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Dr. TEJAVATHU RAMESH

ABOUT
NAME: Dr. TEJAVATHU RAMESH

M.TECH: NIT Rourkela

E- MAIL: tramesh.ee@nitandhra.ac.in

POSITION: Assistant Professor

PhD: NIT Rourkela

PHONE: +91 


AREAS OF INTEREST: Power Electronics and Drives, Electrical machines, Special Machines, Sensorless Drives, Multi-level Inverters, Hybrid Renewable Energy Systems, Electric Vehicles, Artifical Intelligence Application in Power Electronics and Drives.

EXTERNAL LINK: https://scholar.google.co.in/citations?user=RZbMSicAAAAJ&hl=en
PROFILE

Educational Qualifications: 

Qualification

Discipline/Area/ Department

Board/Institution

Year

Ph.D.

Power Electronics and Drives, Department of Electrical Engineering

National Institute of Technology, Rourkela, India

2016

M.Tech.

Power Control and Drives, Department of Electrical Engineering

National Institute of Technology, Rourkela, India

2011

B.Tech.

Electrical and Electronics Engineering

JNT University, Hyderabad

2009

Course Taught:

  1.      Basic Electrical Engineering
  2.      Analog Electronics
  3.      Electronics Devices and Circuits
  4.      Power Electronics
  5.      Advances in Computers

Laboratories Handled:

  1.      Power Electronics Lab-I
  2.      Electrical Machines Lab-I
  3.      Electrical Machines Lab-II
  4.      Electric Drives Lab
  5.      Control Systems
  6.      Analog and Digital Electronics Lab
  7.      Basic Electrical Engineering Lab
  8.      Micro-processor Lab

Workshops/Conferences Organised:

Si. No.

Workshop/Conferences Title

Duration

Institution

1.

One  Week  Short  Term  Training  Program  (STTP) on “Real-Time  Simulation  & Applications in  Power Electronics,  Drives and Renewable  Energy  Systems  (RTSA)”. 

18–23rd December, 2017.

NIT Kurukshetra

 

Workshop/Short-term course/Conferences Attended: 

1.  

Paper presented in IEEE PIICON during 25-27 November, 2016, Organised by the Govt. Engineering College Bikaner, Rajastha, India.

2.

Workshop on control of “Renewable Power System” during 02-06 February, 2016, Organised by the Department of Electrical Engineering, NIT Rourkela.

3.

Short term Course On “Power Electronics Systems and Applications”, during 04-06 April, 2014, Organised by the Department of Electrical Engineering, NIT Rourkela.

4.

Paper presented in IEEE INDICON during 13-15 December, 2013, Organised by the Department of Electrical Engineering, IIT Bombay.

5.

Paper presented in IEEE SCES during 12-14 April, 2013, Organised by Department of Electrical Engineering, NIT Allahabad.

Research Publications

International Journals:

  1. A. K. Panda, Tejavathu Ramesh, and S. Shiva Kumar. “Rotor-Flux based MRAS Speed Estimator for DTFC-SVM of a Speed Sensorless Induction Motor Drive Using Type-1 and Type-2 Fuzzy Logic Controllers Over a Wide-range of Speed Operation” International Transactions on Electrical Energy Systems, vol. 26, no. 9, pp. 1863-1881, September 2016.
  2. A. K. Panda, Sarode Shiva and Tejavathu Ramesh. “A novel active auxiliary circuit for efficiency enhancement integrated with synchronous buck converter” International Journal of Circuit Theory and Applications, Wiley, vol. 44, no. 12, pp. 2043-2057, 2016.
  3. A. K. Panda, Shiva Kumar Sarode, and Tejavathu Ramesh. "Zero voltage transition–zero current transition pulse-width modulated multiphase synchronous buck converter with an active auxiliary circuit for portable applications." IET Power Electronics, Vol. 9, Issue 4, pp. 631– 638, March 2016.
  4. Tejavathu Ramesh, A. K. Panda and S. Shiva Kumar. "Type-2 fuzzy logic control based MRAS speed estimator for speed sensorless direct torque and flux control of an induction motor drive," ISA Transactions, Elsevier, vol. 57, pp. 262–275, April 2015.
  5. Tejavathu Ramesh, A. K. Panda and S. Shiva Kumar. "MRAS Speed Estimator Based on Type-1 and Type-2 Fuzzy Logic Controller for the Speed Sensorless DTFC-SVPWM of an Induction Motor Drive," Journal of Power Electronics, vol.15, no. 3, pp: 730-740, 2015.
  6. Sarode Shiva Kumar, A. K. Panda, and Tejavathu Ramesh. "Reduction of Losses and Efficiency Enhancement of a Zero-voltage Transition–Zero-current Transition Pulse-width Modulated Synchronous Buck Converter with a Simple Passive Auxiliary Circuit." Electric Power Components and Systems, Vol. 43, No.16, pp. 1803-1812, October 2015.
  7. S. Shiva Kumar, A.K. Panda, Tejavathu Ramesh. “A ZVT-ZCT PWM synchronous Buck Converter with a Simple Passive Circuit for Reduction of Losses and Efficiency Enhancement,” Ain Shams Engineering Journal, Elsevier, vol.6, no.2, pp. 491-500, 2015.    
  8. A. K. Panda, Tejavathu Ramesh, and S. Shiva Kumar. "High-performance direct torque and flux control of an induction motor drive using sliding-mode and fuzzy logic speed controllers," International Journal of Power Electronics, vol. 6, no.2, pp: 147-178, 2014.
  9. Tejavathu Ramesh, A. K. Panda, and S. Shiva Kumar. "Fuzzy Logic and Sliding-Mode Speed Control Based Direct Torque and Flux Control Scheme to Improve the Performance of an Induction Motor Drive," International Journal on Electrical Engineering and Informatics, vol. 6, no.1, pp: 155, March 2014.
  10. Tejavathu Ramesh, A. K. Panda, and S. Shiva Kumar. "Type-1 and type-2 fuzzy logic and sliding-Mode based speed control of direct torque and flux control induction motor drives–a comparative study," International Journal of Emerging Electric Power Systems, vol. 14, no. 5, pp: 385-400, August 2013.
  11. Tejavathu Ramesh and A. K. Panda, “High Performance Direct Torque and Flux Control of Induction Motor Drive using Fuzzy Logic based speed Controller,” Intern. Review of Electrical Engineering, vol. 8, Issue 2, pp. 696-710, 2013.

International Conferences:

  1.      Ramakrishna Pothuraju and Tejavathu Ramesh, Solar Power Based Three-Level neutral Clamped Inverter Fed DTFC-SVM of an IM Drive”, in Proc. of IEEE Students Conference on Electrical, Electronics and Computer Science, pp. 1-6, 2018
  2.      Ramakrishna Pothuraju and Tejavathu Ramesh, “Solar Power Based Two Level Inverter Fed DTFC-SVM of a Sensorless IM Drive”, in Proc. of 2nd IEEE International Conference on Trends in electronics and informatics, pp. 1-6, 2018.
  1. Yakala Ravi Kumar and Tejavathu Ramesh, A. Mastanaiah and A. K. Panda, “DTFC-SVM for five-Level cascaded Inverter Fed IM Drive with reduced number of switches” in Proc. of IEEE International Conference on Current Research Topics in Power, Nuclear, fuel and Energy, pp.1-6, 2016.
  2. Ravi Kumar Yakala, Tejavathu Ramesh, Aenugu Mastanaiah, AK Panda, “DTFC-SVM for three-level diode clamped inverter fed IM drive”. in Proc. of IEEE 7th Power India International Conference (PIICON), pp. 1-6, 2016.
  3. Aenugu Mastanaiah, Tejavathu Ramesh, AK Panda, “Parallel MRAS rotor speed and stator resistance estimation for DTFC-SVM of a sensorless IMD”. in Proc. of IEEE International Conference on Microelectronics, Computing and Communications, pp. 1-6, 2016.
  4. Aenugu Mastanaiah and Tejavathu Ramesh. " Rotor-Flux based MRAS Speed Estimator for Direct Torque and Flux Control of an Induction Motor Drive." in Proc. IEEE Students Conference on Engineering and Systems, NIT Allahabad, pp. 1-6, November 2015.  
  5. Amit Kumar and Tejavathu Ramesh. "Direct Field Oriented Control of Induction Motor Drive." in Proc. of IEEE Second International Conference on Advances in Computing and Communication Engineering (ICACCE), pp. 1-6, NIT Meghalaya, pp. 1-6, 2015.
  6. Amit Kumar and Tejavathu Ramesh, “MRAS speed estimator for speed sensorless IFOC of an induction motor drive using fuzzy logic controller”. in Proc. of IEEE International Conference on Energy, Power and Environment: Towards Sustainable Growth, 2015
  7. S. Shiva Kumar, A. K. Panda and Tejavathu Ramesh. “A ZVT-PWM Multiphase Synchronous Buck Converter with an Active Auxiliary Circuit for Portable applications,” in Proc. IEEE India Intern. Conf. on Power Electronics, NIT Kurukshetra, pp: 1-6, Dec. 2014.
  8. V. R. Kolluru, K. Mahapatra, B. Subudhi and Tejavathu Ramesh. “Real time implementation and comparison of PI and modified Inc Cond control algorithms for solar applications” in Proc. IEEE India International Conference on Power Electronics, NIT Kurukshetra, pp: 1-6, Dec. 2014.
  9. Tejavathu Ramesh, A. K. Panda, and S. Shiva Kumar. "Type-1 and Type-2 fuzzy logic speed controller based high performance direct torque and flux controlled induction motor drive," in Proc. Annual IEEE India Conference (Indicon), IIT Bombay, pp. 1-6, Dec. 2013.
  10. Tejavathu Ramesh, A. K. Panda, and S. Shiva Kumar. "Sliding-mode and fuzzy logic control based MRAS speed estimators for sensorless direct torque and flux control of an induction motor drive," in Proc. Annual IEEE India Confe., IIT Bombay, pp. 1-6, Dec. 2013.
  11. S. Shiva Kumar, A. K. Panda and Tejavathu Ramesh. “A simple passive auxiliary circuit for reduction of losses and efficiency enhancement of synchronous buck converter,” in Proc. Annual IEEE India Conference (Indicon), IIT Bombay, pp. 1-5, Dec. 2013.
  12. Tejavathu Ramesh and A. K. Panda. "High performance direct torque and flux control of induction motor drive using fuzzy logic based speed controller," in Proc. IEEE International Conference on Circuits, Power and Computing Technologies, pp: 213-218.
  13. Hrushikesh Meher, A. K. Panda, and Tejavathu Ramesh. "Performance enhancement of the vector control based Permanent Magnet Synchronous Motor drive using hybrid PI-Fuzzy logic controller," in Proc. IEEE Students Conf. on Engineering and Systems, pp: 1-6, 2013.
  14. Tejavathu Ramesh and A. K. Panda. "Artificial intelligence based high performance direct torque and flux control of induction motor drive," in Proc. IEEE International Conference on Circuits, Power and Computing Technologies, pp: 225-230, 2013.
  15. Tejavathu Ramesh, A. K. Panda, and S. Shiva Kumar. “Fuzzy Logic and Sliding-Mode Based Speed Control of Direct Torque and Flux Control Scheme to Improve the Performance of an Induction Motor Drive”, in Proc. 5th International Conference on Computer Applications in Electrical Engg. Recent Advances, IIT Roorkee, pp. 1-6, 2013.

 National Conferences: 

  1. Tejavathu Ramesh and A. K. Panda, “High Performance Direct Torque and Flux Control of Induction Motor Drive using Fuzzy Logic Based Speed Controller,” in proc. National Conf. Power Electronics Systems & Applications (PESA-2013), pp. 67-83, NIT-Rourkela, March 2013.
  2. Tejavathu Ramesh and A. K. Panda. “High Performance Direct Torque and Flux Control of Induction Motor Drive using Fuzzy Logic Based Speed Controller,” in proc. National Conf. Power Electronics Systems & Applications (PESA-2013), pp. 67-83, NIT-Rourkela, March 2013.

 M.Tech. Dissertations:

Si. No.

Name of the Student

Dissertation Topic

Year

Status

1.

Pothuraju Ramakrishna

Performance Analysis of Solar Power Based Multi-level Inverter fed Induction Motor Drive

2017-2018

Completed

2.

Jaipal

Performance Analysis of a Solar Power Based Induction Motor Drive

2017-2018

Completed

3.

Yakala  Ravikuma

Multi-level  Inverter  Based  Space Vector  Modulated-Direct  Torque and  Flux  Control  (DTFC–  SVM)  of a  Speed  Sensorless  Induction  Motor 

2016-2017

Completed

4.

Aenugu Mastanaiah

Parallel MRAS Rotor speed and Stator Resistance Estimator for DTFC-SVM of an IMD.

2015-2016

Completed

5.

Amit Kumar

MRAS based Speed Estimator for Vector Control of a Sensorless IMD.

2014-2015

Completed

 

B.Tech. Major Projects: 

Si. No.

Name  of Student

Title of Project Report

Year

Status

1.

Piyush Ahuja

Vector Control of AC Induction Motor Drive.

2016

Completed

2.

Abhinav Kumar Gupta,

Akshay A.P. Singh, Sahil Agarwal

Modeling and Simulation of Perturb and Observe MPPT Algorithm for Solar PV Systems.

2017

Completed

 

Membership of Scientific/ Engineering Bodies:

      Member, Institute of  Electrical and Electronics Engineers.

Additional Responsibility:

Administrative:

Sr. No.

Assignment

Date

Institution

From

To

1.

Faculty I/C, Swimming & Water Polo

2014

2017

NIT Kurukshetra

2.

Chairman, Swimming Pool Committee

2016

2018

NIT Kurukshetra


Academic:

Sr. No.

Assignment

Date

Institution

From

To

1.

Professor In-charge, Electrical Machines and Drives

2016

2018

NIT Kurukshetra

2.

Professor In-charge, Audio Visual and Seminar Rooms

2016

2018

NIT Kurukshetra

 

Reviewer of International Journals:

  1.      IEEE Transactions on Industrial Electronics
  2.      IET Electric Power Applications
  3.      IETE Journal of Research, Taylor & Francis
  4.      Electric Power Components and Systems, Taylor & Francis
  5.      International Journal of Emerging Electric Power Systems, De Gruyter
  6.      Frontiers in Energy, Springer
  7.      Solar Energy, Elsevier
  8.      International Journal of Electrical Power and Energy Systems, Elsevier

Extra-Curricular Activities:

  1.      Secured seccond place in Departmental Faculty Relay Race (4x100) in Annual Athletic meet held at NIT Kurukshetra, 2018.
  2.      First place in Departmental Faculty Relay Race (4x100) in Annual Athletic meet held at NIT Kurukshetra, 2015.
  3.      First place in Departmental Faculty Relay Race (4x100) in Annual Athletic meet held at NIT Kurukshetra, 2014.
  4.      Champions in Kabaddi Sports Festival Tournament held at NIT Kurukshetra, 2013.
  5.      Best player of Kabbaddi Sports Festival Tournament held at NIT Kurukshetra, 2013.
  6.      Secured first place (50M freestyle) in Annual open swimming competition held at NIT Rourkela, 2012.
  7.      Secured first place (50M backstroke) in Annual open swimming competition held at NIT Rourkela, 2012.
  8.      Secured second place (50x4) in Annual swimming competition held at NIT Rourkela, 2010.
  9.      First place (50M and 100M backstroke) in Annual open swimming competition held at NIT Rourkela, 2011.
  10.     First place (50M and 100M freestyle) in Annual swimming competition held at NIT Rourkela, 2010.
  11.     First Prize in Annual Open Swimming Competitions (50M, 100M- Backstrokes), in 2010 & 2011.
  12.     First Prize in International student meet swimming competitions (100M Free Style and Back Stroke) held at NIT-Rourkela, in 2011.
  13.     Runner-up in Inter NIT-Kabaddi Tournament held at NIT-Surat, 2010.
  14.     Second Prize in International student meet swimming competitions (100M Freestyle) at NIT-Rourkela, 2010.