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Faculty details

Prof.Sonam Acharya

Designation: Assistant Professor

Department: Electrical Engineering

Email: sonamacharya[at]iitism[dot]ac[dot]in

Contact Number:

Office Number: +91-326-223-5463

Personal Page: Under Construction

Research Interest: Design Of High Frequency Power Converters Using Wide Band Gap Devices, EV Charging Technology, Application Of Embedded Systems In Power Electronics, Renewable Integrated Mixed Energy Systems

Teaching

NEEC103: Basic Electrical Engineering-II (UG Course) [Theory]

EEC273: Control and Measurement Lab (UG Course) [Lab]

Academics

PhD, Department of Electrical Engineering, IIT Kanpur (2017-2022)

PhD Thesis: Interleaving of Active Front-end Boost Micro-inverters (In my Ph.D., I worked on design of high efficiency, power dense and high gain Micro-inverter topologies suitable for roof-top PV installations. My major research innovation was to achieve high efficiency in the inverters by implementing a novel interleaving technique.)
PhD Supervisor: Prof. Santanu Mishra, Professor at IIT Kanpur
CGPA: 8.6 in PhD course work

M. Tech, Department of Electrical Engineering, IIT Kanpur (2014-2016)

M. Tech Thesis: Sensor-less speed control of PMSM
M. Tech Supervisor: Prof. Shyama Prasad Das, Professor at IIT Kanpur
CGPA: 9 in M. Tech course work

B. Tech, Department of Electrical and Electronics Engineering, Biju Pattnaik University of Technology, Odisha (2009-2013)

CGPA: 8.7

12th, Council of Higher Secondary Education, Odisha (2009), percentage 79%

10th, Board of Secondary Education, Odisha (2007), percentage 91.46%

Position

Assistant Professor, Department of Electrical Engineering, IIT (ISM), Dhanbad	Design Of High Frequency Power Converters Using Wide Band Gap Devices, EV Charging Technology, Application Of Embedded Systems In Power Electronics, Renewable Integrated Mixed Energy Systems
Post-doctoral Fellow, Centre for Automotives Research and Tribology (CART), IIT Delhi	Major part of my research in postdoc focused on development of product for various industry applications. Some of them are listed below. Design and development of a residual current detector relevant for EV charging applications. Battery back-up for critical systems. Low-cost EV charger suitable for E bikes and E rickshaws.
Research intern, Electrical Systems Engineering Team, GE Global Research, Bangalore	I worked on design and control of active harmonic filter to suppress harmonics in wind turbine systems. My major research focus had been on Reliability analysis of active harmonic filter. Online estimation of harmonic frequencies injected into the grid. The research innovation of our team was filed as a patent.

Awards and Honors

Awarded Prof. Som Nath Mahendra Student Travel Award in IEEE Power Electronics, Drives and Energy System.

Publications

Books Published

List Of Research Publications (only in Peer-reviewed Journals)

Journals:

S. Acharya and S. K. Mishra, "Interleaved Current-Fed Switched Inverter," in IEEE Transactions on Power Electronics, vol. 35, no. 7, pp. 7015-7030, July 2020, doi: 10.1109/TPEL.2019.2954616.
S. Acharya, A. Mallik and S. K. Mishra, "PWM Control of a High Gain n-Phase Interleaved Current Fed Topology," in IEEE Transactions on Industrial Electronics, doi: 10.1109/TIE.2021.3095795.
S. Acharya, O. Ray and S. K. Mishra, "Powering Milliwatts to Megawatts," in IEEE Consumer Electronics Magazine, vol. 9, no. 2, pp. 70-75, 1 March 2020, doi: 10.1109/MCE.2019.2954044.
S. Acharya and S. Mishra, "PWM Control of N-Phase Interleaved Active Front-End Boost Stage- Based Impedance Source Inverter," in IEEE Transactions on Power Electronics, vol. 37, no. 6, pp. 7354-7369, June 2022, doi: 10.1109/TPEL.2021.3135950.

Papers in conference abstract volumes / presented

Conferences:

S. Acharya, N. S. Chauhan and S. K. Mishra, "Replacing Si-IGBT by SiC Mosfet in high Gain Inverter: Challenges and Opportunities," 2018 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Chennai, India, 2018.
S. Acharya and S. K. Mishra, "Design and Analysis of Interleaved Current Fed Switched Inverter," 2019 IEEE Applied Power Electronics Conference and Exposition (APEC), Anaheim, CA, USA, 2019.
S. Acharya, A. Gambhir and S. Mishra, "Elimination of 2f Ripple in a Current Shared Interleaved Current Fed Switched Inverter," 2020 IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, USA, 2020.
S. Acharya, S. Mishra and A. Tiwari, "An n-Phase Interleaved Current Fed Switched Inverter," 2020 IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, USA, 2020.
S. Jha, S. Acharya and S. Mishra, "Design and Performance Evaluation of an Air-Core Inductor for Point-of-Load (POL) Converter," 2020 IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, USA, 2020.
S. Acharya, and S. K. Mishra, "A Review of High Gain Inverters for Smart Grid Applications," 2018 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Jaipur, India, 2020.
S. Acharya, S. Mishra and A. Tiwari, " PWM Control of an n-Phase Interleaved Current Fed Topology," 2021 IEEE Energy Conversion Congress and Exposition (ECCE), USA, 2021.
S. Acharya, S. Banerjee, and S. Mishra, "An n-Phase Interleaved Switched Boost Topology," 2021 IEEE Transportation Electrification Conference (ITEC-India), New Delhi, India, 2021.
S. Acharya, S. Banerjee, and S. Mishra, "Design and implementation of an air-cored flyback converter," 2023 IEEE International conference on Power Electronics and Drives Systems, Canada, 2023.
S. Acharya, S. Banerjee, and S. Mishra, "An Integrated Control Structure for Improving Performance of Interleaved Current-fed Switched Inverter," 2024 IEEE Applied Power Electronics Conference and Exposition, USA, 2024.
S. Banerjee, S. Acharya, and S. Mishra, "Effect of Grid Current QSG on Harmonic Current Content in Single Phase Grid Connected Inverter," 2024 IEEE Applied Power Electronics Conference and Exposition, USA, 2024.
D. Vibhandik, S. Acharya, and S. Mishra, "Control of Bidirectional Inverter in Mixed Energy EV to Home System,"2023 National Power Electronics Conference, Guwahati India, 2023.

Patents

Design copyright:

Inventors – Sonam Acharya, Kehkasan Qaiser, Santanu. K. Mishra

Title - Design of an Air-Cored Tranformer and its Implementation in an Isolated Power Converter

Affiliation – IIT Kanpur, India

Issuing country - India

Docket number - 18089103IN-DF

Patent:

Inventors – Prasun Mishra, Sonam Acharya

Title - System and method for adaptive control of active harmonic filter to suppress harmonics in doubly fed wind turbines

Affiliation – GE, India

Issuing country – Europe

Application number - 23150321.0

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