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Power System Automation Laboratory

Texas A&M University College of Engineering

Publications

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*For the full list of publications, see Dr. Karen Butler-Purry’s Google Scholar Profile
*denotes graduate student author.

Journal Publications

A. Heidari-Akhijahani*, K. L. Butler-Purry, “A Review on Black-Start Service Restoration of Active Distribution Systems and Microgrids,” Energies 17, no. 1: 100, 2024. DOI: Link


M. Mehrubeoglu, K. Kelly, K. Butler-Purry, et. al, “Facilitating the Transition of Underrepresented Minority STEM Dissertators into Academic Careers: Evolution of TxARM AGEP Alliance Model,” Journal of STEM Education: Innovations and Research, vol. 24, no. 1, pp. 31-41, August 2023. DOI: Link


O. Bassey*, K. L. Butler-Purry, “Islanded Microgrid Restoration Studies with Graph-Based Analysis,” Energies, 15, 6979, September 2022. DOI: Link


M. Preuss, S. Merriweather, J. Avila, K. Butler-Purry, K. Watson, S. Walton, P. Obiomon, F. Pezold, J. Murry, M. Roth, J. Kelley, H. Lamm, “The Effects of Undergraduate Research Experiences as Reported by Texas A&M University System Louis Stokes Alliance for Minority Participation Students,” Frontiers in Education, vol. 2, May 2022, DOI: Link


T. Murphrey, C. R. Carter, E. G. Regisford, L. E. Carson, K. Butler-Purry, A. R. Carter-Sowell, A. Ganesan, A. Richburg, “An Examination of the Paths of Successful Diverse STEM Faculty: Insight for Programming,” Frontiers in Education, vol. 7, May 2022, DOI: Link


O. Bassey*, C. Chen, KL Butler-Purry, “Linear power flow formulations and optimal operation of three- phase autonomous droop-controlled Microgrids,” Electric Power Systems Research, 2021.


M. Preuss, S. Merriweather, J. Avila, K. Butler-Purry, K. Watson, S. Walton, P. Obiomon, F. Pezold, J. Murry, M. Roth, J. Kelley, H. Lamm, M. Alves, S. Garcia, “The Impacts of Global Research and International Educational Experiences on Texas A&M University System LSAMP Participants,” Frontiers in Education, vol 6, July 2021.


M. Oren*, S. Pedersen, K Butler-Purry, “Teaching Digital Circuit Design With a 3-D Video Game: The Impact of Using In-Game Tools on Students’ Performance”, IEEE Transactions on Education, vol 64, issue 1, Feb. 2021, pp. 24-31.


S. Pedersen, K. Butler-Purry, M. Oren*, “Planet K: The application of game and instructional design practices in the formative evaluation of an educational game prototype,” Computer Game Development and Education: An International Journal vol 1, issue 2, 2020, pp. 1 – 14


S Pedersen, M Oren*, K Butler-Purry, “A Comparison of Text-with-Images and Video-Based Instructional Guidance in an Educational Video Game,” Journal of Interactive Learning Research, 2020


O. Bassey* and K. Butler-Purry, “Black Start Restoration of Islanded Droop-Controlled Microgrids” Energies 13, no. 22: 5996, 2020. DOI: Link


O. Bassey*, K. L. Butler-Purry and B. Chen, “Dynamic Modeling of Sequential Service Restoration in Islanded Single Master Microgrids,” IEEE Transactions on Power Systems, vol. 35, no. 1, pp. 202-214, Jan. 2020, DOI: Link


M. Preuss, S. Merriweather, K. Butler-Purry, S. Walton, “International Research Exposure: Impact on Early- Career, Undergraduate Engineering Students,” Proceedings of International Conference on Social and Education Sciences, 2020.


C Patterson, C Chang, C Lavadia, M Pardo, D Fowler, K Butler-Purry, “Transforming Doctoral Education: Preparing Multidimensional and Adaptive Scholars,” Studies in Graduate and Postdoctoral Education, vol. 11, No. 1, pp. 17-34, March 2019, DOI: Link


R. G Moreira, K. Butler-Purry, A. Carter-Sowell, S. Walton, I. V Juranek, L. Challoo, G. Regisford, R. Coffin, A. Spaulding, “Innovative Professional Development and Community Building Activity Program Improves STEM URM Graduate Student Experiences,” International Journal of STEM Education, v 6, issue 1, October 2019


A.M. Abdullah, K. Butler-Purry, “Secure transmission line distance protection during wide area cascading events using artificial intelligence,” Electric Power Systems Research, Volume 175, 2019, 105914, DOI: Link


R Autenrieth, C Lewis, K Butler-Purry, “Enrichment Experiences in Engineering (E3) Summer Teacher Program: Analysis of Student Surveys Regarding Engineering Awareness,” Journal of STEM Education: Innovations and Research, vol. 19, issue 4, 2018


B Chen*, C Chen, J Wang, KL Butler-Purry, “Multi-time step service restoration for advanced distribution systems and microgrids,” IEEE Transactions on Smart Grid, 9 (6), pp. 6793-6805, March 2018.


B Chen*, C Chen, J Wang, KL Butler-Purry, “Sequential service restoration for unbalanced distribution systems and microgrids,” IEEE Transactions on Power Systems, 33 (2), pp. 1507-1520, 2018.


X Feng*, KL Butler-Purry, T Zourntos, “Real-time electric load management for DC zonal all-electric ship power systems,” Electric Power Systems Research, 154, pp. 503-514, Jan. 2018.


AM Abdullah*, K Butler-Purry, “Distance protection zone 3 misoperation during system wide cascading events: The problem and a survey of solutions,” Electric Power Systems Research, 154, pp. 151-159, 2018.


R. Autenrieth, C. Lewis, K. Butler-Purry, “Long-Term Impact of the Enrichment Experiences in Engineering (E3) Summer Teacher Program”, Journal of STEM Education: Innovations and Research, vol. 18, issue 1, January 2017.


E. Mayhorn*, L. Xie, K. Butler-Purry, “Multi-time Scale Coordination of Distributed Energy Resources in Isolated Power Systems,” IEEE Transactions on Smart Grid, volume 8, issue 2, March 2017, pp. 998- 1005.


S. Mashayekh*; K. L. Butler-Purry; “An Integrated Security-Constrained Model-Based Dynamic Power Management Approach for Isolated Microgrids in All-Electric Ships”, IEEE Transactions on Power Systems, volume 30, issue 6, Nov. 2015, pp. 2934-2945.


X. Feng*, K.L. Butler-Purry, T. Zourntos, “A Multi-Agent System Framework for Real-Time Electric Load Management in MVAC All-Electric Ship Power Systems,” IEEE Trans. on Power Systems, volume 30, issue 2, 2015, pp. 1327 – 1336.


J. Wei*, D. Kundur and K. L. Butler-Purry, “A Novel Bio-Inspired Technique for Rapid Real-Time Generator Coherency Identification,” IEEE Transactions on Smart Grid, Volume 6, Issue 1, Jan. 2015, pp. 178 – 188.


S. Liu*; Bo Chen*; T. Zourntos; D. Kundur; K.L. Butler-Purry; “A Coordinated Multi-Switch Attack for Cascading Faailures in Smart Grid,” IEEE Transactions on Smart Grid, volume 5, issue 3, May 2014, pp. 1183 – 1195.


J. Wei*, D. Kundur, T. Zourntos, and K. L. Butler-Purry, “;A Flocking-Based Paradigm for Hierarchical Cyber-Physical Smart Grid Modeling and Control”, IEEE Transactions on Smart Grid, Volume 5, Issue 6, pp 2687 – 2700, Nov. 2014.


S. Liu*, S. Mashayehk*, D. Kundur, T. Zourntos and K.L. Butler-Purry, “A Framework for Modeling Cyber-Physical Switching Attacks in Smart Grid,” IEEE Transactions on Emerging Topics in Computation Special Issue in Cyber-Physical Systems, vol. 1, no. 2, pp. 273-285, December 2013.


M. Falahi*, K. Butler-Purry, M. Ehsani, “Reactive power coordination of shipboard power systems in presence of pulsed loads,” IEEE Transactions on Power Systems, Vol. 28, No. 4, November 2013, pp. 3675-3682.


M. Falahi*, H.M. Chou*, M. Ehsani, L. Xie, K. L. Butler-Purry, “Potential Power Quality Benefits of Electric Vehicles,” IEEE Transactions on Sustainable Energy, Vol. 4, No. 4, October 2013, pp. 1016-1023.


M. Falahi*, K. Butler-Purry, M. Ehsani, “Dynamic Reactive Power Control of Islanded Microgrids,” IEEE Transactions on Power Systems, Vol. 28, No. 4, November 2013, pp. 3649-3657.


C. Page, C. Lewis, R. Autenrieth, K. Butler-Purry, “Enrichment Experiences in Engineering (E3) for Teachers Summer Research Program: An Examination of Mixed-Method Evaluation Findings on High School Teacher Implementation of Engineering Content in High School STEM Classrooms,” Journal of STEM Education, 14(3), 2013, pp. 10-16.


X. Feng*, K. L. Butler-Purry, T. Zourntos, “Multi-Agent System-Based Real-Time Load Management for All-Electric Ship Power Systems in DC Zone Level,” IEEE Transactions on Power Systems, November 2012.


D. Kundur, X. Feng*, S. Mashayekh*, S. Liu*, T. Zourntos, and K. L. Butler-Purry, “Towards modeling the impact of cyber attacks on a smart grid,” International Journal on Security and Networks Special Issue on Security and Privacy in Smart Grid, vol. 6, no. 1, Jan. 2011.


H. Funmilayo*, J. Silva*, K. Butler-Purry, “Overcurrent Protection for the IEEE 34 Node Test Feeder,” IEEE Transactions on Power Delivery, vol. 27, pp. 459-468, 2012.


M. Mousavi* and K. L. Butler-Purry, “Detecting Incipient Faults via Numerical Modeling and Statistical Change Detection,” IEEE Transactions on Power Delivery, vol. 25, issue 3, 2010, pp. 1275-1283.


M. Mousavi*, K. L. Butler-Purry, “A Novel Condition Assessment System for Underground Distribution Cable Applications,” IEEE Transactions on Power Systems, vol. 24, issue 3, August 2009, pp. 1115-1125.


S. K. Srivastava* and K. L. Butler-Purry, “Probability Based Predictive Self-Healing Reconfiguration Method for Shipboard Power Systems,” IET Generation, Transmission and Distribution, vol. 1, issue 3, May 2007, pp. 405-413.


K. L. Butler-Purry, NDR Sarma, “Geographical Information Systems for Automation of Shipboard Power Systems,” Naval Engineers Journal, vol. 118, no. 1, Winter 2006, pp. 63-75.


S. Srivastava* and K. L. Butler-Purry, “Expert-system Method for Automatic Reconfiguration for Restoration of Shipboard Power Systems,” IEE Proceedings Generation, Transmission and Distribution, Vol. 153, Issue 3, May 2006, pp. 253-260.


K.L. Butler-Purry, NDR Sarma, “Self-Healing Reconfiguration for Restoration of Naval Shipboard Power Systems,” IEEE Transactions on Power Systems, vol. 19, issue 2, May 2004, pp. 754-762.


K. L. Butler-Purry, N.D.R. Sarma, I.V. Hicks, “Service Restoration in Naval Shipboard Power Systems,” IEE Proceedings – Generation, Transmission and Distribution, vol. 151, issue 1, Jan. 2004, pp. 95-102.


K. Butler-Purry, M. Bagriyanik, “Characterization of Transients in Transformers Using Discrete Wavelet Transforms,” IEEE Transactions on Power Systems, vol. 18, no. 2, May 2003, pp. 648-656.


C. Richards*, C. Benner, K. Butler, B. D. Russell, “Electrical Behavior of Contaminated Distribution Insulators Exposed to Natural Wetting,” IEEE Transactions on Power Delivery, vol. 18, no. 2, April 2003, pp. 551-558.


H. Wang*, K. L. Butler, “Modeling Transformers with Internal Incipient Faults,” IEEE Transactions on Power Delivery, vol. 17, no. 2, April 2002, pp. 500-509.


S. Srivastava*, K. Butler-Purry, NDR Sarma, “Shipboard Power Restored for Active Duty,” IEEE Computer Applications in Power, vol. 15, no. 3, July 2002, pp. 16-23.


Z. Rahman*, M. Ehsani, K. Butler, “An Investigation of Traction Motor Characteristics on EV-HEV Propulsion Systems,” 2000 SAE Transactions, vol. 109, Journal of Passenger Cars – Mechanical Systems, Section 6.


K. Butler, N. Sarma, V. Prasad, “Network Reconfiguration for Service Restoration in Shipboard Power Distribution Systems,” IEEE Transactions on Power Systems, vol. 16, no. 4, Nov. 2001, pp. 653-661.


H. Wang*, K. L. Butler, “Finite Element Analysis of Internal Winding Faults in Distribution Transformers,” IEEE Transactions on Power Delivery, vol. 16, issue 3, July 2001, pp. 422-427.


H. Zhang*, K. L. Butler, N. D. R. Sarma, H. DoCarmo*, S. Gopalakrishnan*, A. Adediran*, “Analysis of tools for simulation of Shipboard Electric Power Systems,” Electric Power System Research Journal, Volume 58, Issue 2, June 2001, pp. 111-122.


Z. Rahman*, M. Ehsani, K. Butler, “Effect of Motor Short Circuit On EV-HEV Traction Systems,” SAE Special Publications, Book 1559, Paper #: 2000-01-3063, August 2000, Future Engines.


K. L. Butler, M. Ehsani, P. Kamath*, “A Matlab-based Modeling and Simulation Package for Electric and Hybrid Electric Vehicles Design,” IEEE Transactions on Vehicular Technology – Special Issue on Hybrid Electric Vehicles, vol. 48, no. 6, Nov. 1999, pp. 1770-1778.


M. Ehsani, Y. Gao, K. Butler, “Application of Electrically Peaking Hybrid (ELPH) Propulsion System to a Full Size Passenger Car with Simulated Design Verification,” IEEE Transactions on Vehicular Technology – Special Issue on Hybrid Electric Vehicles, vol. 48, no. 6, Nov. 1999, pp. 1779-1787.


Z. Rahman*, K. Butler, M. Ehsani, “A Study of Design Issues on Electrically Peaking Hybrid Electric Vehicles for Diverse Urban Driving Patterns,” Advances in Electric Vehicle Technologies, Book SP-1417, Paper #: 1999-01-1151, Society of Automotive Engineers, March 1999, pp. 1-9.


K. Butler, NDR Sarma, C. Whitcomb, H. Do Carmo*, H. Zhang*, “Shipboard Systems Deploy Automated Protection,” IEEE Computer Applications in Power, vol. 11, no. 2, April 1998, pp. 31-36.


K. L. Butler, J. A. Momoh, D. J. Sobajic, “Field Studies using a Neural Net Based Approach for Fault Location in Distribution Networks,” IEE Proceedings: Generation, Transmission, and Distribution, vol. 144, no. 5, Sept. 1997, pp. 429-436.


G. Garcia*, K. Butler, and N. Stubbs, “Relative Performance of Neural Networks and Statistical Pattern Recognition in Nondestructive Damage Localization,” Smart Materials and Structures Journal, vol. 6, 1997, pp. 415-424.


K. L. Butler, J. Momoh, L. Dias, and D. Sobajic, “An Approach to Power Distribution Fault Diagnosis using Neural Net based Supervised Clustering Methodology,” International Journal of Engineering Intelligent Systems, vol. 5, no. 1, March 1997, pp. 51-57.


K. L. Butler, K. M. Stevens*, and M. Ehsani, “A Versatile Computer Simulation Tool for Design and Analysis of Electric and Hybrid Drive Trains,” Electric and Hybrid Vehicle Design Studies, Book SP-1243, Paper #: 970199, February 1997, pp. 19-25.


Books

K Butler-Purry, S. (NDR) Nuthalapati, and S. K. Srivastava. “Self-Healing Shipboard Power Systems”. In J. S. Tietjen, M. D. Ilic, L. Bertling Tjernberg, and N. N. Schulz (Ed.), Women in Power: Research and Development Advances in Electric Power Systems. Cham, Switzerland: Springer International Publishing, pp. 467-491, 2023, DOI: Link.


D. Kundur, S. Mashayehk*, X. Feng*, S. Liu*, K. L. Butler-Purry and T. Zourntos, “Cyber Attack Impact Analysis for the Smart Grid,” in Smart Grid Communications and Networking, V. Poor, Z. Han and E. Hossain, (Eds.), Cambridge University Press, pp. 353-372, July 2012.


K. Butler-Purry and H.-M. Chou*. “Real-Time Rapid Embedded Power System Control Prototyping Simulation Test-Bed Using LabVIEW and RTDS. In Folea Silviu (Ed.), Practical Applications and Solutions Using LabVIEW™ Software”. InTech Publishers, August 2011. ISBN 978 953-307-650-8. Open access book. http://www.intechopen.com/articles/show/title/real-time-rapid-embedded-power-system- control-prototyping-simulation-test-bed-using-labview-and-rtds


V. Srinivasan, K. Butler-Purry and S. Pedersen. “Developing Educational Games for Engineering Education – A Case Study, In Patrick Felicia (Ed.), Handbook of Research on Improving Learning and Motivation through Educational Games: Multidisciplinary Approaches,” IGI Global Publishing Company, April 2011. DOI: Link


K. Butler-Purry. In search of community: The challenges and successes of an isolated engineer. In C.A. Stanley (Ed.), Faculty of color teaching in predominantly white colleges and universities. Bolton, MA: Anker Publishing Company, June 2006.


Conference Proceedings

K. Thongmai, V. Bobato, K. Butler-Purry and A. Goulart, “Cyber Security Use Case on a Smart Power Distribution System – Physical Subsystem,” 2025 IEEE PES Grid Edge Technologies Conference & Exposition (Grid Edge), San Diego, CA, USA, 2025, pp. 1-5, doi: 10.1109/GridEdge61154.2025.10887477.


I. Ullah*, K. L. Butler-Purry, R. Bent, H. Nagarajan, and A. Barnes, “Studying a Black Start Restoration in Active Distribution System”, Poster presented at 2025 Grid Science Winter School and Conference,
January 6-10, 2025, Los Alamos, NM.


I. Ullah*, K. L. Butler-Purry, R. Bent, H. Nagarajan, and A. Barnes, “Studying Power Loss Minimization in Active Distribution Systems Using PMD”, In Proceedings of Texas Power and Energy Conference (TPEC), February 10-11, 2025, College Station, TX.


K. Thongmai*, V. Bobato*, K. Butler-Purry, and A. Goulart, “Cyber Security Use Case on a Smart Power Distribution System: Physical Subsystem,” in Proceedings of IEEE PES Grid Edge Technologies Conference and Exposition, January 21-23, 2025, San Diego, CA.


V. Bobato*, K. Thongmai*, A. Goulart, and K. Butler-Purry, “Cyber Security of a Smart Power Distribution System: Cyber Subsystem Use Case,” in Proceedings of IEEE PES Grid Edge Technologies Conference and Exposition, January 21-23, 2025, San Diego, CA.


I. Ullah*, A. Heidari-Akhijahani*, and K. L. Butler-Purry, “Sequential Black Start Restoration in Active Distribution Network and Microgrids Using the PowerModelsDistribution Package,” In Proceedings of 2024 56th North American Power Symposium (NAPS), El Paso, TX, USA, 2024, pp. 1-6, doi: Link


 L. Al Homoud*, K. Al-Assaf*, K. Davis, and K. Butler-Purry, “Large-Scale Distribution Systems: Solar Integration and Load Demand Fluctuation Case Studies," In Proceedings of 2024 56th North American Power Symposium (NAPS), El Paso, TX, USA, 2024, pp. 1-6, doi: Link.


A. Heidari-Akhijahani*, K. L. Butler-Purry, “Black-Start Service Restoration of Unbalanced Distribution Systems Considering Frequency Stability Constraints,” In Proceedings of 2023 IEEE Power & Energy Society General Meeting (PESGM), pp. 1-5, July 2023, Orlando, FL.


M. D. Preuss, J.A. Avila, K. L. Butler-Purry, S. Walton, A. Myint, M. C. Alves, J. Walewski, Z. Medina- Cetina, K. Withers, K.D. Bahr, S. Sentz, and B. Szczerbinska, “Case study: International summer research experiences sponsored by TAMUS LSAMP,” In Proceedings of 2023 ASEE Annual Conference and Exposition, June 2023, Baltimore, MD.


A. Heidari-Akhijahani*, K. L. Butler-Purry, “Phase Unbalance Impacts on Black-Start Service Restoration of Distribution Networks,” In Proceedings of 2023 IEEE Texas Power and Energy Conference (TPEC), pp. 1-6, Feb. 2023, College Station, TX.


A. Umunnakwe*, A. Alimi*, K. R Davis, K. L. Butler-Purry, “Improving Situational Awareness in Power Grids of Developing Countries: A Case Study of the Nigerian Grid,” Proceedings of 2023 IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT), Jan. 2023, Washington, DC.


K. Al-Assaf*, A. Alimi*, K Butler-Purry, “Reducing Number of Communication Devices in Microgrids Using Machine Learning,” Proceedings of 2022 North American Power Symposium (NAPS), Oct. 2022, Salt Lake City, Utah.


J. Avila, H. Zhang, J. Hogan, B. Szczerbinska, K. Withers, K. Bahr, S. Garcia, M. Alves, A. Myint, M. Preuss, S. Merriweather, S. Walton, K. Butler-Purry, “Designing International Research Experiences to Engage Underrepresented Minority Undergraduates and Introduce Them to Graduate School,” Proceedings of American Society of Engineering Education (ASEE) Annual Conference & Exposition, June 2022.


M. Mehrubeoglu, S. Walton, R. Richardson, K. Butler-Purry, S. King, K. Kelly, “Academic Job Preparation for Underrepresented STEM Dissertators, Postdoctoral Researchers, and Early Career Faculty: Contributions to an Institutional Partnership Model for Promoting Diversification of the Professoriate,” Proceedings of American Society of Engineering Education (ASEE) Annual Conference & Exposition, June 2022.


T. Murphrey, L. Morris, R. Richardson, S. Walton, A. Ganesan, K. Butler-Purry, R. Moreira, K. Kelly, “Using the Case Study Method to Demonstrate URM STEM Graduate Student Success and How to Promote Participation,” Proceedings of 2021 Southwest Educational Research Association (SERA), Feb. 2021.


M. Preuss, S. Merriweather, K. Butler-Purry, S. Walton, “International Research Exposure: Impact on Early-Career, Undergraduate Engineering Students,” Proceedings of IConSES 2020–International Conference on Social and Education Science, Oct. 2020, pp. 1-15.


K. Butler-Purry, “Wellness Within Reach: Promoting Graduate and Professional Student Well-Being at Texas A&M University”, Cultural Contexts of Health and Well-being in Graduate Education, Online Proceedings of Global Summit 2019, Council of Graduate Schools, Manchester, United Kingdom, September 2019, Link


M. Oren*, S. Pedersen, K. Butler-Purry, “The Factors Influencing Students’ Perceptions towards the Use of a Game-based Assessment,” Proceedings of 2019 American Educational Research Association, Toronto, Canada


O. Bassey*, B. Chen*, K. Butler-Purry and C. Chen, “Dynamic Simulation of Distribution Systems and Microgrids for Reconfiguration Studies using PSCAD/EMTDC,” 2019 North American Power Symposium (NAPS), Wichita, KS, USA, 2019, pp. 1-6, doi: Link.


O. Bassey*, K. Butler-Purry and B. Chen*, “Active and Reactive Power Sharing in Inverter Based Droop-Controlled Microgrids,” 2019 IEEE Power & Energy Society General Meeting (PESGM), Atlanta, GA,USA, 2019, pp. 1-5, doi: Link


O Bassey*, K. Butler-Purry, “Modeling Single-Phase PQ Inverter for Unbalanced Power Dispatch in Islanded Microgrid,” Proceedings of 2019 IEEE Texas Power and Energy Conference (TPEC), Feb. 2019, College Station, TX.

People

Faculty Profiles

B. Don Russell

Carl L. Benner

Karen L. Butler-Purry

Jeffrey Wischkaemper

Karthick Manivannan

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