Prabhakaran, A. Karthikeyan, S. Varsha, B. V. Perumal and S. Mishra, “Standalone Single Stage PV- Fed Reduced Switch Inverter Based PMSM for Water Pumping Application”, IEEE Transactions on Industry Applications PISSN: 00939994, Vol 56, 2019, 6526-6535, 10.1109/TIA.2020.3023870. 
  5. Karthikeyan, Abhilash Krishna D.G, Sushant Kumar, Venkatesa Perumal B, S. Mishra  “Dual Role CDSC - Based Dual Vector Control for Effective Operation of DVR With Harmonic Mitigation” IEEE Transactions on  Industrial Electronics., vol: 66, no. 01, pp. 4-13 
  6. Karthikeyan, Prabhakaran K K, C. Nagamani “FPGA based direct torque control with speed loop Pseudo derivative controller for PMSM drive” Cluster Computing, Springer. https://doi.org/10.1007/s10586-018-1988-3
  7. 1. A. Asha Rani, C. Nagamani, G. SaravanaIlango, A. Karthikeyan, “An Effective Reference Generation Scheme for DFIG with Unbalanced Grid Voltage,” IEEE Transactions on Sustainable Energy, Vol. 5, No. 3,  pp. 1010-1018, July 2014
  8. A. Karthikeyan, C. Nagamani and G. SaravanaIlango (2012) A versatile rotor position computation algorithm for the power control of a grid connected Doubly-Fed Induction Generator. IEEE Trans. on Energy Convers.,vol: PP , no. 99, pp. 1-10
  9. A. Karthikeyan, C. Nagamani, AritraBasu Ray Chaudhury and G. SaravanaIlango (2012) An implicit position and speed estimation algorithm without the flux computation for the rotor side control of Doubly-Fed Induction Motor Drive. IET Electric Power Applications, vol. 6, no. 4, pp. 243–252
  10. A. Karthikeyan, C. Nagamani, G. SaravanaIlango, A. Sreenivasulu (2011) Hybrid open-loop excitation system for a  wind turbine-driven stand-alone induction generator. IET Renewable Power Generation, vol. 5, no. 2, pp. 184–19.
  11.  A.Karthikeyanand C. Nagamani, “Decoupled Power Control of Doubly-Fed Induction Generator Based on an Implicit Position and Speed Estimation Algorithm without the Flux Computation”, Wind Engineering, vol. 35, No. 6, pp. 757-776. 2011
  12. G. SaravanaIlango, P. SrinivasaRao, A. Karthikeyan, C. Nagamani, “Single-stage sine-wave inverter for an autonomous operation of solar photovoltaic energy conversion  system,” Renewable Energy, Vol 35, vol 35,pp. 275-282, 2010

Conferences:

  1.  D. G. Abhilash Krishna and A. Karthikeyan, "Design and analysis of frequency adaptive CDSC-PLL for Dynamic Voltage Restorer during adverse grid conditions," 2020 IEEE International Conference on Power Electronics, Smart Grid and Renewable Energy (PESGRE2020), Cochin, India, 2020
  2. A. Karthikeyan, C. V. S. Praneeth and K. K. Prabhakaran, "PV fed Hybrid Power Converter for rural home applications," 2019 10th International Conference on Power Electronics and ECCE Asia (ICPE 2019 - ECCE Asia), Busan, Korea (South), 2019, pp. 1-7.
  3. A. Karthikeyan, Varsha S, Prabhakaran K K, "Hybrid Control of Single-Phase to Three-Phase Reduced Switch Converter for PMSM Drive" Accepted in 15th IEEE India Council International Conference(INDICON 2018)
  4. A. Karthikeyan, Prabhakaran K K,Varsha S, Venkatesa Perumal B, S Mishra, "Single stage PV fed reduced inverter based PMSM for standalone water pumping application" Accepted in 8th IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES 2018),IIT Madras, Chennai, India.
  5. A. Karthikeyan, Abhilash Krishna D.G, Nagamani C, "Virtual Impedance based DFCL for DVR During Downstream Faults " Accepted in 8th IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES 2018), IIT Madras, Chennai, India.
  6. A. Karthikeyan,Prabhakaran K K, C. Abhilash Krishna D.G, Nagamani C, "Standalone single stage PV fed reduced switch inverter based independent control of two PMSM drive" Presented in in 40th IEEE International Telecommunications Energy Conference (INTELEC 2018), Torino,Italy.
  7. A. Karthikeyan, Abhilash Krishna D.G, Suresh kurra, Prabhakaran K K, "Uncertainity and Disturbance Estimator Based Control for Transformerless DVR" Presented in 40th IEEE International Telecommunications Energy Conference (INTELEC 2018), Torino, Italy.
  8. A. Karthikeyan, Prabhakaran K K, C. Nagamani, “Four quadrant operation of direct torque controlled PMSM drive using speed loop PDFF controller” in proc 5th IEEE International conference on Power, Instrumentation, Control and Computing (PICC 2018), Thrissur, Kerala.
  9. A. Karthikeyan, Abhilash Krishna D.G, Sushant Kumar,  C.Nagamani, “Design and Analysis of Mul-Loop Feed Forward Control Schemes for DVR under Distorted Grid Conditions” in proc 14th IEEE India Council International Conference  (INDICON), IIT Roorkee, 2017.
  10. A. Karthikeyan, Prabhakaran K K, C. Nagamani, "Stator fux based MRAS speed and stator resistance estimator for sensorless PMSM drive" in proc 14th IEEE India Council International Conference(INDICON 2017), IIT Roorkee.
  11. A. Karthikeyan, Prabhakaran K K, Venkatesa Perumal B, C.Nagamani“ Pseudo Derivative Feedback currentcontrolled sensorless PMSM drive with Flux-Torque based MRAS estimator for low speed operation" presentedin8thIEEE International Symposium on Sensorless Control for Electrical Drives- Catania, Italy , 2017.
  12. Prabhakaran K K, Karthikeyan A, Venkatesa Perumal B and Nagamani C, “Speed loop pseudo derivative feedback controller based direct torque controlled Permanent Magnet Synchronous Motor drive”, Presented in IEEE 7th Power India International Conference (PIICON 2016), Bikaner, Rajasthan
  13. Sriram Kasyap,M., Karthikeyan, A, Venkatesa perumal, B., Nagamani, C. “DSC filter based Unit Vector Estimator for Reference generation and control of Dynamic Voltage Restorer.” Presented in IEEE 7th Power India International Conference (PIICON 2016), Bikaner, Rajasthan
  14. M.Sriramkasyap, A.Karthikeyan, B.Venkatesa perumal, C.Nagamani,”An Effective Reference Generation and Control of DVR using DSOGI-prefilter based PLL”,  in Proc IEEE International Conference on Circuit, Power and computing Technologies (ICCPCT),India, March 2016.
  15. C. Nagamani, Venkata Rama Raju, NikhileshPrasannakumar, A. Karthikeyan, “A simplified Sensorless Speed Computation Algorithm for Squirrel Cage-Induction Motor “, in Proc IEEE International Conference on Circuit, Power and computing Technologies  (ICCPCT), March 2014
  16. C. Nagamani, M. A. Asha Rani, NikhileshPrasannakumar, A. Karthikeyan, “Reference Current Generation Schemes for DFIG with unbalanced grid voltage”, inProc IEEE International Conference on Electrical Energy (ICEES), Jan 2014.
  17. M. A. Asha Rani, A. Karthikeyan, Student Member, IEEE, C. Nagamani, Member, IEEE, “Decoupled control of Doubly-Fed Induction Generator under unbalanced grid voltage with modified reference generation”, ” in Proc IEEE International Conference on Power, Energy and Control, February 2013 (ICPEC’13), Dindigul
  18. M. Vivek Sundar, P. SaiAravindaKarthik, C. Nagamani and A. Karthikeyan, “Optimal Sizing of Reactive Power Support in a Stand-Alone Hybrid Excited Induction Generator System” in Proc IEEE Fifth POWER INDIA Conference, at Murthal, December 2012
  19. R. Venkata Rama Raju, A. Karthikeyan,C.Nagamani, “Enhanced Decoupled Power control of Wind Turbine driven DFIG using DVR under Unbalanced Grid Voltage”, in Proc IEEE International Conference on” Advances in Power conversion and Energy Technologies, (APCET 2012), August 2nd to 4th, 2012
  20. Nagasekhara Reddy Naguru, A. Karthikeyan, C.Nagamani, V.Sravan Kumar, “Comparative Study of Power Control of DFIG Using PI Control and FeedBack Linearization Control”, Accepted for International Conference on” Advances in Power conversion and Energy Technologies, (APCET 2012), August 2nd to 4th, 2012
  21. A. Karthikeyan,C.Nagamani “ A versatile open loop rotor position computation algorithm for the wound rotor induction machine”, in Proc. 11thIEEE International Conference on Environment and Electrical Engineering EEEIC-2012, 425-428, 2012
  22. G.Girish, C.Nagamani, A. Karthikeyan, “A simple and effective control scheme for improved power quality in a standalone Wound Rotor Induction Generator feeding non-linear and unbalanced loads”, inProc11th IEEE International Conference on Environment and Electrical Engineering EEEIC-2012, 814 - 818, 2012
  23. G.Girish, C.Nagamani, A. Karthikeyan, “A stand-alone Wound Rotor Induction Generator with enhanced power quality based on Feedback Linearization Control”, in Proc.IEEE International Conference on Advances in Engineering, Science and Management (ICAESM), 2012
  24. A. Karthikeyan, Nagasekhara Reddy Naguru. C. Nagamani “Laboratory implementation of Feedback Linearization Control Based Power Control of Grid Connected DFIG”, Proc IEEE INDICON Engineering Sustainable Solutions – India, Hyderabad, 1-4, 2011 [Received Best paper award]
  25. A. Karthikeyan,C.Nagamani and AritraBasu Ray Chaudhury “An Implicit Sensorless Position/Speed Estimator for the speed control of a Doubly Fed Induction Motor”, in Proc Innovative Smart Grid Technologies - India (ISGT India), 2011 IEEE PES, 120 – 125, 2011
  26. Karthikeyan, A.; Naguru, N.R.; Nagamani, C.; Ilango, G.S.; ‘Feedback Linearization Control Based Power Control of Grid Connected DFIG with Grid Synchronization’, in Proc. IEEE 10th International Conference on  Environment and Electrical Engineering EEEIC-2011, Rome, May 2011
  27. Karthikeyan, A.; Kummara, S.K.; Nagamani, C.; Ilango, G.S.; ‘Power control of grid connected Doubly Fed Induction Generator using Adaptive Back Stepping approach’, in Proc. IEEE 10th International Conference on Environment and Electrical Engineering EEEIC-2011, Rome, May 2011
  28. Karthikeyan, A.;Nagamani, C.; SaravanaIlango, G.; Jaya Bharata Reddy, M.; A constant frequency Hybrid Exciter for an autonomous wind energy conversion system’ in Proc. IEEE 9th International Conference on Environment and Electrical Engineering EEEIC-2010, Prague, 2010.
  29. Karthikeyan, A.; Nagamani, C.; Srividhya, S.; “Analysis of Boundaries of Controllable Power Flow with UPFC Considering Line Loss”, in Proc. IEEE Conference on Industrial Electronics and Applications [ICIEA 2008], Singapore, June 2008
  30. Srividhya, S.; Nagamani, C.; Karthikeyan, A.; Investigations on Boundaries of Controllable Power Flow with Unified Power Flow Controller” in Proc. IEEE International Conference on Power Electronics, Drives and Energy Systems, PEDES 2006, NewDelhi, Dec. 2006
  31. A.Karthikeyan, D.G.Abhilash Krishna, Tejaswini A,  AeshwryaSweta Panda, Laxmi Prasanna R,“A Comparative Study of PI and PDF Controllers for DVR Under Distorted Grid Conditions”, accepted in20thNational Power Systems Conference (NPSC).
  32. A.Karthikeyan, C.Nagamani, “Laboratory implementation of position/speed sensor-less power control of the grid connected doubly fed induction generator”, in Proc National Conference on “National Economy and Social Transformation through Advances in Electrical Engineering (NESTE AEE 2011)” August 2011.
  33. A.Karthikeyan, C.Nagamani, “ Investigation of sensor-less speed estimation scheme for three phase squirrel cage induction machine under varied supply voltage conditions”, in Proc National Conference on “National Economy and Social Transformation through Advances in Electrical Engineering (NESTE AEE 2011)” August 2011.
  34. A.Karthikeyan, P.V.Subba Reddy, C.Nagamani and G.SaravanaIlango, ‘A Hybrid Excited Induction Generator for Stand-Alone Applications’, in Proc. National conference on Electrical systems and renewable energy, NESR-2011, Trichy, March, 2011
  35. AritraBasu Ray Chaudhury, A.Karthikeyan,C.Nagamani, G.SaravanaIlango “Decoupled Control of Rotor Speed and Stator Reactive Power in a Wound Rotor Induction Motor without Speed or Position Sensor”, in Proc. National conference on control of power electronic drives and systems CPEDS-2010, 2010
  36. AritraBasu Ray Chaudhury, A.Karthikeyan,C.Nagamani, G.SaravanaIlango “An investigation of sensor-less speed estimation scheme for three-phase wound rotor induction machine under varied supply voltage conditions”, in Proc.4th National Conference on Instrumentation and Control Engineering ICECON ’09, NIT, Trichy, 2009
  37. G.SaravanaIlango, C.Nagamani, A.Karthikeyan, “Laboratory Implementation of UPFC for Independent Control of Real and Reactive Power Flows” – in Proc. National Power Electronics Conference NPEC, 2007, IISC Bangalore, 2007 
  38. A.Karthikeyan,G.SaravanaIlango, C.Nagamani , S.Chandramohan “Artificial Neural Network based UPFC for effective power flow control” - in Proc. National Conference on Instrumentation & Control ICECON07,NIT,Trichy,2007.
Achievements
  1. Received Best paper award in IEEE International conference INDICON Engineering Sustainable Solutions – India, Hyderabad, 1-4, 2011 for the paper titled “Laboratory implementation of Feedback Linearization Control Based Power Control of Grid Connected DFIG”.