Ashok Kumar
EDUCATION
• Indian Institute of Technology, Kanpur------------------------------- 2019 PhD - Power Electronics
Thesis title: Converter Topologies for Low Power Single and Two-Stage Buck-Boost Inverter Systems.
• Indian Institute of Technology, Roorkee------------------------------2012 Master of Technology - Electrical Drives and Power Electronics
Thesis title: Digital voltage and frequency controller for self-excited induction generator.
• National Institute of Technology, Raipur------------------------------2010 Bachelor of Technology - Electrical Engineering
WORK EXPERIENCE
- Assistant Professor, Dept. of Electrical and Electronics Engg., NIT-Tiruchirappalli (2020 June - Till Date)
- Research Fellow, Dept. of Electrical Engg., IIT Kanpur (August 2019 – May 2020).
PUBLICATIONS
Journals:
- A. Kumar and P. Sensarma, "A Four-Switch Single-Stage Single-Phase Buck-Boost Inverter," in IEEE Transactions on Power Electronics, vol. 32, no. 7, July 2017.
- A. Kumar and P. Sensarma, "New Switching Strategy for Single-Mode Operation of a Single-Stage Buck-Boost Inverter," in IEEE Transactions on Power Electronics, vol. 33, no. 7, July 2018.
- A. Kumar and P. Sensarma, "Ripple-Free Input Current High Voltage Gain DC–DC Converters With Coupled Inductors," in IEEE Transactions on Power Electronics, vol. 34, no. 4, pp. 3418-3428, April 2019.
- U. Kundu, B. Pant, S. Sikder, A. Kumar and P. Sensarma, "Frequency Domain Analysis and Optimal Design of Isolated Bidirectional Series Resonant Converter," in IEEE Transactions on Industry Applications, vol. 54, no. 1, Jan.-Feb. 2018.
Conferences:
- A. Kumar and P. Sensarma, “Operating modes based review of single-stage buck-boost inverters,” IEEE IECON, Lisbon, Portugal, 2019.
- A. Kumar, Kanika Bathra and P. Sensarma, “A Cascaded Buck-Flyback Structure for High Voltage Step Down Applications,” IEEE IECON, Lisbon, Portugal, 2019.
- A. Kumar and P. Sensarma, “Inner Loop Stability of Peak Current Controlled Cuk and SEPIC Converters," IEEE PEDES, Chennai, India, 2018.
- A. Kumar and P. Sensarma, “Derivation of Single-Stage Single-Phase Fourth Order Buck-boost Inverters," IEEE PEDES, Chennai, India, 2018.
- A. Kumar and P. Sensarma, “Two High Voltage Gain Non-isolated DC-DC Converters with Ripple Free Input Current," IEEE PEDES, Chennai, India, 2018.
- A. Kumar and P. Sensarma, “CCM-DCM Operation of a High Voltage Gain Boost-Flyback Derived Converter," IEEE PEDES, Chennai, India, 2018.
- A. Kumar, R. Peri, U. Kundu and P. Sensarma, "A high voltage gain current fed non-isolated dc-dc converter," IEEE PEDES, Trivandrum, India, 2016, pp. 1-6.
- A. Kumar, R. Peri, and P. Sensarma, "Analysis and design of a current fed non-isolated buck-boost DC-DC converter," IEEE ECCE, Milwaukee, WI, 2016, pp. 1-8.
- A. Kumar, V. Gautam, and P. Sensarma, "A SEPIC derived single-stage buck-boost inverter for photovoltaic applications," IEEE ICIT, Busan, 2014, pp. 403-408.
- V. Gautam, A. Kumar, and P. Sensarma, "A novel single-stage, transformerless PV inverter," IEEE ICIT, Busan, 2014, pp. 907-912.
- U. Kundu, S. Sikder, A. Kumar and P. Sensarma, "Frequency domain analysis and design of isolated bidirectional series resonant Dc-dc converter," IEEE PEDES, Trivandrum, 2016, pp. 1-6.
Patents:
- A. Kumar and P. Sensarma, "Single-stage transformer-less photovoltaic inverter" Indian Patent 2607/DEL/2014, filed September 11, 2014.
- A. Kumar and P. Sensarma, "Single stage buck-boost photovoltaic micro-inverter" Indian Patent 3269/DEL/2014, filed November 12, 2014.
RESEARCH INTERESTS
- Renewable energy power processing
- Single-stage & two stage solar micro-inverters
- Modeling & control of power converters
WEB LINKS
https://scholar.google.co.in/citations?user=aed2D6MAAAAJ&hl=en
https://www.researchgate.net/profile/Ashok_Kumar409
Dr Ashok Kumar
Assistant Professor
Department of Electrical and Electronics Engineering
National Institute of Technology Tiruchirappalli.
email: krashok@nitt.edu
Office: EEE A2 S11
Mob: 9651853535