School of Electrical and Computer Sciences

School of Electrical and Computer Sciences, IIT Bhubaneswar

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IIT Bhubaneswar

Dr. Pankaj Dilip Achlerkar

Assistant Professor
  • Room No: A-005, SECS
  • +91-674-713-5783
  • pankaj@iitbbs.ac.in
  • School of Electrical and Computer Sciences
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Power electronics interfaced power systems (dynamic model development, stability analysis, control design issues, control interactions, fault studies); Microgrids (AC, DC, Hybrid, and Networked Microgrids); HVDC transmission; Renewable Energy Systems

Dr. Pankaj Dilip Achlerkar holds Bachelors, Masters, and Doctorate degree in Electrical Engineering, with specialization in Power Systems. His main research areas of interests include several aspects of modeling, analysis, planning, and design of power electronics interfaced power systems.

  1. Title: “Main Scheme Parameters Design of VSC-HVDC Converter Stations having Ancillary Functionalities for Weak Grid Interfaces”, Sponsoring Agency: IIT Bhubaneswar, Role: PI, Status: Ongoing.
(Clink on the respective subject links to access course material)
Ph.D.:
  1. Shyamal Das: Coordinated control and protection of AC microgrids (Co-Supervisor)
  2. Santosh Kumar Sahoo: (Co-supervisor)
M.Tech.:
  1. Madhumita Preetam: Transient stability analysis of inverter based resources
  2. Manish Manohar Pattnaik: Protection systems for offshore wind integrated through VSC-HVDC
  3. Aniket Kar: Effective grounding design and ground fault overvoltage analysis (Co-Supervisor)
  4. Komal Deep: Protection systems for DC microgrids (Co-Supervisor)
B.Tech. Project:
  1. Dinesh Kumar: Machine learning assisted main scheme parameters design of VSC-HVDC schemes
  2. Nellore Ganesh Sai: Developing dynamic interaction screening tool for power systems
  3. Sreeyapureddy Rama Narayana Reddy: Python-App development for small-signal stability analysis of microgrids
  4. Ayush Das: Machine learning based real-time stability prediction of microgrids
  5. Ansh Maurya: Clustering based coherency detection in inverter-dominant power grids
  6. Bollepalli Rama Teja: Load forecasting
  7. Dharavath Shireesha: Hosting capacity analysis
B.Tech. Interns:
  1. Dharavath Shireesha: Small-signal stability analysis of microgrids
  1. A. Sharma, P. D. Achlerkar, and B. K. Panigrahi, “Dynamically Aggregated Small-signal Impedance Model of Inverter Based Resources,” IEEE Transactions on Energy Conversion, DOI: 10.1109/TEC.2024.3431448 (Accepted). 
  2. S. Dash, M. K. Jena, P. D. Achlerkar, and P. Shaw, “Exploring the interdependence between control and protection philosophies in inverter integrated power system: A case study on directional relaying schemes,” Electric Power Systems Research, vol. 228, pp. 110074, Mar. 2024. DOI: 10.1016/j.epsr.2023.110074.
  3. A. Sharma, P. D. Achlerkar, and B. K. Panigrahi, “Assessment of Linear Quadratic Regulator Based Optimal Stabilization of Weak-Grid-Following Inverter Interface,” IEEE Transactions on Power Delivery, vol. 38, no. 5, pp. 3647-3659, Oct. 2023. DOI: 10.1109/TPWRD.2023.3283280.
  4. P. D. Achlerkar, and B. K. Panigrahi, “Dynamic Harmonic Domain Modeling and Stability Augmented Design of Inverter Interface to Weak and Unbalanced Grid,” IEEE Transactions on Power Delivery, vol. 37, no. 4, pp. 3097-3110, Aug. 2022. DOI: 10.1109/TPWRD.2021.3123370.
  5. P. D. Achlerkar, and B. K. Panigrahi, “New Perspectives on Stability of Decoupled Double Synchronous Reference Frame PLL”, IEEE Transactions on Power Electronics, vol. 37, no. 1, pp. 285-302, July 2021. DOI: 10.1109/TPEL.2021.3099162.
  6. P. D. Achlerkar, and B. K. Panigrahi, “Recursive Least Squares-Based Adaptive Parameter Estimation Scheme for Signal Transformation and Grid Synchronization,” IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 9, no. 2, pp. 2427-2439, April 2021. DOI: 10.1109/JESTPE.2020.2970445.
  7. P. D. Achlerkar, V. Nougain and B. K. Panigrahi, “Backstepping Technique-Based Customer-End Voltage Control Strategy of DC Distribution Network,” IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 9, no. 1, pp. 666-676, Feb. 2021. DOI: 10.1109/JESTPE.2019.2959670.
  8. P. D. Achlerkar, and B. K. Panigrahi, “Robust backstepping output voltage controller for standalone voltage-sourced converters,” IET Renewable Power Generation, Vol. 14, Iss. 12, pp. 2211-2220, September 2020. DOI: 10.1049/iet-rpg.2020.0023.
  9. P. D. Achlerkar, and B. K. Panigrahi, “Assessment of DC offset in fault current signal for accurate phasor estimation considering current transformer response”, IET Science, Measurement and Technology, Vol. 13, Iss. 3, pp. 403-408, May 2019. DOI: 10.1049/iet-smt.2018.5172.
  10. P. D. Achlerkar, S. R. Samantaray, and M. S. Manikandan, “Variational Mode Decomposition and Decision Tree Based Detection and Classification of Power Quality Disturbances in Grid-Connected Distributed Generation System,” IEEE Transactions on Smart Grid, vol. 9, no. 4, pp. 3122-3132, July 2018. DOI: 10.1109/TSG.2016.2626469.
  1. S. Dash, M. K. Jena, and P. D. Achlerkar, “An Inverter Control Agnostic Fault Detection Solution based on the Dynamic Time Warping Philosophy,” 2023 10th IEEE International Conference on Power Systems (ICPS), Long Beach Hotel, Cox’s Bazar, Bangladesh, 2023. (Accepted)
  2. A. Sharma, P. D. Achlerkar, and B. K. Panigrahi, “Comparative Insights into Spectral Characteristics of Grid-forming and Grid-following Converters,” 2023 IEEE International Conference in Energy Technologies for Future Grids (EFTG), Wollongong, Australia, 2023. (Accepted)
  3. S. Dash, M. K. Jena, and P. D. Achlerkar, “A Comprehensive Performance Evaluation of Sequence Component based Directional Relaying Philosophies for Inverter Integrated Power System”, 2023 International Conference on Innovation in Technology (INOCON), Bangaluru, India, 2023, pp. 1-5, DOI: 10.1109/INOCON57975.2023.10101136.
  4. S. Dash, M. K. Jena, P. Shaw and P. D. Achlerkar, “Revisiting Performance of Negative Sequence Directional Relay (32Q) in the Presence of Inverter Based Resources,” 2022 22nd National Power Systems Conference (NPSC), New Delhi, India, 2022, pp. 679-684, DOI: 10.1109/NPSC57038.2022.10069274.
  5. S. Sharma, P. D. Achlerkar, P. Shrivastava, A. Garg, and B. K. Panigrahi, “Combined SoC and SoE Estimation of Lithium-ion Battery using Multi-layer Feedforward Neural Network”, 2022 Power Electronics, Drives and Energy Systems (PEDES), Jaipur, India, 2022, pp. 1-6, DOI: 10.1109/PEDES56012.2022.10080110.
  6. S. Sharma, P. D. Achlerkar, P. Shrivastava, A. Garg, and B. K. Panigrahi, “Neural Network based State of Charge Prediction of Lithium-ion Battery,” 2022 IEEE 2nd International Conference on Sustainable Energy and Future Electric Transportation (SeFeT), Hyderabad, India, 2022, pp. 1-6, DOI: 10.1109/SeFeT55524.2022.9909368.
  7. S. Sahoo, P. D. Achlerkar, and M. K. Jena, “Rethinking Grid Codes from Protection Perspective: A Case Study on Negative Sequence Directional Relay,” 2021 IEEE 2nd International Conference on Smart Technologies for Power, Energy, and Control (STPEC), Bilaspur, India, 2021, pp. 1-6, DOI: 10.1109/STPEC52385.2021.9718721.
  8. P. D. Achlerkar, S. Kewat, B. K. Panigrahi, and B. Singh, “Distributed Control Framework for Autonomous Seamless Operation of Electronically Interfaced Distributed Generators in AC Microgrid,” 2018 8th IEEE India International Conference on Power Electronics (IICPE), Jaipur, India, 2018, pp. 1-6, DOI: 10.1109/IICPE.2018.8709527.
  9. P. D. Achlerkar, S. R. Samantaray, and M. S. Manikandan, “Detection of Voltage Variation Events using Variational Mode Decomposition,” 2017 IEEE PES Asia Pacific Power and Energy Engineering Conference (APPEEC), Bangalore, India, 2017, pp. 1-6, DOI: 10.1109/APPEEC.2017.8308899.
 Degree Discipline Year School
  Ph.D. Electrical Engineering 2022 Indian Institute of Technology Delhi
  M.Tech. Power Systems Engineering 2016 Indian Institute of Technology Bhubaneswar
  B. E. Electrical, Electronics and Power 2013 Government College of Engineering, Chhatrapati Sambhajinagar (formerly GEC Aurangabad)
  1. Assistant Professor School of Electrical Sciences, IIT Bhubaneswar Nov. 2023 – Till Date. Job Profile: Teaching, Research, Academic Administration.
  2. System Design Engineer GE Renewable Energy Jul. 2022 – Nov. 2023. Job Profile: Main scheme design, power system studies, equipment design and procurement, customer training, project management for various VSC-HVDC projects.
  3. Project Employee IIT Delhi Jan. 2022 – Jul. 2022. Job Profile: Research on cyber-security of microgrids.
  4. Teaching Assistant IIT Delhi Jan. 2017 – Jan. 2022. Job Profile: Teaching assistance, research.
  5. Project Engineer IIT Kanpur Oct. 2016 – Dec. 2016. Job Profile: Research on Power system load modeling.
  6. Teaching Assistant IIT Bhubaneswar Jun. 2014 – Apr. 2016. Job Profile: Teaching assistance.
  7. Lecturer Rajiv Gandhi Institute of Polytechnic, Hasegaon Jun. 2013 – May. 2014. Job Profile: Teaching, academics related administrative activities
  • GE IMPACT Award (Level #Bravo), for successful and focused delivery of System Design work packages in 1.2 GW SouthCoast Wind VSC-HVDC project
  • GE IMPACT Award (Level #Bravo), for successful and focused delivery of various work packages in various VSC-HVDC projects
  • POSOCO Power System Award – 2023 (Doctoral Category), jointly given by Grid Controller of India (formerly POSOCO) Ltd. and FITT, IIT Delhi in Dec. 2022 for the research work carried out for PhD Thesis.
  • Research Excellence Award-2022, awarded by Institute of Scholars, for the publication “P. D. Achlerkar, and B. K. Panigrahi, ‘New Perspectives on Stability Analysis of Decoupled Double Synchronous Reference Frame PLL’, IEEE Transactions on Power Electronics, Vol. 37, No. 1, July 2021”.
  • Best Paper Award for the publication: ‘S. Sahoo, P. D. Achlerkar, and M. K. Jena, “Rethinking Grid Codes from Protection Perspective: A Case Study on Negative Sequence Directional Relay,” 2021 IEEE 2nd International Conference on Smart Technologies for Power, Energy and Control (STPEC), 2021’.
  • POSOCO Power System Award-2017 (Master’s Category), jointly given by Grid Controller of India (formerly POSOCO) Ltd. and FITT, IIT Delhi in Feb. 2017 for the work of M.Tech. Thesis.
  • Institute Silver Medal, by Indian Institute of Technology Bhubaneswar, awarded in 5th Convocation (Aug. 2016) for securing highest CGPA in the Master’s specialization.
  • Third Prize in Science Project Competition (Organizer: Lokmat Yuva NXT), on National Science Day, 28 Feb. 2012.
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