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Anubrata Dey
Associate Professor
anubrata.dey[at]ee.iitr.ac.in
Research Interests

Biosketch
Educational Details
Professional Background

Research
Projects
Publications
Patents
Books
Collaborations

Honours and Awards
Honors
Memberships

Teaching Engagements
Teaching Engagements

Students
Supervisions
Associate Scholars

Miscellaneous
Events
Visits
Administrative Positions
Miscellaneous
Research Interests
-Grid connection of renewable energy sources using power electronics interfaces, -Transformerless solar Inverters, -Fault identification and fault-tolerant converters, -Planner transformer design, - Pulse width modulation techniques, -Multilevel Converters, -Modular Multilevel Converter, -Variable speed Drives, -EV applications, -DC/DC converters
BioSketch
Educational Details
DESE, Indian Institute of Science, Bangalore
2012
PhD, Constant Switching Frequency Hysteresis Current Controller for Multilevel VSI fed IM Drive
Bengal Engineering and Science University, Shibpur
2005
M.E. (Control System in EE), Sensorless operation of PMSM using observers
Jalpaiguri Govt Engg College, NBU
2002
B.E., Electrical Enginnering
Professional Background
Associate Professor
18 Mar 2021 - Present
IIT Roorkee
Assistant Professor
28 Jan 2015 - 17 Mar 2021
IIT Roorkee
Sr Engineer & consultant
01 Jan 2014 - 01 Jan 2015
Crompton Greaves Global R&D, Mumbai
Research Fellow
01 Jan 2012 - 01 Jan 2014
University of Nottingham, UK
Technologist
01 Jan 2008 - 01 Jan 2009
GE India Pvt Ltd, Bangalore
Scientist
01 Jan 2006 - 01 Jan 2008
ISRO Satellite Center, Bangalore
Research
Projects
TOPIC START DATE FIELD DESCRIPTION FINANCIAL OUTLAY FUNDING AGENCY OTHER OFFICERS
A solar-battery based smart and modular power supply integrated with local grid system 10 Oct 2023 Power Electronics Converter Design (as PI) 40L MoE-STARS
A fault tolerant converter interface for enhanced inertia supported hybrid RES integration to a weak grid 20 Jan 2024 Power Electronics domain (as PI) 38L SERB-DST
A smart solar PV based power supply system suitable for both grid and islanded mode 01 Jan 2017 PV Converter (as PI) 50L DST, GoI
Power converters for Renewable Source and power quality improvement in Distributed Generation system 01 Jan 2015 Power converters for Renewable Source and power quality improvement in Distributed Generation system (as PI) FIG IITR
Feasibility study for customization of DSLIM drive and Co-simulation of DSLIM and drive 01 Jan 2025 Linear Induction Motor (as Co-PI) 10 Lakhs DRDO




Patents
 

Indian Patents:

1. Criss-cross winding pattern for reducing parasitic capacitance in planar winding assembly (regular patent) by Anubrata Dey, Shashank Mishra, and Priyangsi Dey; DoF: 13-07-2024

2. A single-phase five-level transformerless solar photovoltaic grid-connected inverter (regular patent) by Anubrata Dey, and Sanket Subhash Tambe; DoF: 30-04-2024

3. A constant switching frequency based current controller for grid connected 3-phase voltage source inverter with L or LCL filter (regular patent) by Anubrata Dey, Ravi Varma, and Biswarup Das; DoF: 07-03-2024

Publications

Journal Papers:

-          R. Chaki and Anubrata Dey, "Open Circuit Fault Identification Technique for Switch and Diode in a Reduced Sensor based Medium voltage MMC,"  in IEEE Transactions on Industrial Electronics (Accepted).

-          V. Chapparya, Anubrata Dey, J. Rodriguez, and C. Garcia, “Switch Failure Detection and Identification Using Diode Current for Single Switch DC-DC Converters,” in IEEE Journal of Emerging and Selected Topics in Power Electronics (Accepted).

-          R. Chaki, S. Tambe, and Anubrata Dey, “A reduced switching space vector modulation for medium voltage grid connected MMC,” in ELSEVIER (Electric Power Systems Research), Volume 241, 2025, 111322, ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2024.111322.

-          R. Goel, D. Etta, R. V. Chavali and Anubrata Dey, "A fault tolerant modulation scheme for a hybrid multilevel inverter in the event of open-switch fault," in IEEE Transactions on Power Electronics, 2024, doi: 10.1109/TPEL.2024.3486006. 

-          R. Chaki and Anubrata Dey, "Current Observation and Voltage Prediction Scheme for a Reduced Sensor based Medium Voltage MMC," in IEEE Transactions on Industry Applications, 2024, doi: 10.1109/TIA.2024.3471998.

-          R. V. Chavali, Anubrata Dey and B. Das, "An abc Reference Frame Hysteresis Current Controller for Grid Connected Converter With Constant Switching Frequency Operation," in IEEE Transactions on Industrial Electronics, 2024, doi: 10.1109/TIE.2024.3426043.

-          R. V. Chavali, Anubrata Dey, B. Das, “A performance comparison of hysteresis current control techniques for D-STATCOM application,” in ELSEVIER (Electric Power Systems Research), Volume 234, 2024, 110519, ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2024.110519.

-          R. Goel and Anubrata Dey, "A Higher Level Inverter Fed Induction Motor Drive: Its Operational Challenges and PWM Solution," in IEEE Transactions on Industrial Electronics, vol. 71, no. 9, pp. 10039-10049, Sept. 2024, doi: 10.1109/TIE.2023.3317838.

-          V. Chapparya, Anubrata Dey and S. P. Singh, "A Novel Non-Isolated Boost-Zeta Interleaved DC-DC Converter for Low Voltage Bipolar DC Micro-Grid Application," in IEEE Transactions on Industry Applications, vol. 59, no. 5, pp. 6182-6192, Sept.-Oct. 2023, doi: 10.1109/TIA.2023.3284810. 

-          R. Chakraborty, P. M. Gajare, R. Chaki, Anubrata Dey, “A simplified dual-stage model predictive controller for modular multilevel converters,” in ELSEVIER (Electric Power Systems Research), Volume 223, 2023, 109525, ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2023.109525.

-          J. Samantaray, R. Chakraborty, Anubrata Dey and S. Chakrabarty, "An Exponential Power Rate Discrete-Time Sliding Mode Observer for a Modular Multilevel Converter," in IEEE Transactions on Industrial Electronics, vol. 71, no. 8, pp. 8227-8236, Aug. 2024, doi: 10.1109/TIE.2023.3317844.

-          J. Samantaray, R. Chakraborty, Anubrata Dey and S. Chakrabarty, "Lyapunov-Based Capacitor Voltage Observation of Modular Multilevel Converters," in IEEE Transactions on Industrial Electronics, vol. 70, no. 3, pp. 3024-3034, March 2023, doi: 10.1109/TIE.2022.3172779.

-          J. Samantaray, R. Chakraborty, Anubrata Dey and S. Chakrabarty, "Discrete Time Adaptive Observer for Capacitor Voltage Estimation of MMC," in IEEE Transactions on Industry Applications, vol. 58, no. 6, pp. 7490-7498, Nov.-Dec. 2022, doi: 10.1109/TIA.2022.3200647.

-          R. Goel, T. T. Davis and Anubrata Dey, "Thirteen-Level Multilevel Inverter Structure Having Single DC Source and Reduced Device Count," in IEEE Transactions on Industry Applications, vol. 58, no. 4, pp. 4932-4942, July-Aug. 2022, doi: 10.1109/TIA.2022.3172893.

-          R. V. Chavali, Anubrata Dey and Biswarup Das, "A Hysteresis Current Controller PWM Scheme Applied to Three-Level NPC Inverter for Distributed Generation Interface," in IEEE Transactions on Power Electronics, vol. 37, no. 2, pp. 1486-1495, Feb. 2022.

-          R. Chakraborty, J. Samantaray, Anubrata Dey and S. Chakrabarty, "Capacitor Voltage Estimation of MMC Using a Discrete-Time Sliding Mode Observer Based on Discrete Model Approach," in IEEE Transactions on Industry Applications, vol. 58, no. 1, pp. 494-504, Jan.-Feb. 2022.

-          R. Chakraborty and Anubrata Dey, "Circulating Current Control of Modular Multilevel Converter With Reduced Conduction Loss for Medium-Voltage Applications," in IEEE Transactions on Industrial Electronics, vol. 68, no. 10, pp. 9014-9023, Oct. 2021.

-           R. Chaki, M. Ghosh, G.K. Panda, P.K.Saha, Anubrata Dey, and A. Banerjee, “An Improved Dimmable LED Driving Scheme with Low Flicker Metrics for Low Voltage Application,” in ELSEVIER (Electric Power Systems Research)Vol. 187, October 2020, 106433.

-          T. T. Davis, T. Joseph and Anubrata Dey, "A Capacitor Voltage Balancing Scheme for Single-Source Fed Switch Optimized Three-Phase Nine-Level Inverter," in IEEE Transactions on Industrial Electronics, vol. 68, no. 5, pp. 3652-3661, May 2021, doi: 10.1109/TIE.2020.2982092.

-          T. T. Davis and Anubrata Dey, "Enhanced Floating Capacitor Voltage Balancing Schemes for Single Source 7-Level Inverters with Capacitor Fed H-bridge Units," in IEEE Transactions on Industrial Electronics vol. 67, no. 8, pp. 6227-6236, August, 2020.

-          T. T. Davis and Anubrata Dey, "A Neutral Point Voltage balancing Scheme with Improved Transient Performance for 5-Level ANPC and TNPC Inverters," in IEEE Transactions on Power Electronics, vol. 34, no. 12, pp. 12513-12523, December, 2019.

-          T. T. Davis, and Anubrata Dey, “Investigation on Extending the DC Bus Utilization of a Single-Source Five-Level Inverter With Single Capacitor-Fed H-Bridge Per Phase,” in IEEE Transactions on Power Electronics. Vol.34 , no. 3, pp. 2914 – 2922, March, 2019.

-          N.A. Azeez, Anubrata Dey, K. Mathew, J. Mathew, K. Gopakumar and Marian P. Kazmierkowski,  “A Medium Voltage Inverter Fed IM Drive using Multilevel 12-sided polygonal Vectors, with Nearly Constant Switching Frequency Current Hysteresis Controller,” in IEEE Transactions on Industrial Electronics, vol.61, no.4, pp.1700-1709, 2014.

-          Anubrata Dey, Rajeevan P.P, R. Ramchand, K. Mathew, and K. Gopakumar, “A Space Vector based Hysteresis Current Controller for a General n-level Inverter Fed Drive with Nearly Constant Switching Frequency Control,” in IEEE Transactions on Industrial Electronics, vol.60, no.5, pp.1989-1998, 2013.

-          Anubrata Dey, Najath Abdul Azeez, K. Mathew, K. Gopakumar, and Marian P. Kazmierkowski, “A Hysteresis Current Controller for a General n-level Inverter fed Drive with Online Current Error Boundary Computation and Nearly Constant Switching Frequency,” in IET Power Electronics, vol.6, no.8, pp.1640-1649, 2013. 

-          Anubrata Dey, K. Mathew, K. Gopakumar, and Marian P. Kazmierkowski,“Nearly Constant Switching Frequency Hysteresis Current controller with fast online computation Of  online Boundary for a 2-level VSI Fed IM,” in European Power Electronics and Drives Journal (EPE Journal) Vol. 23, No. 3, 2013.

-          N.A. Azeez, Anubrata Dey, K. Mathew, J. Mathew, and K. Gopakumar, “A Nearly Constant Switching Frequency Current Error Space Vector Based Hysteresis Controller for an IM Drive with 12-Sided Polygonal Voltage Space Vectors,” in European Power Electronics and Drives Journal (EPE Journal) Vol. 23, No. 4, 2013.

-          K. Mathew, K. Gopakumar, J. Mathew, N.A. Azeez, Anubrata Dey, and L. Umanand, “Medium Voltage Drive for Induction Motors Using Multilevel Octadecagonal Voltage Space Vectors,” in IEEE Transactions on Power Electronics, vol.28, no.7, pp.3573-3580, 2013.

-          K. Mathew, J. Mathew, N.A. Azeez, Anubrata Dey, L. Umanand, and K. Gopakumar, “Multilevel dodecagonal space-vector generation for induction motor drives by cascading three-level and two-level inverters,” in IET Power Electronics, vol.5, no.8, pp. 1324 - 1332, 2012. 

-          C. Patel, Rajeevan P. P., Anubrata Dey, R. Ramchand,K. Gopakumar, andMarian P. Kazmierkowski, “Fast Direct Torque Control of an Open-End Induction Motor Drive Using 12-Sided Polygonal Voltage Space Vectors,” in IEEE Transactions on Power Electronics, vol.27, no.1, pp.400-410, 2012. 

 

 

Recent Conference Papers:

-          -          S. Mishra, and A. Dey, " A Planar Transformer Winding Configuration for High Frequency DAB Converter with Common-Mode EMI Mitigation," to be presented at 2025 ECCE ASIA, Bengaluru, India in May, 2025.

-          S. Mishra, and A. Dey, "X-type Planar Winding Arrangement Having Low Intrawinding Capacitance," to be presented at 2025 ECCE ASIA, Bengaluru, India in May, 2025.

-          V. Chapparya, A. Dey, S Singh, J. Rodriguez, and C. Garcia, “Switch Fault Diagnosis in Single Switch DC-DC Converters,” 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems, Mangalore, India, 2024.

-          S. Tambe, and A. Dey, “Comparative Study of Single-Phase Five-Level Transformerless Solar PV Grid-Connected Inverters,” 2024 IEEE International Conference on Power Electronics, Drives and Energy Systems, Mangalore, India, 2024.

-          R. Chaki and A. Dey, “Medium Voltage Grid Connected MMC Operation with Reduced Sensors and Open Circuit Fault Diagnosis Feature,” 2024 IEEE 11th Power India International Conference (PIICON), Jaipur, India, 2024.

-          S. Mishra, A. Dey and A. K. Yadav, "Design of an Integrated Solar-Battery Based Power Supply Connected to Local Grid," 2024 IEEE 4th International Conference on Sustainable Energy and Future Electric Transportation (SEFET), Hyderabad, India, 2024.

-          V. Chapparya, A. Dey and S. P. Singh, "Non-zero inductor current based DCM analysis for combined DC-DC converters," 2023 IEEE International Conference on Power Electronics, Smart Grid, and Renewable Energy (PESGRE), Trivandrum, India, 2023.

-          A. Kumar, R. Chavali and A. Dey, "Analysis of Neutral Point Balancing Scheme for Back-to-Back Converter in PMSG-Based Wind Energy Conversion Systems," 2023 IEEE International Conference on Power Electronics, Smart Grid, and Renewable Energy (PESGRE), Trivandrum, India, 2023.

-          R. Chaki and A. Dey, "Arm Current Estimation and Sensor Reduction Operation of MMC," 2023 IEEE International Conference on Power Electronics, Smart Grid, and Renewable Energy (PESGRE), Trivandrum, India, 2023.

-          R. Chaki and A. Dey, "A 2N+1 MMPC Scheme Without Arm Current Sensors for Medium Voltage MMCs," 2023 25th European Conference on Power Electronics and Applications (EPE'23 ECCE Europe), Aalborg, Denmark, 2023.

-          R. Chaki, S. Tambe and A. Dey, "A Reduced Switching Two-Vector MMPC Scheme for MMCs in Medium Voltage Applications," 2023 5th International Conference on Energy, Power and Environment: Towards Flexible Green Energy Technologies (ICEPE), Shillong, India, 2023.

-          Dheeraj Etta, Richa Goel, A. Dey, “Open Circuit Fault Detection for a Grid-tied Hybrid Multi-level Inverter,” IEEE PESGRE Conference, Trivandrum, India, 2022.

-          R. Varma, A. Dey, B. Das, Apurv Yadv, “Performance evaluation of Two Hysteresis Current Controllers’ PWM Techniques for a Grid Connected VSI,” IEEE PESGRE Conference, Trivandrum, India, 2022.

-          R. Goel, T.T. Davis, A. Dey, "Thirteen Level Multilevel Inverter Structure having Single DC Source and Reduced Device Count," IEEE International Conference on Smart Technologies for Power, Energy and Control (STPEC), Nagpur, India, 2020.

-          V. Chapparya, S.P. Singh, A. Dey, “Novel Non-isolated Boost-Zeta Interleaved DC-DC Converter for Low Voltage Bipolar DC Micro-grid Application,” IEEE PESGRE Conference, Trivandrum, India, 2022.

-          P. Gajare, Rupak Chakraborty, and A. Dey, "A Simplified Modulated Model Predictive Control for Modular Multilevel Converter" IEEE International Conference on Smart Technologies for Power, Energy and Control (STPEC), Nagpur, India, 2020.

-          R. Chakraborty, P. Gajare, and A. Dey, “Improved Circulating Current Control of Modular Multilevel Converter for Medium Voltage applications,” IEEE PESGRE Conference Kochi, India, 2020.

-          R. Chakraborty, J. Samantaray, S. Chakrabarty, and A. Dey, “Capacitor Voltage Estimation of MMC using a Discrete-Time Sliding Mode Observer Based on Discrete Model Approach,” IEEE PESGRE Conference, Kochi, India, 2020.

-          R. Varma, A. Dey, and B. Das, “Grid connected Three-level VSI based Smart Solar Inverter using Online Space Vector based Hysteresis Current Control,” IEEE PESGRE Conference Kochi, India, 2020.

-          T.T. Davis, P. Gajare, and A. Dey, “A Novel Floating Capacitor Voltage Control Technique for 9-Level T-Type Inverter with Reduced Device Count,” IECON 2019 – 45th Annual Conference of the IEEE Industrial Electronics Society, Portugal, 2019.

-          S. Shitaw, R. Varma, and A. Dey, “Performance Evaluation and Analysis of standalone Solar PV Powered Water Pumping System for Irrigation,” IEEE GUCON, Noida, 2019.

-          R. Chakraborty, and A. Dey, “Dual SVPWM strategy for digital implementation of any n level MMC structure”, 8th IEEE Power Electronics, Drives and Energy Systems Conference (PEDES-2018), Chennai, India, 2018.

-          R. Chakraborty, and A. Dey, “Sample based SVM technique for digital implementation of any n level modular multilevel converter”, 13th IEEE International Conference on Industrial and Information System 2018 (ICIIS-2018), Ropar, India, 2018.

-          T.T. Davis, and A. Dey, “Nine level T-type neutral point clamped voltage source inverter for induction motor drive,” IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society, Beijing, China, 2017.

-          H. Talasila, R. Chakraborty, T.T. Davis, and A. Dey, “Analysis of Carrier Based SPWM Techniques for Grid Connected Modular Multilevel Converter,” IEEE Conference INDICON, Roorkee, India, 2017.

-      T.T. Davis, and A. Dey, “A Hybrid Multilevel Inverter using Single Source Neutral-Point Clamped front end and Cascaded H-bridge with Flying Capacitor based Structures,” IEEE Power Electronics, Drives and Energy Systems Conference (PEDES-2016), Trivandrum, India, 2016.

Honors And Awards
Honors
BESU, Shibpur
2005
Unversity medal for 1st place during ME in Electrical Engineering Dept., BESU
IES, IAS, PES
2014
Reviewer of IEEE transactions on IES, IA, PELS, JESTP, IET Power electronics etc
IECON2017
2017
Chaired a technical session at IEEE-IECON 2017, Beijing, China
IIT Roorkee
2017
Co-Chaired technical session at IEEE-INDICON2017, IEEE-CERA2017
IIT Chennai
2018
Chaired a technical session at IEEE-PEDES 2018, IIT Chennai
MNIT Jaipur
2020
Chaired a technical session at IEEE-PEDES 2020, MNIT Jaipur
MemberShips
IEEE
01 Jan 2011 - Present
Member
Teaching Engagements
Teaching Engagements
Power Electronics ( EEN 303 )
Autumn
Power Converter for Sustainable Energy ( EEC-517 )
Autumn
Electric Drives ( EEN-302 )
Spring
Advanced Power Electronics ( EEN-540 )
Autumn
Basic Electrical Engineering ( EEE-102 )
Spring
PWM for Power Converters ( EEN 648 )
Spring
Electrical Science ( EEN 112 )
Spring
FACTS Devices ( EEN 543 )
Spring
Electrical Science ( EEN 112 )
Autumn
Industry Oriented Program ( EEN-300 )
Spring
Design of Electronics Circuit ( EEN 205 )
Autumn
Students
Associate Scholars
PhD- Rupam Chaki (ongoing)
Thesis to be submitted
A Study of Operational Issues of Modular Multilevel Converters
PhD-Abhishek Kumar (ongoing)
IIT Rooree
PMSG Based Wind Energy Conversion System with Grid Supporting Features
PhD-Shashank Mishra (ongoing)
IIT Roorkee
Renewable Energy Integration to Grid using High Frequency Isolation Transformer
Project/PhD- Arghadeep Hazra (ongoing)
IIT Roorkee
High switching frequency isolated DC/DC converter
PhD- Sanket Tambe (ongoing)
IIT Roorkee
Power Electronics Converters for Renewable Energy Integration into Grid
PhD-Ravi Varma
Passed out
Space Vector Based Hysteresis Current Control Techniques for Grid-Connected Voltage Source Inverters
PhD- Vaishali Chapparya
Thesis submitted
Investigation on Non-isolated DC/DC Converters for DC Micro-grid
PhD- Richa Goel
Passed out
INVESTIGATION ON RESOURCE OPTIMIZED AND FAULT TOLERANT HYBRID MULTILEVEL INVERTERS
PhD- Rupak Chakraborty
Passed out
A STUDY ON MODULAR MULTILEVEL CONVERTERS FOR MEDIUM VOLTAGE DC TRANSMISSION SYSTEMS
PhD- Teenu Davis
Passed out
INVESTIGATIONS ON CAPACITOR VOLTAGE BALANCING FOR THREE-PHASE HYBRID MULTILEVEL INVERTER
Miscellaneous
Events
Ubiquitous Rechargeable Batteries for a smart Planet
22 Jul 2016 - 22 Jul 2016
IITR QIP
Wind Power Technology
28 Nov 2019 - 28 Nov 2019
GBPIET STC
PWM Control Techniques in Modern Multi-Phase Power Converters Used for Grid Interfaces and Industrial Drives (as an organizer)
11 Jan 2021 - 15 Jan 2021
TEQIP
Administrative Positions
Associate Dean Infra (Elec & AC)
01 Feb 2022 - 31 Jul 2024
IIT Roorkee
Dy. Chairman
01 Jan 2016 - 01 Jan 2019
IIT Roorkee CCB Dairy
M. Tech Students

Pranit Roy (23527011) Design and Development of VSCs Connected to a Microgrid Operated Under Grid Connected  and Islanded Modes 24-25

Akib Jawed (20527001) Optimal torque control of DFIG based wind power conversion 21-22

Pradeep Kumawat (19527007) Comparison of Three-phase and Asymmetrical Six-phase Induction Motors (jointly) 2020-21

Neha Kurwe (18527008) Multi-level converters for Power Quality improvement (jointly) 2019-20

Brijesh Kumar Kasaudhan (18527004) Hybrid source based power system of an Electric Vehicle (jointly) 2019-20

Mradul Jain (18527005) Grid synchronization techniques for three phase power converter 2019-20

Semahegn Shitaw (17529014) Performance analysis and evaluation of solar powered water pumping system for irrigation
2018-19

Rudranil Ghosh (16527014) Power Quality improvement using UPQC in a distributed system 2017-18

Chirag Parmar (15527006) Investigation on hybrid Multi-Level inverter topologies and associated PWM control techniques 2016-17

Harshit Talashila (15527025) Investigation on modular multilevel converters for HVDC and industrial drives applications 2016-17

Deepak Soni (12202002) Study of PMSM drive in electric vehicles with regenerative braking operation 2016-17

Vidisha Anand (12212012) Investigation on control strategies for shunt and series active filters 2016-17

Unnam Abhinav Chowdary (11212015) Performance Investigation of ANN based Matrix Converter Fed Induction Motor Drive 2015-16

Anil Poonia (11212002) Investigation on current controllers for multilevel inverter based shunt active power filter 2015-16