MarrakEsH - Modulare, regenerative und autarke Energieversorgung mit H2-Technik
Nov 2023 to Feb 2025
Sponsoring Agency: Federal Ministry for Economic Affairs and Climate Action of Germany (BMWK)
Partners: GKN Hydrogen, Proton Motor Fuel Cell GmbH, Würth Electronik siSos GmbH & Co. KG, Infineon Technologies AG, Fraunhofer IEE, Enapter AG
Role: Research and development, and co-lead team
1. Research in the design of Modular Multiport Drives (MMPU) to connect multiple types of sources and sinks.
2. Use of power GaN devices for designing very high-frequency switching converters operating at MHz in >20kW power range.
3. Research on switching methodology for reducing losses, new gate driver circuits, and passive components.
4. Simulation, PCB design, prototyping and testing of the demonstrator in the laboratory.
GaN HighPower - Cost- and weight-efficient high-performance PV and battery inverters for future international markets using gallium nitride (GaN) semiconductors.
Jan 2022 to Feb 2025
Sponsoring Agency: Federal Ministry for Economic Affairs and Energy (BMWi),
Partners: Infineon Technologies AG, Fraunhofer IEE, SMA Solar Technology AG, TH Köln, Vacuumschmelze GmbH & Co. KG.
Role: Research and development, and co-lead team.
Research and test the next generation of cost-effective, resource-saving and efficient power converters for photovoltaic applications.
Use of power GaN devices for development in inverters with a power capacity above 150kVA.
Determination of topologies for the high-power PV inverters.
Research on suitable driver topologies to improve the efficiency and performance of the PV and battery inverter.
Simulation, PCB design, prototyping and testing of the demonstrator in the laboratory.
HyLeiT
Jan 2022 to Feb 2025
Sponsoring Agency: Federal Ministry of Education and Research (BMBF),
Partners: Infineon Technologies AG, Fraunhofer IEE, SMA Solar Technology AG, Technische Universität Dresden
Role: Research and development, and co-lead team.
Research in the identification of power converter topologies for electrolysers and the characterisation of magnetic components and semiconductor modules.
Develop custom test benches for characterising power semiconductor modules, magnetic components, and electrolysers.
Developed a 90kW, 200 kHz, SiC-based power converter for testing magnetic components in the calorimeter.
Developed advanced online characterisation methods for the electrolyser cells in operation.
Design and prototyping of a smart electric vehicle charger
September 2019 to Present
Sponsoring Agency: Indian Institute of Technology Guwahati
Supervisor: Prof Dr.-Ing. Praveen Kumar
Delivered:
Designed and developed power converters viz. DC-DC and AC to DC and DC to AC
Designed and developed signal conditioning circuits for sensors viz. current, voltage and temperature
Component selection, prototyping and testing of power converters and circuit modules in different types of PCBs viz. FR4 and metal clad
Designed and developed battery charger systems and parameter estimation for BMS
Designing of schematic layout, netlist, footprint creation, placement, routing & Gerber data for PCB design and manufacturing
Design of 25 kVA inverter to drive induction motor
July 2020 to December 2020
Sponsoring Agency: E-Mobility Lab, IIT Guwahati
Supervisor: Prof Dr.-Ing. Praveen Kumar
Delivered:
Design, development, and testing of a high current metal-clad PCB inverter for the testing of IM prototypes
ALBELA (Assistant for Learning Basic Electronics with AI)
February 2019 to December 2019
Sponsoring Agency: Department of Electronics and Electrical Engineering at Indian Institute of Technology Guwahati
Supervisor: Prof Dr.-Ing. Praveen Kumar and Prof. Samarendra Dandapat
Delivered:
Developed a chatbot using IBM Cloud services such as Watson Assistant, Discovery, Knowledge Studio, functions, SQL Query, Cloudant for the first-year bachelor students to support the teaching of the EE101 course titled “Basic electrical sciences”.
Improvised the chatbot based on user feedback and metrices such as dialogue efficiency metric, dialogue quality metric, user satisfaction and dialogue cost based on PARADISE framework of chatbot evaluation.
Documented a manuscript titled “Conceptualization, Development, and Evaluation of a Chatbot for Teaching Courses in University” which is under review in the transactions on Learning technologies since August 2020.
Smart Designer (Intelligent tool to improve the sales estimation system)
August 2018 to November 2019
Sponsoring Agency: Rotating Machinery System Division, Toshiba Mitsubishi Electric Industrial Corporation (TMEIC) Japan
Supervisor: Prof Dr.-Ing. Praveen Kumar and team from TMEIC Japan
Delivered:
Developed the software architecture of the intelligent quotation system using UML 2.5
Integrated an RHEL based server to communicate with the VBA for computing parameters of motors.
Implemented various algorithms to compute the parameters of the machine based on the inputs of the user.
Developed optimisation algorithm for the machine design based on the motor design data available in the database.
Development of an E-Scooter
Aug 2017 to Dec 2018
Sponsoring Agency: NFTDC Hyderabad
Supervisor: Prof Dr.-Ing. Praveen Kumar
Delivered:
Designed and prototyped a high-power three-phase inverter for integration into the drivetrain for E-Scooter.
Developed and implemented control of the high-power three-phase inverter using Arduino Duo to integrate a 48 V battery pack in the drivetrain.