Welcome!
I am an Assistant Professor in the Department of Electrical Engineering at IIT Kharagpur.
My research interest lies at the intersection of control theory on the dynamics of integrated power systems, and on developing control strategies to create a reliable, efficient, and sustainable power system with renewable energy sources.
I am passionate about mentoring students and am always looking for motivated individuals to join my research group. Please explore the tabs on this page to learn more about my work.
Research Interests
- Power System Dynamics and Control
- Renewable Energy Integration
- Wide Area Measurement and Control of Power Systems
- Model Order Reduction for efficient EMT simulations
- Numerical Stability and Accuracy of EMT simulation algorithms
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Experience & Bio
Professional Experience
Assistant Professor Jun. 2025 - Present
Indian Institute of Technology Kharagpur, India
Teaching basic and advanced courses related to power and energy systems, and mentoring graduate students.
Postdoctoral Research Fellow Jul. 2023 - Jun. 2025
University of Manitoba, Winnipeg, Canada
Worked on grid-forming inverter control strategies and large-scale power system simulations.
Senior Engineer Feb. 2022 - Jun. 2023
L&T Technology Services, Bangalore, India
Worked on the control of power electronic converters for on-board chargers for electric vehicles.
Education
Ph.D. in Electrical Engineering Jul. 2015 - Apr. 2022
Indian Institute of Technology Bombay, Mumbai, India
Thesis: Passivity-Based Decentralized Small-Signal Stability Criteria for Power Systems
Advisor: Prof. Anil M. Kulkarni
M.Tech in Electrical Engineering Jul. 2015 - Apr. 2022
Indian Institute of Technology Bombay, Mumbai, India
B.E. in Electrical Engineering Aug. 2011 - Jun. 2015
Jadavpur University, Kolkata, India
Thesis: Analysis of Electric Field Distribution Using Finite Element Method
Advisor: Prof. Sivaji Chakravorti
Journal Papers
- S. Ramachandra, K. Dey, A. M. Kulkarni and A. M. Gole (2025), "Angular Stability of Grid Forming Converters Subjected to Large Disturbances", in Electric Power Systems Research. (Accepted for presentation at IPST 2025)
- N. Z. Shahraki, K. Dey, T. Lin and A. M. Gole (2025), "Online Inertia Estimation of Inverter-Based Resources using Bus Frequency Measurements", in Electric Power Systems Research. (Accepted for presentation at IPST 2025)
- M. Mukherjee, S. V. Singh, A. M. Kulkarni, K. Dey and A. M. Gole (2025), "Online Estimation of Linearized IBR models using Ambient Noise and External Excitation", in Electric Power Systems Research. [Paper Link]
- A. Sinkar, K. Dey, H. Zhao and A. M. Gole (2025), "Stability Assessment of Multi-rate Electromagnetic Transient Simulations", in IEEE Transactions on Power Delivery. [Paper Link]
- K. K. Gajjar, K. Dey and A. M. Kulkarni, (2022), "Design and simplified stability analysis of wide-area damping control with variable feedback delay", in Electric Power Systems Research. [Paper Link]
- K. Dey and A. M. Kulkarni (2022), "Passivity-Based Decentralized Criteria for Small-Signal Stability of Power Systems with Converter-Interfaced Generation", in IEEE Transactions on Power Systems. [Paper Link]
- K. Dey and A. M. Kulkarni (2021), "Analysis of the Passivity Characteristics of Synchronous Generators and Converter-Interfaced Systems for Grid Interaction Studies", in International Journal of Power & Energy Systems. [Paper Link]
- K. Dey, M. K. Das and A. M. Kulkarni (2021), "Comparison of dynamic phasor, discrete-time and frequency scanning based SSR models of a TCSC", in Electric Power Systems Research. [Paper Link]
- K. Dey, P. Agnihotri, A. M. Gole and A. M. Kulkarni (2017), "Introduction of damping, synchronizing and inertial effects using controlled power injection devices", in CSEE Journal of Power & Energy Systems. [Paper Link]
Conference Proceedings
- K. Dey, C. Jiang and A. M. Gole, (2025), "Supplementary Damping Controller Design for Interactions Between Current-Controlled MMCs", in IET ACDC Global 2025 Conference. [Paper Link]
- N. Z. Shahraki, M. Mohaddes, K. Dey and A. M. Gole, (2025), "Enhancing Inertia and Voltage Regulation Using Converter-Interfaced Synchronous Condensers at LCC-HVDC Terminals", in IET ACDC Global 2025 Conference. [Paper Link]
- K. Dey, P. Agnihotri, A. Darbandi and A. M. Gole (2024), "Efficient Simulation of Large Power Systems with Inverter Based Resources with Black-boxed Controllers" in CIGRE Canada 2024 Conference & Exposition.
- K. Dey, A. Sinkar, A. M. Gole, D. Li, Y. Qi and H. Ding (2024), "Small-Signal Stability Assessment of Controller Hardware-In-Loop EMT Simulations" in IEEE PES General Meeting 2024. [Paper Link]
- S. Ramachandra, K. Dey, A. M. Kulkarni and A. M. Gole (2024), "Frequency Scanning based Design of Supplementary Damping Controllers for Inverter-Based Resources" in IEEE PES General Meeting 2024. [Paper Link]
- K. Dey and A. M. Kulkarni (2022), "Passivity of Electrical Power Networks Modelled Using Rectangular and Polar Variables" in IEEE NPSC 2022. [Paper Link]
- K. K. Gajjar, K. Dey and A. M. Kulkarni (2022), "Simplified Stability Assessment of Power Systems with Variable-Delay Wide-Area Damping Control" in IEEE PES General Meeting 2022. [Paper Link]
- K. Dey and A. M. Kulkarni (2019), "Investigation of Passivity Behavior of Synchronous Generators Connected to Passive Network" in IEEE ICPS 2019. [Paper Link]
- K. Dey and A. M. Kulkarni (2019), "Passivity Based Grid-Connectivity Criterion for Ensuring Stability of a Network With Controlled Power Injection Devices" in IEEE PES General Meeting 2019. [Paper Link]
- K. Dey and A. M. Kulkarni (2018), "Filtering of Noisy Frequency Measurements Using Coherence between Multiple Measurements" in IEEE NPSC 2018. [Paper Link]
Awards & Honors
- CIGRE NGN Second Best Paper Award (2024)
CIGRE Canada Conference 2024 for the paper titled "Efficient Simulation of Large Power Systems with Inverter Based Resources with Black-boxed Controllers" - Graduate Student Third Best Poster Award(2024)
IEEE PES General Meeting 2024 Conference for the paper titled "Frequency Scanning based Design of Supplementary Damping Controllers for Inverter-Based Resources" - Naik & Rastogi Award for Excellence in Ph.D. Research (2022)
Indian Institute of Technology Bombay - Power System Dynamics & Control Session Best Paper Award (2019)
IEEE ICPS 2019 Conference for the paper titled "Investigation of Passivity Behavior of Synchronous Generators Connected to Passive Network" - Best Teaching Assistant Award (2018)
Indian Institute of Technology Bombay for the course "Power System Dynamics & Control"
Teaching
Current Courses (Autumn 2025)
Past Courses
Teaching Assistantship
- EE101: Introduction to Electrical and Electronic Circuits
- EE658: Power System Dynamics and Control
- EE747: Simulation of Power System Transients
- ECE7990: HVDC Transmission-1
Teaching Philosophy
I believe in bridging the gap between theory and practice. My courses incorporate a mix of theoretical concepts, interactive simulations, and hands-on projects to provide a rigorous understanding of the subject matter.
Professional Activities & Service
Journal Reviewer
- Reviewer, IEEE Transactions on Power Systems
- Reviewer, IEEE Transactions on Power Delivery
- Reviewer, Electric Power Systems Research
- Reviewer, Power & Energy Society Letters
- Reviewer, IEEE-IAS Power Systems Engineering Committee
- Reviewer, IEEE Journal of Modern Power Systems and Clean Energy (MPCE)
Conference
- Reviewer, International Conference on Power Systems (ICPS) 2025, 2025
- Reviewer, International Power System Transients Conference (IPST) 2025, 2025
- Reviewer, IEEE PEDES 2024 Conference, 2024
- Reviewer, IEEE PES General Meeting 2024 Conference, 2024
- Reviewer, IEEE PES General Meeting 2023 Conference, 2023
- Reviewer, IEEE National Power Systems 2022 Conference (NPSC 2022) , 2022
Join Us
I am actively looking for highly motivated and curious research students to join my research group.
M.Tech & Ph.D. students
- Background: Bachelor's degree in Electrical Engineering with exposure to power systems, control systems, or power electronics.
- Expected Skills: Mathematical aptitude and programming skills (basic knowledge of Python/MATLAB is expected).
B.Tech/Dual Degree Project
- Expected Skills: Basic programming skills (basic knowledge of Python/MATLAB is expected).
Undergraduate Internship
- Background: Bachelor student in Electrical Engineering (preferably 2nd or 3rd year undergraduate students).
- Expected Skills: Basic programming skills (basic knowledge of Python/MATLAB is expected).
How to Apply
- PhD/M.Tech Candidates: Please apply through the official portal. Send me an email or drop by in my office for a discussion.
- IITKGP B.Tech/Dual Degree Students: Send me an email with your latest CV or drop by in my office for a discussion.
- Undergraduate Students (outside IIT KGP): Send me an email with your latest CV highlighting your relevant experiences.