Research

RESEARCH INTERESTS

  • Power System Protection
    • New Protection Paradigm for Smartgrid
    • New data-driven and physics-based models for protection of smart grid 
    • Fault detection, protection and fault location in microgrids
    • Improved methods for Digital Relaying
  • Power System Modeling, Simulation, and Analysis
    • Create Validated Time Domain Models of Power System Components and subsystems

GUEST LECTURES:

  1. Guest lecture on “Protection Issues in Power Distribution and Transmission Systems” at Indian Institute of Technology (IIT), Bombay, India, on August 18, 2004.
  2. Invited Panel presentation – “Short Circuit Analysis of Type II Induction Generator and Wind Farm” at IEEE PES Transmission and Distribution Conference and Exposition, April 2012, Orlando, FL.
  3. Guest lecture – “Real Time Applications of Mathematical Morphology in Power System Protection” at Arizona State University, on November 16, 2012.
  4. A 4-hour co-presented tutorial on Fault Contribution from Wind Plants at IEEE PES General meeting 2015, July 26, 2015.
  5. Keynote Address – “Power System Protection in the Era of Smart Grid” – at IEEE Power, Communication, and Information Technology (PCITC-2015) conference in Bhubaneswar, India on October 15, 2015.
  6. Seminar on “Dynamic Visualization of Power Systems – Models, Promises, and Challenges” at University of New Mexico, on October 21, 2016.
  7. Plenary Talk – “Power System Protection in the Era of Smart Grid” – at International Conference on Research and Innovation in Science, Engineering, and Technology (ICRISET-2017), BVM Engineering College, Vallabh Vidyanagar, India, February 2017.
  8. Invited panel presentation – “Demonstrating the need of Interdisciplinary Background for Advanced Protection Applications”, IEEE PES GM 2017, July, 2017, Chicago, IL.
  9. Keynote Address – “Power System Protection in the Era of Smart Grid” – at 7th International Conference on Power Systems (ICPS-2017), College of Engineering, Pune, India, December 2017.
  10. Invited Panel presentation at the supersession on Low Inertia and Weak Grid – “Protection in the Weak Grid Future”, IEEE PES GM 2018, August 2018, Portland, OR.
  11. Invited Panel presentation “How can we detect faults in a 100% inverter-based system”, IEEE PES GM 2018, August 2018, Portland, OR.
  12. Invited Panel presentation “Power System Protection in the Era of Smart Grid” at “Grid of the Future Workshop” at Sandia National Laboratories, August 22, 2018.
  13. Invited Panel presentation “Protection in Presence of Inverter Based Resources” at “2019 PV Systems Symposium” at Sandia National Laboratories, May 15, 2019.
  14. Chair, Workshop on Use of Synchrophasors and Synchronized Sampling in Protection, The First IEEE International Conference on Smart Grid Synchronized Measurements and Analytics – SGSMA, Texas A&M University, College Station, Texas, USA, May 20, 2019.
  15. Invited Panel Chair, “Modeling of converter-interfaced renewable sources for short circuit studies- IEEE PES GM 2019”, August 2019, Atlanta, GA.
  16. Invited Panel presentation “Protection challenges with increased penetration of inverter-based generation in the Southeastern Region of the US”, IEEE PES General Meeting, August 2019, Atlanta, GA.
  17. Invited Panel presentation “Protection of microgrids with high penetration of inverter based resources”, IEEE PES General Meeting, August 2020, Virtual.
  18. Invited Panel Presentation “IEEE PSRCC WG 24 – Modification of Commercial Fault Calculation Programs for Wind Turbine Generators”, Presented at Eastern Interconnection Reliability Assessment Group – ERAG Workshop, October 27, 2020.
  19. Keynote Presentation “Challenges to Power System Protection in Presence of Renewables”, Presented at National Power System Conference (NPSC) 2020, IIT Gandhinagar, India, December 18, 2020, Virtual.
  20. Main Committee Presentation “IEEE PSRCC WG 24 – Modification of Commercial Fault Calculation Programs for Wind Turbine Generators”, Presented at the main committee meeting of the IEEE PES Power System Relaying and Control Committee, January 14, 2021. Virtual.
  21. IEEE Distinguished Lecturer Presentation “Teaching the First Course on Power Engineering to the Undergraduate Students – Opportunities and Challenges”, Invited Lecture at IEEE Bombay Section PES/PAS Joint Chapter, May 11, 2021. Virtual.
  22. Guest presentation “Use of AI in Protection – Some Thoughts”, IEEE PES Power System Relaying and Control Committee, meeting of Working Group C43 – “Use of Artificial Intelligence and Machine Learning for Power System Protection and Control”, May 5, 2021.
  23. IEEE Distinguished Lecturer Presentation “Microgrid Protection in Presence of Renewables”, Invited Lecture at IEEE PES Turkey Chapter, May 28, 2021. Virtual.
  24. Invited Panel presentation “Operation and Protection of Microgrids with High Penetration of IBRs”, PES & PELS 2021 6th IEEE Workshop on the Electronic Grid (eGrid 2021), November 2021, Virtual.
  25. IEEE PES Webinar: “Optimal Reconfiguration and Resilient Control Framework for Real-Time Photovoltaic Dispatch to Manage Critical Infrastructure” – co-presenter, May 4, 2022.
  26. Invited Presentation for TCE Lecture Series on Power Systems: “Challenges to Power System Protection in Presence of Renewables”, Indian Institute of Science, Bangalore, June 2, 2022.
  27. Invited Panel presentation “Considerations of AI in Protection”, IEEE PES General Meeting, August 2022, Denver, CO.
  28. Invited Presentation at Central Power Research Institute (CPRI), Bangalore, India: “Challenges to Power System Protection in Presence of Renewables”, Indian Institute of Science, Bangalore, December 23, 2022.
  29. Main speaker at the Workshop on Protection and Stability of Renewable Dominated Power Grids, Indian Institute of Science, Bangalore, January 2-4, 2023.
  30. IEEE Distinguished Lecturer Presentation, IEEE PES/IAS Chapter, Kansas City section: “Microgrid Protection”, April 4, 2023.

GRANTS:

New Mexico State University:

  1. California Energy Commission (CEC), Public Interest Energy Research (PIER) – Energy Innovations Small Grant (EISG): “Fault Location in Power Distribution System with Penetration of Distributed Energy Resources”, PI. November 1, 2008 – October 31, 2009.
  2. US Department of Energy: “Investigating Short Circuit Models for Wind Turbine Generators”,  PI. October 2009–December 2012.
  3. Pacific Gas and Electric: “Network Primary Model Development”,  PI. November 17, 2009 – July 31, 2014.
  4. Department of Energy: “Customer Driven Microgrid”, Investigator. Co-PI. November 2009 – December 2011.
  5. Sandia National Laboratories: “Microgrid Protection”, PI. May 2, 2011 – June 30, 2012.
  6. Interdesciplinary Research Grant, VPR’s office NMSU: “ Classification of Disturbance Data Generated by Phasor Measurement Units for Better Control and Protection of Power Grid”, as PI. January 2013 – May 2014.
  7. National Science Foundation: “CREST Center for Research – iCREDITS: interdisciplinary Center of Research Excellence in Design of Intelligent Technologies for Smartgrids”, as Co-PI. February 2014 – January 2019.
  8. El Paso Electric: “Transient Studies for El Paso Electric Company”, Co-PI. August 1, 2013 – July 31, 2014.
  9. Sandia National Laboratories: “Foundations for Protecting Renewable-Rich Distribution Systems ”, as PI. October 1, 2015 – September 30, 2016.
  10. National Science Foundation:CPS: Breakthrough: Collaborative Research: WARP: Wide Area assisted Resilient Protection, as PI at NMSU, Lead NSDU. September 15, 2015 – September 14, 2018.
  11. Sandia National Laboratories: “Protection of Grid-Connected and Islanded Renewable-Rich Distribution Systems”, as PI. January 2017 – December 31, 2018.

Clemson University:

  1. Part of the NSF CPS Grant (#10 above) Transferred – October 2018 – September, 2019.
  2. US Department of Energy: “Resilient Alaskan Distribution system Improvements using Automation, Network analysis, Control, and Energy storage (RADIANCE)”, as PI. Lead: Idaho National Lab. September 2018 – June, 2020.
  3. US Department of Energy: “SC-SECURED: a Southern Consortium for Storage-Enabled, Cyber-secure, Urban Resilient Electrical Distribution”, as PI. Lead: Sandia National Lab. Contract March 2019 – August, 2020.
  4. US Department of Energy: “Optimal Reconfiguration and Resilient Control Framework for Real-Time Photovoltaic Dispatch to Manage Critical Infrastructure (ReDis-PV)”, as PI. Lead UNC Charlotte. November 2019 – April, 2023.
  5. US Department of Energy: “Adaptive Protection and Control for High Penetration PV and Grid Resilience”, as PI. Lead Sandia National Lab. March 2020 – September, 2023.
  6. Idaho National Laboratories, “Alternative Grid Operations (AGO) Project”, as PI. August 2021 – December, 2022.
  7. Sandia National Laboratories: “Standardized Comprehensive Short Circuit Models for Wind Energy Generation”, as PI. April 2022 – March, 2025.

Students Graduated:

PhD:

NMSU:

  1. Suresh Gautam: “Real Time Applications of Mathematical Morphology in Power System Protection” – Graduated – Fall 2012. Employed with GE Energy.
  2. Om Prasad Dahal: “Comprehensive Identification of Disturbance Events Recorded by Phasor Measurement Units” – Graduated – Spring 2014. Employed with Burns and McDonald.
  3. Malati Chaudhary: “Investigating short circuit models for Wind Turbine Generators” – Graduated – Fall 2013. Employed with Public Service Company of New Mexico.

Clemson:

  1. Phani Harsha Gadde: “Protection of Microgrids : A scalable and topology agnostic scheme with self healing dynamic reconfiguration”, August 2022.

Masters:

NMSU:

  1. Kesavan Gokulakrishnan: Solution of Startup Problem in Bulk Handling Conveyer Systems- Graduated – Summer 2009. Employed with Freeport McMoran Copper and Gold Inc.
  2. Buyanni Prashanth Reddy: Short-circuit model for Fuel Cells – Graduated – Spring 2010.
  3. Sravan Kumar Buggaveeti: Improved Overcurrent Protection of Capacitor Banks using Mathematical Morphology – Graduated – Fall 2010. Employed with Siemens.
  4. Vrempala Sri Naga Aditya: Analysis and Simulation of Doubly Fed Asynchronous Generator – Graduated – Fall 2010.
  5. Henry Guan: Case Study: High Voltage at the High Lonesome Mesa Wind Farm- Graduated – Spring 2011. Employed with Sanida National Laboratory.
  6. Om Prasad Dahal: Modeling and Investigation of Various Options to Avoid the False Tripping Of Primary Distribution Feeder– Graduated – Spring 2013. Employed with Northern Indiana Public Service Company – NIPSCO.
  7. Sean Clifton: Elimination of Distribution Feeder Nuisance Tripping Via Point-On-Wave, Asynchronous Switching – Graduated – Fall 2013. Employed with Exponential Engineering.
  8. Shiva Prasad Pokharel: Modeling and Simulation of Three Phase Inverter to Investigate Fault Detection in Distribution Systems – Graduated – Spring 2014. Employed with Freeport McMoran Copper and Gold Inc.
  9. Chris Zubia: Short Circuit Modeling and Protection Implementation for A Type 3 Wind Turbine Generator Facility using ASPEN OneLiner – Graduated – Spring 2014. Employed with El Paso Electric Company.
  10. Phani Harsha Gadde: PMU Data Compression in Wide Area Monitoring Systems– Graduated – Fall 2015.
  11. Michael Brown: “Quantification and Filtering of Noise in Data Transmitted by Phasor Measurement Units” Graduated – Spring 2016.
  12. Tarek Mamlook: “Evaluation of Estimation Algorithms for P& M Class Phasor measurement Units” Graduated – Fall 2016.
  13. Jordan Johnson: “100% Stator Coverage Using Subharmonic Injection”, Graduated – Fall 2020.

Clemson-

  1. Austin Greenwood (EPRI),
  2. Trupal Patel (continued for PhD),
  3. Ahmad, Nasir Nadeeb (Fullbright Scholar from Afghanistan),
  4. Prabin Adhikari – May 2012 (continued for PhD).

Postdoctoral Fellows:

Milan Kumar Biswal: (August 1, 2014 – July 30, 2016)

Ravikumar Gelli – (January 2017 – January 2018)

Nataraj Pragallapati– (Started June 2017 – co-funded, NMSU)

Sijo Augustine (Started February 2018 – NMSU)

Hany Habib (2019-2021)

Mohamed Abuagreb (2021-2023)