Tapas Roy
Tapas Roy
Dr. Tapas Roy received the B.E. degree in electrical engineering from Jadavpur University, Kolkata, India, in 2009, and the M.E. degree in power electronics and drives from the Indian Institute of Science, Bangalore, India, in 2013. He has completed his Ph.D. degree in novel MLI topologies at the Indian Institute of Technology, Dhanbad, India in 2023. He is currently an Assistant Professor(II) with the School of Electrical Engineering, KIIT Deemed to be University, Bhubaneswar, India. His research interests include switched capacitor multilevel inverter topologies, dc–dc converters, motor drives, and pulsewidth modulation techniques etc.
Profile Links
Email :
[email protected]
Scopus Id :
56768977000
Google Scholar :
https://scholar.google.co.in/citations?user=
Social Links
Educational Qualification
Master of Engineering, Phd(Cont.)
Research Interests
Power Electronics and Drives
Administrative Responsibility
Works as member of different school level accreditation committee, works as tutor and mentors for a group of students, Research lab faculty in charge
Awards & Honours
Recipient of “Distinguish Reviewer of 2019” from IEEE Transactions on Industrial Electronics. Best Paper Presentation Award at 2nd International Conference on ‘Innovation in Electrical Power Engineering, Communication and Computing Technology (IEPCCT) 2021’ organized by Department of Electrical Engineering, Faculty of Engineering and Technology (ITER), Siksha ‘O’ Anusandhan (Deemed to be University), Bhubaneswar, Odisha (springer conference)
Memberships
IEEE Member, IET Member
Master of Engineering, Phd(Cont.)
Research Interests
Power Electronics and Drives
Administrative Responsibility
Works as member of different school level accreditation committee, works as tutor and mentors for a group of students, Research lab faculty in charge
Awards & Honours
Recipient of “Distinguish Reviewer of 2019” from IEEE Transactions on Industrial Electronics. Best Paper Presentation Award at 2nd International Conference on ‘Innovation in Electrical Power Engineering, Communication and Computing Technology (IEPCCT) 2021’ organized by Department of Electrical Engineering, Faculty of Engineering and Technology (ITER), Siksha ‘O’ Anusandhan (Deemed to be University), Bhubaneswar, Odisha (springer conference)
Memberships
IEEE Member, IET Member
Journals/Conferences :
Tapas Roy, P. K. Sadhu and A. Dasgupta, "Cross-Switched Multilevel Inverter Using Novel Switched Capacitor Converters," in IEEE Transactions on Industrial Electronics, vol. 66, no. 11, pp. 8521-8532, Nov. 2019, doi: 10.1109/TIE.2018.2889632.
Tapas Roy and P. K. Sadhu, "A Step-Up Multilevel Inverter Topology Using Novel Switched Capacitor Converters With Reduced Components," in IEEE Transactions on Industrial Electronics, vol. 68, no. 1, pp. 236-247, Jan. 2021, doi: 10.1109/TIE.2020.2965458.
Tapas Roy, M. W. Tesfay, B. Nayak and C. K. Panigrahi, "A 7-Level Switched Capacitor Multilevel Inverter With Reduced Switches and Voltage Stresses," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 68, no. 12, pp. 3587-3591, Dec. 2021, doi: 10.1109/TCSII.2021.3078903.
Tapas Roy, P. K. Sadhu and C. K. Panigrahi, A switched-capacitor-based step-up multilevel inverter and its cascaded configuration using reduced number of components. International Transactions on Electrical Energy Systems, 31(2), 1-23, DOI: 10.1002/2050-7038.12721.
Tapas Roy and P. K. Sadhu, "A novel symmetric switched capacitor multilevel inverter using non-isolated power supplies with reduced number of components". in Sādhanā, vol. 45, no. 1, pp 111-122, May 2020. https://doi.org/10.1007/s12046-020-01357-7.
Tapas Roy et. al., “Step-up switched capacitor multilevel inverter with a cascaded structure in asymmetric dc source configuration.” Journal of power electronics, 18(4), 2018, 1051-1066. DOI: 10.6113/JPE.2018.18.4.1051.
Tapas Roy, P. K. Sadhu, and A. Dasgupta, “A new single phase multilevel inverter topology with two-step voltage boosting capability. Journal of power electronics, 17(5), 2017, 1173-1185. DOI: 10.6113/JPE.2017.17.5.1173.
Tapas Roy and Pradip K Sadhu, “A step-up multilevel inverter with reduced devices and input current ripple” International Journal of Electronics, 2022 (article in press) DOI: 10.1080/00207217.2022.2140837.
Tapas Roy, Sitakant Debata and Pradip K Sadhu, “A high boost switched capacitor multilevel inverter with reduced components” International Journal of Electronics, 2023 (article in press) DOI: 10.1080/00207217.2023.2248664.
SCOPUS Journal Publications:
Tapas Roy et. al., “A Novel Three Phase Multilevel Inverter Structure using Switched Capacitor Basic Unit for Renewable Energy Conversion Systems” International Journal of Power Electronics, 10(1/2), 133 - 154, 2019. DOI:10.1504/IJPELEC.2019.096818.
Tapas Roy, Neha Aarzoo, Abhijit Dasgupta, “Development of generalised and optimum structures of a multilevel inverter using switched capacitor technique for renewable energy conversion systems”International Journal of Power Electronics, 14(1), 169 - 197, 2021. DOI:10.1504/IJPELEC.2021.116649.
D Roy, M Singh and Tapas Roy, “ A Novel Approach for Space Vector Based PWM Algorithm for Diode Clamped Three level VSI Fed Induction Motor Drive”, in International Journal of Power Electronics and Drive System, 8(4), 1534-1547, 2017.
Gashaw Ango, Tapas Roy, and Pradip Kumar Sadhu, “ A Novel Switched Capacitor Based Multilevel Inverter Structure for Renewable Energy Conversion System, in International Journal of Power Electronics, 16(1), 1-33, 2022.
Conference Publications:
P. R. Mishra, S. Jha and Tapas Roy, "A Novel 15-Level Asymmetric Modified T-Type Inverter with Reduced Device count," 2021 IEEE 18th India Council International Conference (INDICON), 2021, pp. 1-6, doi: 10.1109/INDICON52576.2021.9691644.
S. K. Swain, Tapas Roy, T. R. Choudhury and S. Mohapatra, "A Step-up Multilevel Inverter Structure using Switched Capacitor technique with Non-isolated Power Sources and Reduced Devices," 2021 1st International Conference on Power Electronics and Energy (ICPEE), 2021, pp. 1-6, doi: 10.1109/ICPEE50452.2021.9358617.
M. W. Tesfay, Tapas Roy, S. K. Swain and L. Nanda, "A Novel Step-up 7L Switched-Capacitor Multilevel Inverter and Its Extended Structure," 2021 1st International Conference on Power Electronics and Energy (ICPEE), 2021, pp. 1-6, doi: 10.1109/ICPEE50452.2021.9358651.
S. Majhee, Tapas Roy, A. Chakraborty and T. N. S. C. Sekhar, "Analysis and Development of A Novel Step-up 17 Level Switched Capacitor Multilevel Inverter For Renewable Energy Conversion System," 2019 IEEE International Conference on Electrical, Computer and Communication Technologies (ICECCT), 2019, pp. 1-6, doi: 10.1109/ICECCT.2019.8869420.
Tapas Roy, S. Majhee, A. Dasgupta and A. Chakraborty, "A Novel Step-Up Multilevel Inverter Based On Switched-Capacitor Technique For Renewable Energy Conversion System," 2019 IEEE International Conference on Sustainable Energy Technologies and Systems (ICSETS), 2019, pp. 097-102, doi: 10.1109/ICSETS.2019.8745207.
S. Debata, Tapas Roy, S. Sahu, T. N. Sekhar and A. Dasgupta, "Development, Analysis and Simulation Study of a Novel Switched Capacitor Multilevel Inverter Structure for Different DC Source Configurations," 2018 International Conference on Recent Innovations in Electrical, Electronics & Communication Engineering (ICRIEECE), 2018, pp. 3140-3145, doi: 10.1109/ICRIEECE44171.2018.9009250.
R. Rout, Tapas Roy, T. R. Choudhury, B. Nayak and B. Mishra, "Analysis and Implementation of a Novel Multilevel Inverter Structure Using Reduced Power Electronic Switches and DC Sources," 2018 International Conference on Recent Innovations in Electrical, Electronics & Communication Engineering (ICRIEECE), 2018, pp. 3135-3139, doi: 10.1109/ICRIEECE44171.2018.9009206.
A. Chakraborty, Tapas Roy, S. Majhee and A. Dasgupta, "A Novel Reduced Device Count Multilevel Inverter Structure using Non-isolated Power Supplies," 2018 8th IEEE India International Conference on Power Electronics (IICPE), 2018, pp. 1-6, doi: 10.1109/IICPE.2018.8709502.
R. Rout, Tapas Roy, T. R. Choudhury and B. Nayak, "A Novel Structure of Cascaded Multilevel Inverter with High Voltage Level Generation Capability using Reduced Components," 2018 National Power Engineering Conference (NPEC), 2018, pp. 1-5, doi: 10.1109/NPEC.2018.8476791.
Diptish Saha, Tapas Roy, Sitakant Debata “Closed Loop Control of a Novel Three Phase Switched Capacitor Multilevel Inverter using Model Predictive Control Technique”, 6th National Power Engineering Conference-2018 (NPEC-18), Madurai, India.
Diptish Saha, and Tapas Roy, “A New Symmetrical Three Phase Multilevel Inverter using Switched Capacitor Basic Units for Renewable Energy Conversion Systems”, International Conference on Control, Power Communication and Computing Technologies (ICCPCCT-2018), March 22-23, 2018, Kannur, India.
Diptish Saha, and Tapas Roy, “Implementation of Model Predictive Control for Conventional Switched Capacitor Multilevel Inverter to Reduce Input Current Peak and Capacitor Voltage Ripple”, IEEE’s 3rd International Conference for Convergence in Technology (I2CT), April 6-8, 2018, Pune, India.
Saikat Kumar Maity, Tapas Roy, Diptish Saha, “A Novel Structure of Cascaded Multilevel Inverter with Reduced Device Count”, IEEE Calcutta Conference 2017 (CALCON – 2017), Dec. 2-3, 2017, Kolkata, India.
S. Debatal, Tapas Roy, A. Dasgupta and P. K. Sadhu, "A Novel Structure of Switched Capacitor Multilevel Inverter with Reduced Device Count," 2018 National Power Engineering Conference (NPEC), 2018, pp. 1-6, doi: 10.1109/NPEC.2018.8476699.
S. K. Maity and Tapas Roy, "A study of symmetrical and various asymmetrical DC source configurations of a novel cascaded multilevel inverter topology," 2018 Technologies for Smart-City Energy Security and Power (ICSESP), 2018, pp. 1-5, doi: 10.1109/ICSESP.2018.8376715.
S. Saha, S. Behera, Tapas Roy and B. Nayak, "Application of nested topology of multilevel inverter in closed loop control of induction motor drives," 2017 Second International Conference on Electrical, Computer and Communication Technologies (ICECCT), 2017, pp. 1-6, doi: 10.1109/ICECCT.2017.8117988.
Tapas Roy, N. Aarzoo, P. K. Sadhu, C. Jena and S. Mohapatra, "A novel symmetrical switched capacitor based three-phase cascaded multi-level inverter," 2016 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), 2016, pp. 1-6, doi: 10.1109/PEDES.2016.7914282.
P. Priyadarsini, Tapas Roy, S. Mohapatra and P. K. Sadhu, "Analysis and simulation study of extended boost z-source sparse matrix converter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853141.
B. Mandal, Tapas Roy, S. Agarwal and P. K. Sadhu, "Switched Capacitor Z-Source Inverter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853139.
S. Karmakar, Tapas Roy, P. K. Sadhu and S. Mondal, "Analysis and simulation of a new topology of single phase multi-level inverter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853111.
D. Nanda, Tapas Roy and P. K. Sadhu, "Comparison study of different pulse width modulation techniques for Extended boost Z-source inverter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853172.
S. Mondal, Tapas Roy, A. Dasgupta and P. K. Sadhu, "Study of a new single phase multilevel inverter based on switched capacitor units," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-4, doi: 10.1109/ICPEICES.2016.7853173.
S. DebBarman and Tapas Roy, "Advanced Pulse Width Modulation technique for Z-Source Inverter," 2014 IEEE 6th India International Conference on Power Electronics (IICPE), 2014, pp. 1-6, doi: 10.1109/IICPE.2014.7115850.
D. Roy and Tapas Roy, "A new technique to implement conventional as well as advanced Pulse Width Modulation techniques for multi-level inverter," 2014 IEEE 6th India International Conference on Power Electronics (IICPE), 2014, pp. 1-6, doi: 10.1109/IICPE.2014.7115852.
Tapas Roy, and P. K. Sadhu, “A Novel 7-Level Switched-Capacitor Multilevel Inverter with Reduced Components for Renewable Energy Conversion Systems” in Innovation in Electrical Power Engineering, Communication, and Computing Technology. Lecture Notes in Electrical Engineering, vol 814 2022 Springer, Singapore. https://doi.org/10.1007/978-981-16-7076-3_38.
A. Acharya, L. Nanda, Tapas Roy, B. Misra, “Boost Converter with Generalized Quadratic Boosting Cell with Reduced Capacitor Voltage Stresses”, in Advances in Smart Grid and Renewable Energy. ETAEERE 2020. Lecture Notes in Electrical Engineering, vol 691. Springer, Singapore. https://doi.org/10.1007/978-981-15-7511-2_8.
M.W. Tesfay, Tapas Roy, S. Das, “A Novel Single-Phase Switched Capacitor Multilevel Inverter with Voltage Boosting Ability for Renewable Applications” in Advances in Smart Grid and Renewable Energy. ETAEERE 2020. Lecture Notes in Electrical Engineering, vol 691. Springer, Singapore. https://doi.org/10.1007/978-981-15-7511-2_10
I. Das and Tapas Roy, "A new Multi-Device Boost Converter topology with reduced switching stress and high voltage gain," Michael Faraday IET International Summit 2015, 2015, pp. 380-386, doi: 10.1049/cp.2015.1662.
R. K. Dhal and Tapas Roy, "A Comparative Study between different Multilevel Inverter Topologies for different types of bus clamping PWM techniques using six region selection algorithm," Michael Faraday IET International Summit 2015, 10.1049/cp.2015.1664.
Tapas Roy, Pavan Kumar Hari, and G Narayanan, “ Study on the Effect of Dead Time and Its Compensation for Bus-Clamping PWM Techniques, In National Power Electronics Conference (NPEC) 20-22 December, 2013, IIT Kanpur.
A. Abhishek, R. Patel, Tapas Roy, C. K. Panigrahi and V. Khadkikar, "Improved High Gain Quadratic Boost Converter Using Voltage Lifting Technique and Reduced Voltage Stress," 2023 IEEE 3rd International Conference on Sustainable Energy and Future Electric Transportation (SEFET), Bhubaneswar, India, 2023, pp. 1-6, doi: 10.1109/SeFeT57834.2023.10245660.
S. Behera, R. Patel, B. Nayak and Tapas Roy, "High Gain Modified Quadratic Boost-Cuk Converter with L-Impedance Network for Fuel Cell Application," 2023 IEEE 3rd International Conference on Sustainable Energy and Future Electric Transportation (SEFET), Bhubaneswar, India, 2023, pp. 1-6, doi: 10.1109/SeFeT57834.2023.10244914.
Patent Granted and Published
A Photovoltaic Integrated System and Method For Heating Metallic Appliances under Variable Load Conditions (Patent Application No-201731040937, Patent No-409799) Granted
in 2021
Solar Based Hybrid Heating System And Method With Variable Load Conditions For Low-Wattage Metallic Appliances (Patent Application No-201731034927) Published in 2019
An Economical 7 Level Multilevel Inverter Based On Switched Capacitor Technique (Patent Application No-202331001897) Published in 2023
Hardware Experience
Study on Dead Time Effect and its Compensation for Bus Clamping PWM technique : a two-level MOSFET based three-phase VSI is designed and developed on printed circuit board (PCB) for this study. The control pulses are generated by DSP processor. 2012
Development of 7 level 3 phase switched capacitor based Multilevel inverter: The hardware prototype has been developed using MOSFET switches. The control pulses have been generated by ATmega 328 microcontroller. 2016
Development of 7-level 1 phase two step boost ability switched capacitor multilevel inverter: A laboratory prototype has been designed and developed. High frequency Inductors have been designed and built at the lab. The control pulses have been generated by ATmega 328 microcontroller. 2017
Development of 21-level 1 phase switched capacitor Multilevel Inverter: A 21 level MOSFET based SCMLI has been developed and tested at laboratory. The control pulses have been generated by Dspace 1104. 2018
Development of 13 level single phase SCMLIs, Development of 7 level high boost SCMLI: MOSFET based 7 level and 13 level SCMLIs have been developed and test in the laboratory. These topologies have been published in IEEE Transactions. The control pulses have been generated by Dspace 1104 as well as ATmega 328 microcontroller. 2020-21
Publications
SCI Journal Publications:
Tapas Roy, P. K. Sadhu and A. Dasgupta, "Cross-Switched Multilevel Inverter Using Novel Switched Capacitor Converters," in IEEE Transactions on Industrial Electronics, vol. 66, no. 11, pp. 8521-8532, Nov. 2019, doi: 10.1109/TIE.2018.2889632.
Tapas Roy and P. K. Sadhu, "A Step-Up Multilevel Inverter Topology Using Novel Switched Capacitor Converters With Reduced Components," in IEEE Transactions on Industrial Electronics, vol. 68, no. 1, pp. 236-247, Jan. 2021, doi: 10.1109/TIE.2020.2965458.
Tapas Roy, M. W. Tesfay, B. Nayak and C. K. Panigrahi, "A 7-Level Switched Capacitor Multilevel Inverter With Reduced Switches and Voltage Stresses," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 68, no. 12, pp. 3587-3591, Dec. 2021, doi: 10.1109/TCSII.2021.3078903.
Tapas Roy, P. K. Sadhu and C. K. Panigrahi, A switched-capacitor-based step-up multilevel inverter and its cascaded configuration using reduced number of components. International Transactions on Electrical Energy Systems, 31(2), 1-23, DOI: 10.1002/2050-7038.12721.
Tapas Roy and P. K. Sadhu, "A novel symmetric switched capacitor multilevel inverter using non-isolated power supplies with reduced number of components". in Sādhanā, vol. 45, no. 1, pp 111-122, May 2020. https://doi.org/10.1007/s12046-020-01357-7.
Tapas Roy et. al., “Step-up switched capacitor multilevel inverter with a cascaded structure in asymmetric dc source configuration.” Journal of power electronics, 18(4), 2018, 1051-1066. DOI: 10.6113/JPE.2018.18.4.1051.
Tapas Roy, P. K. Sadhu, and A. Dasgupta, “A new single phase multilevel inverter topology with two-step voltage boosting capability. Journal of power electronics, 17(5), 2017, 1173-1185. DOI: 10.6113/JPE.2017.17.5.1173.
Tapas Roy and Pradip K Sadhu, “A step-up multilevel inverter with reduced devices and input current ripple” International Journal of Electronics, 2022 (article in press) DOI: 10.1080/00207217.2022.2140837.
Tapas Roy, Sitakant Debata and Pradip K Sadhu, “A high boost switched capacitor multilevel inverter with reduced components” International Journal of Electronics, 2023 (article in press) DOI: 10.1080/00207217.2023.2248664.
SCOPUS Journal Publications:
Tapas Roy et. al., “A Novel Three Phase Multilevel Inverter Structure using Switched Capacitor Basic Unit for Renewable Energy Conversion Systems” International Journal of Power Electronics, 10(1/2), 133 - 154, 2019. DOI:10.1504/IJPELEC.2019.096818.
Tapas Roy, Neha Aarzoo, Abhijit Dasgupta, “Development of generalised and optimum structures of a multilevel inverter using switched capacitor technique for renewable energy conversion systems”International Journal of Power Electronics, 14(1), 169 - 197, 2021. DOI:10.1504/IJPELEC.2021.116649.
D Roy, M Singh and Tapas Roy, “ A Novel Approach for Space Vector Based PWM Algorithm for Diode Clamped Three level VSI Fed Induction Motor Drive”, in International Journal of Power Electronics and Drive System, 8(4), 1534-1547, 2017.
Gashaw Ango, Tapas Roy, and Pradip Kumar Sadhu, “ A Novel Switched Capacitor Based Multilevel Inverter Structure for Renewable Energy Conversion System, in International Journal of Power Electronics, 16(1), 1-33, 2022.
Conference Publications:
P. R. Mishra, S. Jha and Tapas Roy, "A Novel 15-Level Asymmetric Modified T-Type Inverter with Reduced Device count," 2021 IEEE 18th India Council International Conference (INDICON), 2021, pp. 1-6, doi: 10.1109/INDICON52576.2021.9691644.
S. K. Swain, Tapas Roy, T. R. Choudhury and S. Mohapatra, "A Step-up Multilevel Inverter Structure using Switched Capacitor technique with Non-isolated Power Sources and Reduced Devices," 2021 1st International Conference on Power Electronics and Energy (ICPEE), 2021, pp. 1-6, doi: 10.1109/ICPEE50452.2021.9358617.
M. W. Tesfay, Tapas Roy, S. K. Swain and L. Nanda, "A Novel Step-up 7L Switched-Capacitor Multilevel Inverter and Its Extended Structure," 2021 1st International Conference on Power Electronics and Energy (ICPEE), 2021, pp. 1-6, doi: 10.1109/ICPEE50452.2021.9358651.
S. Majhee, Tapas Roy, A. Chakraborty and T. N. S. C. Sekhar, "Analysis and Development of A Novel Step-up 17 Level Switched Capacitor Multilevel Inverter For Renewable Energy Conversion System," 2019 IEEE International Conference on Electrical, Computer and Communication Technologies (ICECCT), 2019, pp. 1-6, doi: 10.1109/ICECCT.2019.8869420.
Tapas Roy, S. Majhee, A. Dasgupta and A. Chakraborty, "A Novel Step-Up Multilevel Inverter Based On Switched-Capacitor Technique For Renewable Energy Conversion System," 2019 IEEE International Conference on Sustainable Energy Technologies and Systems (ICSETS), 2019, pp. 097-102, doi: 10.1109/ICSETS.2019.8745207.
S. Debata, Tapas Roy, S. Sahu, T. N. Sekhar and A. Dasgupta, "Development, Analysis and Simulation Study of a Novel Switched Capacitor Multilevel Inverter Structure for Different DC Source Configurations," 2018 International Conference on Recent Innovations in Electrical, Electronics & Communication Engineering (ICRIEECE), 2018, pp. 3140-3145, doi: 10.1109/ICRIEECE44171.2018.9009250.
R. Rout, Tapas Roy, T. R. Choudhury, B. Nayak and B. Mishra, "Analysis and Implementation of a Novel Multilevel Inverter Structure Using Reduced Power Electronic Switches and DC Sources," 2018 International Conference on Recent Innovations in Electrical, Electronics & Communication Engineering (ICRIEECE), 2018, pp. 3135-3139, doi: 10.1109/ICRIEECE44171.2018.9009206.
A. Chakraborty, Tapas Roy, S. Majhee and A. Dasgupta, "A Novel Reduced Device Count Multilevel Inverter Structure using Non-isolated Power Supplies," 2018 8th IEEE India International Conference on Power Electronics (IICPE), 2018, pp. 1-6, doi: 10.1109/IICPE.2018.8709502.
R. Rout, Tapas Roy, T. R. Choudhury and B. Nayak, "A Novel Structure of Cascaded Multilevel Inverter with High Voltage Level Generation Capability using Reduced Components," 2018 National Power Engineering Conference (NPEC), 2018, pp. 1-5, doi: 10.1109/NPEC.2018.8476791.
Diptish Saha, Tapas Roy, Sitakant Debata “Closed Loop Control of a Novel Three Phase Switched Capacitor Multilevel Inverter using Model Predictive Control Technique”, 6th National Power Engineering Conference-2018 (NPEC-18), Madurai, India.
Diptish Saha, and Tapas Roy, “A New Symmetrical Three Phase Multilevel Inverter using Switched Capacitor Basic Units for Renewable Energy Conversion Systems”, International Conference on Control, Power Communication and Computing Technologies (ICCPCCT-2018), March 22-23, 2018, Kannur, India.
Diptish Saha, and Tapas Roy, “Implementation of Model Predictive Control for Conventional Switched Capacitor Multilevel Inverter to Reduce Input Current Peak and Capacitor Voltage Ripple”, IEEE’s 3rd International Conference for Convergence in Technology (I2CT), April 6-8, 2018, Pune, India.
Saikat Kumar Maity, Tapas Roy, Diptish Saha, “A Novel Structure of Cascaded Multilevel Inverter with Reduced Device Count”, IEEE Calcutta Conference 2017 (CALCON – 2017), Dec. 2-3, 2017, Kolkata, India.
S. Debatal, Tapas Roy, A. Dasgupta and P. K. Sadhu, "A Novel Structure of Switched Capacitor Multilevel Inverter with Reduced Device Count," 2018 National Power Engineering Conference (NPEC), 2018, pp. 1-6, doi: 10.1109/NPEC.2018.8476699.
S. K. Maity and Tapas Roy, "A study of symmetrical and various asymmetrical DC source configurations of a novel cascaded multilevel inverter topology," 2018 Technologies for Smart-City Energy Security and Power (ICSESP), 2018, pp. 1-5, doi: 10.1109/ICSESP.2018.8376715.
S. Saha, S. Behera, Tapas Roy and B. Nayak, "Application of nested topology of multilevel inverter in closed loop control of induction motor drives," 2017 Second International Conference on Electrical, Computer and Communication Technologies (ICECCT), 2017, pp. 1-6, doi: 10.1109/ICECCT.2017.8117988.
Tapas Roy, N. Aarzoo, P. K. Sadhu, C. Jena and S. Mohapatra, "A novel symmetrical switched capacitor based three-phase cascaded multi-level inverter," 2016 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), 2016, pp. 1-6, doi: 10.1109/PEDES.2016.7914282.
P. Priyadarsini, Tapas Roy, S. Mohapatra and P. K. Sadhu, "Analysis and simulation study of extended boost z-source sparse matrix converter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853141.
B. Mandal, Tapas Roy, S. Agarwal and P. K. Sadhu, "Switched Capacitor Z-Source Inverter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853139.
S. Karmakar, Tapas Roy, P. K. Sadhu and S. Mondal, "Analysis and simulation of a new topology of single phase multi-level inverter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853111.
D. Nanda, Tapas Roy and P. K. Sadhu, "Comparison study of different pulse width modulation techniques for Extended boost Z-source inverter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853172.
S. Mondal, Tapas Roy, A. Dasgupta and P. K. Sadhu, "Study of a new single phase multilevel inverter based on switched capacitor units," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-4, doi: 10.1109/ICPEICES.2016.7853173.
S. DebBarman and Tapas Roy, "Advanced Pulse Width Modulation technique for Z-Source Inverter," 2014 IEEE 6th India International Conference on Power Electronics (IICPE), 2014, pp. 1-6, doi: 10.1109/IICPE.2014.7115850.
D. Roy and Tapas Roy, "A new technique to implement conventional as well as advanced Pulse Width Modulation techniques for multi-level inverter," 2014 IEEE 6th India International Conference on Power Electronics (IICPE), 2014, pp. 1-6, doi: 10.1109/IICPE.2014.7115852.
Tapas Roy, and P. K. Sadhu, “A Novel 7-Level Switched-Capacitor Multilevel Inverter with Reduced Components for Renewable Energy Conversion Systems” in Innovation in Electrical Power Engineering, Communication, and Computing Technology. Lecture Notes in Electrical Engineering, vol 814 2022 Springer, Singapore. https://doi.org/10.1007/978-981-16-7076-3_38.
A. Acharya, L. Nanda, Tapas Roy, B. Misra, “Boost Converter with Generalized Quadratic Boosting Cell with Reduced Capacitor Voltage Stresses”, in Advances in Smart Grid and Renewable Energy. ETAEERE 2020. Lecture Notes in Electrical Engineering, vol 691. Springer, Singapore. https://doi.org/10.1007/978-981-15-7511-2_8.
M.W. Tesfay, Tapas Roy, S. Das, “A Novel Single-Phase Switched Capacitor Multilevel Inverter with Voltage Boosting Ability for Renewable Applications” in Advances in Smart Grid and Renewable Energy. ETAEERE 2020. Lecture Notes in Electrical Engineering, vol 691. Springer, Singapore. https://doi.org/10.1007/978-981-15-7511-2_10
I. Das and Tapas Roy, "A new Multi-Device Boost Converter topology with reduced switching stress and high voltage gain," Michael Faraday IET International Summit 2015, 2015, pp. 380-386, doi: 10.1049/cp.2015.1662.
R. K. Dhal and Tapas Roy, "A Comparative Study between different Multilevel Inverter Topologies for different types of bus clamping PWM techniques using six region selection algorithm," Michael Faraday IET International Summit 2015, 10.1049/cp.2015.1664.
Tapas Roy, Pavan Kumar Hari, and G Narayanan, “ Study on the Effect of Dead Time and Its Compensation for Bus-Clamping PWM Techniques, In National Power Electronics Conference (NPEC) 20-22 December, 2013, IIT Kanpur.
A. Abhishek, R. Patel, Tapas Roy, C. K. Panigrahi and V. Khadkikar, "Improved High Gain Quadratic Boost Converter Using Voltage Lifting Technique and Reduced Voltage Stress," 2023 IEEE 3rd International Conference on Sustainable Energy and Future Electric Transportation (SEFET), Bhubaneswar, India, 2023, pp. 1-6, doi: 10.1109/SeFeT57834.2023.10245660.
S. Behera, R. Patel, B. Nayak and Tapas Roy, "High Gain Modified Quadratic Boost-Cuk Converter with L-Impedance Network for Fuel Cell Application," 2023 IEEE 3rd International Conference on Sustainable Energy and Future Electric Transportation (SEFET), Bhubaneswar, India, 2023, pp. 1-6, doi: 10.1109/SeFeT57834.2023.10244914.
Patent Granted and Published
A Photovoltaic Integrated System and Method For Heating Metallic Appliances under Variable Load Conditions (Patent Application No-201731040937, Patent No-409799) Granted
in 2021
Solar Based Hybrid Heating System And Method With Variable Load Conditions For Low-Wattage Metallic Appliances (Patent Application No-201731034927) Published in 2019
An Economical 7 Level Multilevel Inverter Based On Switched Capacitor Technique (Patent Application No-202331001897) Published in 2023
Hardware Experience
Study on Dead Time Effect and its Compensation for Bus Clamping PWM technique : a two-level MOSFET based three-phase VSI is designed and developed on printed circuit board (PCB) for this study. The control pulses are generated by DSP processor. 2012
Development of 7 level 3 phase switched capacitor based Multilevel inverter: The hardware prototype has been developed using MOSFET switches. The control pulses have been generated by ATmega 328 microcontroller. 2016
Development of 7-level 1 phase two step boost ability switched capacitor multilevel inverter: A laboratory prototype has been designed and developed. High frequency Inductors have been designed and built at the lab. The control pulses have been generated by ATmega 328 microcontroller. 2017
Development of 21-level 1 phase switched capacitor Multilevel Inverter: A 21 level MOSFET based SCMLI has been developed and tested at laboratory. The control pulses have been generated by Dspace 1104. 2018
Development of 13 level single phase SCMLIs, Development of 7 level high boost SCMLI: MOSFET based 7 level and 13 level SCMLIs have been developed and test in the laboratory. These topologies have been published in IEEE Transactions. The control pulses have been generated by Dspace 1104 as well as ATmega 328 microcontroller. 2020-21
Honors and awards
Recipient of “Distinguish Reviewer of 2019” from IEEE Transactions on Industrial Electronics.
2020
Best Paper Presentation Award at 2nd International Conference on ‘Innovation in Electrical Power Engineering, Communication and Computing Technology (IEPCCT) 2021’ organized by Department of Electrical Engineering, Faculty of Engineering and Technology (ITER), Siksha ‘O’ Anusandhan (Deemed to be University), Bhubaneswar, Odisha (springer conference)
2021
Tapas Roy, P. K. Sadhu and A. Dasgupta, "Cross-Switched Multilevel Inverter Using Novel Switched Capacitor Converters," in IEEE Transactions on Industrial Electronics, vol. 66, no. 11, pp. 8521-8532, Nov. 2019, doi: 10.1109/TIE.2018.2889632.
Tapas Roy and P. K. Sadhu, "A Step-Up Multilevel Inverter Topology Using Novel Switched Capacitor Converters With Reduced Components," in IEEE Transactions on Industrial Electronics, vol. 68, no. 1, pp. 236-247, Jan. 2021, doi: 10.1109/TIE.2020.2965458.
Tapas Roy, M. W. Tesfay, B. Nayak and C. K. Panigrahi, "A 7-Level Switched Capacitor Multilevel Inverter With Reduced Switches and Voltage Stresses," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 68, no. 12, pp. 3587-3591, Dec. 2021, doi: 10.1109/TCSII.2021.3078903.
Tapas Roy, P. K. Sadhu and C. K. Panigrahi, A switched-capacitor-based step-up multilevel inverter and its cascaded configuration using reduced number of components. International Transactions on Electrical Energy Systems, 31(2), 1-23, DOI: 10.1002/2050-7038.12721.
Tapas Roy and P. K. Sadhu, "A novel symmetric switched capacitor multilevel inverter using non-isolated power supplies with reduced number of components". in Sādhanā, vol. 45, no. 1, pp 111-122, May 2020. https://doi.org/10.1007/s12046-020-01357-7.
Tapas Roy et. al., “Step-up switched capacitor multilevel inverter with a cascaded structure in asymmetric dc source configuration.” Journal of power electronics, 18(4), 2018, 1051-1066. DOI: 10.6113/JPE.2018.18.4.1051.
Tapas Roy, P. K. Sadhu, and A. Dasgupta, “A new single phase multilevel inverter topology with two-step voltage boosting capability. Journal of power electronics, 17(5), 2017, 1173-1185. DOI: 10.6113/JPE.2017.17.5.1173.
Tapas Roy and Pradip K Sadhu, “A step-up multilevel inverter with reduced devices and input current ripple” International Journal of Electronics, 2022 (article in press) DOI: 10.1080/00207217.2022.2140837.
Tapas Roy, Sitakant Debata and Pradip K Sadhu, “A high boost switched capacitor multilevel inverter with reduced components” International Journal of Electronics, 2023 (article in press) DOI: 10.1080/00207217.2023.2248664.
SCOPUS Journal Publications:
Tapas Roy et. al., “A Novel Three Phase Multilevel Inverter Structure using Switched Capacitor Basic Unit for Renewable Energy Conversion Systems” International Journal of Power Electronics, 10(1/2), 133 - 154, 2019. DOI:10.1504/IJPELEC.2019.096818.
Tapas Roy, Neha Aarzoo, Abhijit Dasgupta, “Development of generalised and optimum structures of a multilevel inverter using switched capacitor technique for renewable energy conversion systems”International Journal of Power Electronics, 14(1), 169 - 197, 2021. DOI:10.1504/IJPELEC.2021.116649.
D Roy, M Singh and Tapas Roy, “ A Novel Approach for Space Vector Based PWM Algorithm for Diode Clamped Three level VSI Fed Induction Motor Drive”, in International Journal of Power Electronics and Drive System, 8(4), 1534-1547, 2017.
Gashaw Ango, Tapas Roy, and Pradip Kumar Sadhu, “ A Novel Switched Capacitor Based Multilevel Inverter Structure for Renewable Energy Conversion System, in International Journal of Power Electronics, 16(1), 1-33, 2022.
Conference Publications:
P. R. Mishra, S. Jha and Tapas Roy, "A Novel 15-Level Asymmetric Modified T-Type Inverter with Reduced Device count," 2021 IEEE 18th India Council International Conference (INDICON), 2021, pp. 1-6, doi: 10.1109/INDICON52576.2021.9691644.
S. K. Swain, Tapas Roy, T. R. Choudhury and S. Mohapatra, "A Step-up Multilevel Inverter Structure using Switched Capacitor technique with Non-isolated Power Sources and Reduced Devices," 2021 1st International Conference on Power Electronics and Energy (ICPEE), 2021, pp. 1-6, doi: 10.1109/ICPEE50452.2021.9358617.
M. W. Tesfay, Tapas Roy, S. K. Swain and L. Nanda, "A Novel Step-up 7L Switched-Capacitor Multilevel Inverter and Its Extended Structure," 2021 1st International Conference on Power Electronics and Energy (ICPEE), 2021, pp. 1-6, doi: 10.1109/ICPEE50452.2021.9358651.
S. Majhee, Tapas Roy, A. Chakraborty and T. N. S. C. Sekhar, "Analysis and Development of A Novel Step-up 17 Level Switched Capacitor Multilevel Inverter For Renewable Energy Conversion System," 2019 IEEE International Conference on Electrical, Computer and Communication Technologies (ICECCT), 2019, pp. 1-6, doi: 10.1109/ICECCT.2019.8869420.
Tapas Roy, S. Majhee, A. Dasgupta and A. Chakraborty, "A Novel Step-Up Multilevel Inverter Based On Switched-Capacitor Technique For Renewable Energy Conversion System," 2019 IEEE International Conference on Sustainable Energy Technologies and Systems (ICSETS), 2019, pp. 097-102, doi: 10.1109/ICSETS.2019.8745207.
S. Debata, Tapas Roy, S. Sahu, T. N. Sekhar and A. Dasgupta, "Development, Analysis and Simulation Study of a Novel Switched Capacitor Multilevel Inverter Structure for Different DC Source Configurations," 2018 International Conference on Recent Innovations in Electrical, Electronics & Communication Engineering (ICRIEECE), 2018, pp. 3140-3145, doi: 10.1109/ICRIEECE44171.2018.9009250.
R. Rout, Tapas Roy, T. R. Choudhury, B. Nayak and B. Mishra, "Analysis and Implementation of a Novel Multilevel Inverter Structure Using Reduced Power Electronic Switches and DC Sources," 2018 International Conference on Recent Innovations in Electrical, Electronics & Communication Engineering (ICRIEECE), 2018, pp. 3135-3139, doi: 10.1109/ICRIEECE44171.2018.9009206.
A. Chakraborty, Tapas Roy, S. Majhee and A. Dasgupta, "A Novel Reduced Device Count Multilevel Inverter Structure using Non-isolated Power Supplies," 2018 8th IEEE India International Conference on Power Electronics (IICPE), 2018, pp. 1-6, doi: 10.1109/IICPE.2018.8709502.
R. Rout, Tapas Roy, T. R. Choudhury and B. Nayak, "A Novel Structure of Cascaded Multilevel Inverter with High Voltage Level Generation Capability using Reduced Components," 2018 National Power Engineering Conference (NPEC), 2018, pp. 1-5, doi: 10.1109/NPEC.2018.8476791.
Diptish Saha, Tapas Roy, Sitakant Debata “Closed Loop Control of a Novel Three Phase Switched Capacitor Multilevel Inverter using Model Predictive Control Technique”, 6th National Power Engineering Conference-2018 (NPEC-18), Madurai, India.
Diptish Saha, and Tapas Roy, “A New Symmetrical Three Phase Multilevel Inverter using Switched Capacitor Basic Units for Renewable Energy Conversion Systems”, International Conference on Control, Power Communication and Computing Technologies (ICCPCCT-2018), March 22-23, 2018, Kannur, India.
Diptish Saha, and Tapas Roy, “Implementation of Model Predictive Control for Conventional Switched Capacitor Multilevel Inverter to Reduce Input Current Peak and Capacitor Voltage Ripple”, IEEE’s 3rd International Conference for Convergence in Technology (I2CT), April 6-8, 2018, Pune, India.
Saikat Kumar Maity, Tapas Roy, Diptish Saha, “A Novel Structure of Cascaded Multilevel Inverter with Reduced Device Count”, IEEE Calcutta Conference 2017 (CALCON – 2017), Dec. 2-3, 2017, Kolkata, India.
S. Debatal, Tapas Roy, A. Dasgupta and P. K. Sadhu, "A Novel Structure of Switched Capacitor Multilevel Inverter with Reduced Device Count," 2018 National Power Engineering Conference (NPEC), 2018, pp. 1-6, doi: 10.1109/NPEC.2018.8476699.
S. K. Maity and Tapas Roy, "A study of symmetrical and various asymmetrical DC source configurations of a novel cascaded multilevel inverter topology," 2018 Technologies for Smart-City Energy Security and Power (ICSESP), 2018, pp. 1-5, doi: 10.1109/ICSESP.2018.8376715.
S. Saha, S. Behera, Tapas Roy and B. Nayak, "Application of nested topology of multilevel inverter in closed loop control of induction motor drives," 2017 Second International Conference on Electrical, Computer and Communication Technologies (ICECCT), 2017, pp. 1-6, doi: 10.1109/ICECCT.2017.8117988.
Tapas Roy, N. Aarzoo, P. K. Sadhu, C. Jena and S. Mohapatra, "A novel symmetrical switched capacitor based three-phase cascaded multi-level inverter," 2016 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), 2016, pp. 1-6, doi: 10.1109/PEDES.2016.7914282.
P. Priyadarsini, Tapas Roy, S. Mohapatra and P. K. Sadhu, "Analysis and simulation study of extended boost z-source sparse matrix converter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853141.
B. Mandal, Tapas Roy, S. Agarwal and P. K. Sadhu, "Switched Capacitor Z-Source Inverter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853139.
S. Karmakar, Tapas Roy, P. K. Sadhu and S. Mondal, "Analysis and simulation of a new topology of single phase multi-level inverter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853111.
D. Nanda, Tapas Roy and P. K. Sadhu, "Comparison study of different pulse width modulation techniques for Extended boost Z-source inverter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853172.
S. Mondal, Tapas Roy, A. Dasgupta and P. K. Sadhu, "Study of a new single phase multilevel inverter based on switched capacitor units," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-4, doi: 10.1109/ICPEICES.2016.7853173.
S. DebBarman and Tapas Roy, "Advanced Pulse Width Modulation technique for Z-Source Inverter," 2014 IEEE 6th India International Conference on Power Electronics (IICPE), 2014, pp. 1-6, doi: 10.1109/IICPE.2014.7115850.
D. Roy and Tapas Roy, "A new technique to implement conventional as well as advanced Pulse Width Modulation techniques for multi-level inverter," 2014 IEEE 6th India International Conference on Power Electronics (IICPE), 2014, pp. 1-6, doi: 10.1109/IICPE.2014.7115852.
Tapas Roy, and P. K. Sadhu, “A Novel 7-Level Switched-Capacitor Multilevel Inverter with Reduced Components for Renewable Energy Conversion Systems” in Innovation in Electrical Power Engineering, Communication, and Computing Technology. Lecture Notes in Electrical Engineering, vol 814 2022 Springer, Singapore. https://doi.org/10.1007/978-981-16-7076-3_38.
A. Acharya, L. Nanda, Tapas Roy, B. Misra, “Boost Converter with Generalized Quadratic Boosting Cell with Reduced Capacitor Voltage Stresses”, in Advances in Smart Grid and Renewable Energy. ETAEERE 2020. Lecture Notes in Electrical Engineering, vol 691. Springer, Singapore. https://doi.org/10.1007/978-981-15-7511-2_8.
M.W. Tesfay, Tapas Roy, S. Das, “A Novel Single-Phase Switched Capacitor Multilevel Inverter with Voltage Boosting Ability for Renewable Applications” in Advances in Smart Grid and Renewable Energy. ETAEERE 2020. Lecture Notes in Electrical Engineering, vol 691. Springer, Singapore. https://doi.org/10.1007/978-981-15-7511-2_10
I. Das and Tapas Roy, "A new Multi-Device Boost Converter topology with reduced switching stress and high voltage gain," Michael Faraday IET International Summit 2015, 2015, pp. 380-386, doi: 10.1049/cp.2015.1662.
R. K. Dhal and Tapas Roy, "A Comparative Study between different Multilevel Inverter Topologies for different types of bus clamping PWM techniques using six region selection algorithm," Michael Faraday IET International Summit 2015, 10.1049/cp.2015.1664.
Tapas Roy, Pavan Kumar Hari, and G Narayanan, “ Study on the Effect of Dead Time and Its Compensation for Bus-Clamping PWM Techniques, In National Power Electronics Conference (NPEC) 20-22 December, 2013, IIT Kanpur.
A. Abhishek, R. Patel, Tapas Roy, C. K. Panigrahi and V. Khadkikar, "Improved High Gain Quadratic Boost Converter Using Voltage Lifting Technique and Reduced Voltage Stress," 2023 IEEE 3rd International Conference on Sustainable Energy and Future Electric Transportation (SEFET), Bhubaneswar, India, 2023, pp. 1-6, doi: 10.1109/SeFeT57834.2023.10245660.
S. Behera, R. Patel, B. Nayak and Tapas Roy, "High Gain Modified Quadratic Boost-Cuk Converter with L-Impedance Network for Fuel Cell Application," 2023 IEEE 3rd International Conference on Sustainable Energy and Future Electric Transportation (SEFET), Bhubaneswar, India, 2023, pp. 1-6, doi: 10.1109/SeFeT57834.2023.10244914.
Patent Granted and Published
A Photovoltaic Integrated System and Method For Heating Metallic Appliances under Variable Load Conditions (Patent Application No-201731040937, Patent No-409799) Granted
in 2021
Solar Based Hybrid Heating System And Method With Variable Load Conditions For Low-Wattage Metallic Appliances (Patent Application No-201731034927) Published in 2019
An Economical 7 Level Multilevel Inverter Based On Switched Capacitor Technique (Patent Application No-202331001897) Published in 2023
Hardware Experience
Study on Dead Time Effect and its Compensation for Bus Clamping PWM technique : a two-level MOSFET based three-phase VSI is designed and developed on printed circuit board (PCB) for this study. The control pulses are generated by DSP processor. 2012
Development of 7 level 3 phase switched capacitor based Multilevel inverter: The hardware prototype has been developed using MOSFET switches. The control pulses have been generated by ATmega 328 microcontroller. 2016
Development of 7-level 1 phase two step boost ability switched capacitor multilevel inverter: A laboratory prototype has been designed and developed. High frequency Inductors have been designed and built at the lab. The control pulses have been generated by ATmega 328 microcontroller. 2017
Development of 21-level 1 phase switched capacitor Multilevel Inverter: A 21 level MOSFET based SCMLI has been developed and tested at laboratory. The control pulses have been generated by Dspace 1104. 2018
Development of 13 level single phase SCMLIs, Development of 7 level high boost SCMLI: MOSFET based 7 level and 13 level SCMLIs have been developed and test in the laboratory. These topologies have been published in IEEE Transactions. The control pulses have been generated by Dspace 1104 as well as ATmega 328 microcontroller. 2020-21
Publications
SCI Journal Publications:
Tapas Roy, P. K. Sadhu and A. Dasgupta, "Cross-Switched Multilevel Inverter Using Novel Switched Capacitor Converters," in IEEE Transactions on Industrial Electronics, vol. 66, no. 11, pp. 8521-8532, Nov. 2019, doi: 10.1109/TIE.2018.2889632.
Tapas Roy and P. K. Sadhu, "A Step-Up Multilevel Inverter Topology Using Novel Switched Capacitor Converters With Reduced Components," in IEEE Transactions on Industrial Electronics, vol. 68, no. 1, pp. 236-247, Jan. 2021, doi: 10.1109/TIE.2020.2965458.
Tapas Roy, M. W. Tesfay, B. Nayak and C. K. Panigrahi, "A 7-Level Switched Capacitor Multilevel Inverter With Reduced Switches and Voltage Stresses," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 68, no. 12, pp. 3587-3591, Dec. 2021, doi: 10.1109/TCSII.2021.3078903.
Tapas Roy, P. K. Sadhu and C. K. Panigrahi, A switched-capacitor-based step-up multilevel inverter and its cascaded configuration using reduced number of components. International Transactions on Electrical Energy Systems, 31(2), 1-23, DOI: 10.1002/2050-7038.12721.
Tapas Roy and P. K. Sadhu, "A novel symmetric switched capacitor multilevel inverter using non-isolated power supplies with reduced number of components". in Sādhanā, vol. 45, no. 1, pp 111-122, May 2020. https://doi.org/10.1007/s12046-020-01357-7.
Tapas Roy et. al., “Step-up switched capacitor multilevel inverter with a cascaded structure in asymmetric dc source configuration.” Journal of power electronics, 18(4), 2018, 1051-1066. DOI: 10.6113/JPE.2018.18.4.1051.
Tapas Roy, P. K. Sadhu, and A. Dasgupta, “A new single phase multilevel inverter topology with two-step voltage boosting capability. Journal of power electronics, 17(5), 2017, 1173-1185. DOI: 10.6113/JPE.2017.17.5.1173.
Tapas Roy and Pradip K Sadhu, “A step-up multilevel inverter with reduced devices and input current ripple” International Journal of Electronics, 2022 (article in press) DOI: 10.1080/00207217.2022.2140837.
Tapas Roy, Sitakant Debata and Pradip K Sadhu, “A high boost switched capacitor multilevel inverter with reduced components” International Journal of Electronics, 2023 (article in press) DOI: 10.1080/00207217.2023.2248664.
SCOPUS Journal Publications:
Tapas Roy et. al., “A Novel Three Phase Multilevel Inverter Structure using Switched Capacitor Basic Unit for Renewable Energy Conversion Systems” International Journal of Power Electronics, 10(1/2), 133 - 154, 2019. DOI:10.1504/IJPELEC.2019.096818.
Tapas Roy, Neha Aarzoo, Abhijit Dasgupta, “Development of generalised and optimum structures of a multilevel inverter using switched capacitor technique for renewable energy conversion systems”International Journal of Power Electronics, 14(1), 169 - 197, 2021. DOI:10.1504/IJPELEC.2021.116649.
D Roy, M Singh and Tapas Roy, “ A Novel Approach for Space Vector Based PWM Algorithm for Diode Clamped Three level VSI Fed Induction Motor Drive”, in International Journal of Power Electronics and Drive System, 8(4), 1534-1547, 2017.
Gashaw Ango, Tapas Roy, and Pradip Kumar Sadhu, “ A Novel Switched Capacitor Based Multilevel Inverter Structure for Renewable Energy Conversion System, in International Journal of Power Electronics, 16(1), 1-33, 2022.
Conference Publications:
P. R. Mishra, S. Jha and Tapas Roy, "A Novel 15-Level Asymmetric Modified T-Type Inverter with Reduced Device count," 2021 IEEE 18th India Council International Conference (INDICON), 2021, pp. 1-6, doi: 10.1109/INDICON52576.2021.9691644.
S. K. Swain, Tapas Roy, T. R. Choudhury and S. Mohapatra, "A Step-up Multilevel Inverter Structure using Switched Capacitor technique with Non-isolated Power Sources and Reduced Devices," 2021 1st International Conference on Power Electronics and Energy (ICPEE), 2021, pp. 1-6, doi: 10.1109/ICPEE50452.2021.9358617.
M. W. Tesfay, Tapas Roy, S. K. Swain and L. Nanda, "A Novel Step-up 7L Switched-Capacitor Multilevel Inverter and Its Extended Structure," 2021 1st International Conference on Power Electronics and Energy (ICPEE), 2021, pp. 1-6, doi: 10.1109/ICPEE50452.2021.9358651.
S. Majhee, Tapas Roy, A. Chakraborty and T. N. S. C. Sekhar, "Analysis and Development of A Novel Step-up 17 Level Switched Capacitor Multilevel Inverter For Renewable Energy Conversion System," 2019 IEEE International Conference on Electrical, Computer and Communication Technologies (ICECCT), 2019, pp. 1-6, doi: 10.1109/ICECCT.2019.8869420.
Tapas Roy, S. Majhee, A. Dasgupta and A. Chakraborty, "A Novel Step-Up Multilevel Inverter Based On Switched-Capacitor Technique For Renewable Energy Conversion System," 2019 IEEE International Conference on Sustainable Energy Technologies and Systems (ICSETS), 2019, pp. 097-102, doi: 10.1109/ICSETS.2019.8745207.
S. Debata, Tapas Roy, S. Sahu, T. N. Sekhar and A. Dasgupta, "Development, Analysis and Simulation Study of a Novel Switched Capacitor Multilevel Inverter Structure for Different DC Source Configurations," 2018 International Conference on Recent Innovations in Electrical, Electronics & Communication Engineering (ICRIEECE), 2018, pp. 3140-3145, doi: 10.1109/ICRIEECE44171.2018.9009250.
R. Rout, Tapas Roy, T. R. Choudhury, B. Nayak and B. Mishra, "Analysis and Implementation of a Novel Multilevel Inverter Structure Using Reduced Power Electronic Switches and DC Sources," 2018 International Conference on Recent Innovations in Electrical, Electronics & Communication Engineering (ICRIEECE), 2018, pp. 3135-3139, doi: 10.1109/ICRIEECE44171.2018.9009206.
A. Chakraborty, Tapas Roy, S. Majhee and A. Dasgupta, "A Novel Reduced Device Count Multilevel Inverter Structure using Non-isolated Power Supplies," 2018 8th IEEE India International Conference on Power Electronics (IICPE), 2018, pp. 1-6, doi: 10.1109/IICPE.2018.8709502.
R. Rout, Tapas Roy, T. R. Choudhury and B. Nayak, "A Novel Structure of Cascaded Multilevel Inverter with High Voltage Level Generation Capability using Reduced Components," 2018 National Power Engineering Conference (NPEC), 2018, pp. 1-5, doi: 10.1109/NPEC.2018.8476791.
Diptish Saha, Tapas Roy, Sitakant Debata “Closed Loop Control of a Novel Three Phase Switched Capacitor Multilevel Inverter using Model Predictive Control Technique”, 6th National Power Engineering Conference-2018 (NPEC-18), Madurai, India.
Diptish Saha, and Tapas Roy, “A New Symmetrical Three Phase Multilevel Inverter using Switched Capacitor Basic Units for Renewable Energy Conversion Systems”, International Conference on Control, Power Communication and Computing Technologies (ICCPCCT-2018), March 22-23, 2018, Kannur, India.
Diptish Saha, and Tapas Roy, “Implementation of Model Predictive Control for Conventional Switched Capacitor Multilevel Inverter to Reduce Input Current Peak and Capacitor Voltage Ripple”, IEEE’s 3rd International Conference for Convergence in Technology (I2CT), April 6-8, 2018, Pune, India.
Saikat Kumar Maity, Tapas Roy, Diptish Saha, “A Novel Structure of Cascaded Multilevel Inverter with Reduced Device Count”, IEEE Calcutta Conference 2017 (CALCON – 2017), Dec. 2-3, 2017, Kolkata, India.
S. Debatal, Tapas Roy, A. Dasgupta and P. K. Sadhu, "A Novel Structure of Switched Capacitor Multilevel Inverter with Reduced Device Count," 2018 National Power Engineering Conference (NPEC), 2018, pp. 1-6, doi: 10.1109/NPEC.2018.8476699.
S. K. Maity and Tapas Roy, "A study of symmetrical and various asymmetrical DC source configurations of a novel cascaded multilevel inverter topology," 2018 Technologies for Smart-City Energy Security and Power (ICSESP), 2018, pp. 1-5, doi: 10.1109/ICSESP.2018.8376715.
S. Saha, S. Behera, Tapas Roy and B. Nayak, "Application of nested topology of multilevel inverter in closed loop control of induction motor drives," 2017 Second International Conference on Electrical, Computer and Communication Technologies (ICECCT), 2017, pp. 1-6, doi: 10.1109/ICECCT.2017.8117988.
Tapas Roy, N. Aarzoo, P. K. Sadhu, C. Jena and S. Mohapatra, "A novel symmetrical switched capacitor based three-phase cascaded multi-level inverter," 2016 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), 2016, pp. 1-6, doi: 10.1109/PEDES.2016.7914282.
P. Priyadarsini, Tapas Roy, S. Mohapatra and P. K. Sadhu, "Analysis and simulation study of extended boost z-source sparse matrix converter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853141.
B. Mandal, Tapas Roy, S. Agarwal and P. K. Sadhu, "Switched Capacitor Z-Source Inverter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853139.
S. Karmakar, Tapas Roy, P. K. Sadhu and S. Mondal, "Analysis and simulation of a new topology of single phase multi-level inverter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853111.
D. Nanda, Tapas Roy and P. K. Sadhu, "Comparison study of different pulse width modulation techniques for Extended boost Z-source inverter," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-6, doi: 10.1109/ICPEICES.2016.7853172.
S. Mondal, Tapas Roy, A. Dasgupta and P. K. Sadhu, "Study of a new single phase multilevel inverter based on switched capacitor units," 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES), 2016, pp. 1-4, doi: 10.1109/ICPEICES.2016.7853173.
S. DebBarman and Tapas Roy, "Advanced Pulse Width Modulation technique for Z-Source Inverter," 2014 IEEE 6th India International Conference on Power Electronics (IICPE), 2014, pp. 1-6, doi: 10.1109/IICPE.2014.7115850.
D. Roy and Tapas Roy, "A new technique to implement conventional as well as advanced Pulse Width Modulation techniques for multi-level inverter," 2014 IEEE 6th India International Conference on Power Electronics (IICPE), 2014, pp. 1-6, doi: 10.1109/IICPE.2014.7115852.
Tapas Roy, and P. K. Sadhu, “A Novel 7-Level Switched-Capacitor Multilevel Inverter with Reduced Components for Renewable Energy Conversion Systems” in Innovation in Electrical Power Engineering, Communication, and Computing Technology. Lecture Notes in Electrical Engineering, vol 814 2022 Springer, Singapore. https://doi.org/10.1007/978-981-16-7076-3_38.
A. Acharya, L. Nanda, Tapas Roy, B. Misra, “Boost Converter with Generalized Quadratic Boosting Cell with Reduced Capacitor Voltage Stresses”, in Advances in Smart Grid and Renewable Energy. ETAEERE 2020. Lecture Notes in Electrical Engineering, vol 691. Springer, Singapore. https://doi.org/10.1007/978-981-15-7511-2_8.
M.W. Tesfay, Tapas Roy, S. Das, “A Novel Single-Phase Switched Capacitor Multilevel Inverter with Voltage Boosting Ability for Renewable Applications” in Advances in Smart Grid and Renewable Energy. ETAEERE 2020. Lecture Notes in Electrical Engineering, vol 691. Springer, Singapore. https://doi.org/10.1007/978-981-15-7511-2_10
I. Das and Tapas Roy, "A new Multi-Device Boost Converter topology with reduced switching stress and high voltage gain," Michael Faraday IET International Summit 2015, 2015, pp. 380-386, doi: 10.1049/cp.2015.1662.
R. K. Dhal and Tapas Roy, "A Comparative Study between different Multilevel Inverter Topologies for different types of bus clamping PWM techniques using six region selection algorithm," Michael Faraday IET International Summit 2015, 10.1049/cp.2015.1664.
Tapas Roy, Pavan Kumar Hari, and G Narayanan, “ Study on the Effect of Dead Time and Its Compensation for Bus-Clamping PWM Techniques, In National Power Electronics Conference (NPEC) 20-22 December, 2013, IIT Kanpur.
A. Abhishek, R. Patel, Tapas Roy, C. K. Panigrahi and V. Khadkikar, "Improved High Gain Quadratic Boost Converter Using Voltage Lifting Technique and Reduced Voltage Stress," 2023 IEEE 3rd International Conference on Sustainable Energy and Future Electric Transportation (SEFET), Bhubaneswar, India, 2023, pp. 1-6, doi: 10.1109/SeFeT57834.2023.10245660.
S. Behera, R. Patel, B. Nayak and Tapas Roy, "High Gain Modified Quadratic Boost-Cuk Converter with L-Impedance Network for Fuel Cell Application," 2023 IEEE 3rd International Conference on Sustainable Energy and Future Electric Transportation (SEFET), Bhubaneswar, India, 2023, pp. 1-6, doi: 10.1109/SeFeT57834.2023.10244914.
Patent Granted and Published
A Photovoltaic Integrated System and Method For Heating Metallic Appliances under Variable Load Conditions (Patent Application No-201731040937, Patent No-409799) Granted
in 2021
Solar Based Hybrid Heating System And Method With Variable Load Conditions For Low-Wattage Metallic Appliances (Patent Application No-201731034927) Published in 2019
An Economical 7 Level Multilevel Inverter Based On Switched Capacitor Technique (Patent Application No-202331001897) Published in 2023
Hardware Experience
Study on Dead Time Effect and its Compensation for Bus Clamping PWM technique : a two-level MOSFET based three-phase VSI is designed and developed on printed circuit board (PCB) for this study. The control pulses are generated by DSP processor. 2012
Development of 7 level 3 phase switched capacitor based Multilevel inverter: The hardware prototype has been developed using MOSFET switches. The control pulses have been generated by ATmega 328 microcontroller. 2016
Development of 7-level 1 phase two step boost ability switched capacitor multilevel inverter: A laboratory prototype has been designed and developed. High frequency Inductors have been designed and built at the lab. The control pulses have been generated by ATmega 328 microcontroller. 2017
Development of 21-level 1 phase switched capacitor Multilevel Inverter: A 21 level MOSFET based SCMLI has been developed and tested at laboratory. The control pulses have been generated by Dspace 1104. 2018
Development of 13 level single phase SCMLIs, Development of 7 level high boost SCMLI: MOSFET based 7 level and 13 level SCMLIs have been developed and test in the laboratory. These topologies have been published in IEEE Transactions. The control pulses have been generated by Dspace 1104 as well as ATmega 328 microcontroller. 2020-21
Honors and awards
Recipient of “Distinguish Reviewer of 2019” from IEEE Transactions on Industrial Electronics.
2020
Best Paper Presentation Award at 2nd International Conference on ‘Innovation in Electrical Power Engineering, Communication and Computing Technology (IEPCCT) 2021’ organized by Department of Electrical Engineering, Faculty of Engineering and Technology (ITER), Siksha ‘O’ Anusandhan (Deemed to be University), Bhubaneswar, Odisha (springer conference)
2021