A field of wheat that is set against a pretty sunset and an array of power line towers in the background
Mission

We converge to conceive, design, research, develop, de-risk and demonstrate the next generation smart grid with the grand objectives of increased resilience, decreased uncertainty and greater sustainability. We integrate our research into the education of the next-generation workforce for the industry. We foster fruitful collaborations with academia, national labs, government agencies and the industry.

Faculty

Current Projects

National Science Foundation
  • Collaborative Research: A Scalable Sustainability-Based Approach to a Novel Demand Response Paradigm in the Emerging Smart Grid | Grant number: 
  • Collaborative Research: CyberTraining: Implementation: Small: Multi-disciplinary Training of Learning, Optimization and Communications for Next Generation Power Engineers | Grant number: 
  • MRI: Acquisition of a Microgrid Cyber-Physical Testbed for Advanced Energy Management Systems | Grant number: 
Department of Energy
  • Development and validation of models to assess dynamic response of converter-dominated power systems across multiple spatiotemporal scales | Grant number: 

ֱs

Faculty

Dr. Reinaldo Tonkoski

  • 2021 Winner of the IET Premium (Best Paper) ֱ IET Smart Grid for the paper “Big data analytics in smart grids: state-of-the-art, challenges, opportunities, and future directions”, IET Smart Grid, 2019, 2, (2), p. 141-154, DOI: 10.1049/iet-stg.2018.0261
  • 2020 Excellence in Research ֱ 2020, Electrical Engineering and Computer Science Department, South ֱ State University
  • 2020 2020 IEEE PES Working Group Recognition ֱ – Technical Report: PES-TR66 Microgrid Stability Definitions, Analysis and Modeling (Published April 2018) Role: Working Group member
  • 2019 Jerome J. Lohr College of Engineering Distinguished Researcher 2019
  • 2017 Excellence in Advising ֱ 2017, Electrical Engineering and Computer Science Department, South ֱ State University
  • 2017 Best paper award in the IEEE ICIT 2017, Toronto, Canada
  • 2014 Best paper award in the smart grid track at the IEEE/IAS International Conference on Industry Applications - INDUSCON 2014.
  • 2014 Reliable and Resilient Microgrids for Data Centers, Duration: 05/2014-04/2015, 2014 Microsoft Research ֱ for the Software Engineering Innovation Foundation (SEIF), $40,000.00
  • 2002 Destaque no III Salão de Iniciação Científica PUCRS (Distinction on the III Undergraduate Scientific Meeting, PONTIFÍCIA UNIVERSIDADE DO RIO GRANDE DO SUL, PUCRS)
  • 2007 Teaching Fellowship, ֱed by Electrical and Computer Engineering Department, CONCORDIA UNIVERSITY, Canada
  • 2007 ֱed Concordia University International Tuition Fee Remission ֱ
  • 2010 IEEE IES Student Travel Grant to participate in the ISIE’2010 (Conference of the IEEE Industrial Electronics Society) to be hold in Bari, Italy. 8 Scholarships were granted among 35 students.

  • Dr. Tim Hansen

  • 2020 Graduate of the Last Decade, Milwaukee School of Engineering, Milwaukee, WI, received for accomplishments achieved of significant importance at an early stage of his career.
  • 2019 IEEE-HKN C. Holmes MacDonald Outstanding Teaching ֱ, received “for exceptional engagement of undergraduate students in electrical and computer engineering through pedagogical innovations, classroom technologies and curriculum development.”
  • Best paper award: “Parallel Implementation of AC Optimal Power Flow and Time-Constrained Optimal Power Flow using High-Performance Computing,” in IEEE 9th Annual Computing and Communication Workshop and Conference (CCWC 2019), Jan. 2019
  • EPSCoR South ֱ Discovery Center Science Communication Fellow, Fall 2018
  • Best paper award: “Metrics-Based Assessment of Sustainability in Demand Response,” in 15th IEEE International Conference on Smart City, Dec. 2017
  • Invited Visiting Faculty, Franche-Comte Electronics, Mechanics, Thermal Science, and Optics (FEMTO-ST), Energy Department, Universite de Technologie de Belfort-Montbeliard (UTBM), part of Universite Bourgogne Franche-Comte (UBFC), 90010 Belfort cedex, France, Summer 2017
  • Best paper award: “Spatial-Temporal Stochasticity of Electric Vehicles in an Integrated Traffic and Power System,” in 2016 IEEE International Conference on Electro/Information Technology (EIT’16) (out of approx. 125 papers), May 2016
Students

Hamza Tasneem

  • BENNETT Undergraduate EE Summer 2020 Research Fellowship ֱ

Publications

Conference Papers
  • M. Rauniyar, N. Bhujel, T. M. Hansen, R. Fourney, H.M. Rekabdarkolaee, R. Tonkoski, P. Cicilio, M. Shirazi, and U. Tamrakar, "Diesel Generator Model Development and Validation using Moving Horizon Estimation," IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, 2021, pp. 1-6, doi: 10.1109/IECON48115.2021.9589981.
  • S. Subedi, N. Guruwacharya, R. Fourney, H. M. Rekabdarkolaee, R. Tonkoski, T. M. Hansen,U. Tamrakar, and P. Cicilio, “Computationally efficient partitioned modeling of inverter dynamics with grid support functions,” in IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, pp. 1–6, 2021
  • C. Shah,  P. Cicilio, M. Shirazi, D. Light, D. Broderson, R. Wies, M. Rauniyar, R. Tonkoski,  and T. M. Hansen, "Model Development of Diesel Generator using Volts/Hertz Limiter and Comparing Governor Models for Remote Islanded Microgrids," IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, 2021, pp. 1-6, doi: 10.1109/IECON48115.2021.9589688.
  • T. Hussain, S. Suryanarayanan, T. M. Hansen, and SM. Shafiul Alam, “A computationally improved heuristic algorithm for transmission switching using line flow thresholds for load shed reduction,” accepted In: Proc. 2021 IEEE PES PowerTech, Madrid.
  • N. Bhujel, A. Rai, U. Tamrakar, T. M. Hansen, and R. Tonkoski, “A Model Predictive Approach for Voltage Support in Microgrids using Energy Storage Systems,” IEEE Power and Energy Society General Meeting (PESGM), 2021
  • N. Bhujel, U. Tamrakar, T. M. Hansen, R. H. Byrne, and R. Tonkoski, “Optimization-Based Estimation of Microgrid Equivalent Parameters for Voltage and Frequency Dynamics,” in IEEE Powertech, 2021
  • N. Guruwacharya, N. Bhujel, T. M. Hansen, S. Suryanarayanan, R. Tonkoski, U. Tamrakar, and F. Wilches-Bernal, “Modeling inverters with grid support functions for power system dynamics studies,” in 2021 IEEE Power Energy Society Innovative Smart Grid Technologies Conference (ISGT), pp. 1–5, 2021
  • S. Subedi, M. Rauniyar, S. Ishaq, T. M. Hansen, R. Tonkoski, M. Shirazi, R. Wies, and P. Cicilio, “Review of methods to accelerate electromagnetic transient simulation of power systems,”IEEE Access, vol. 9, pp. 89 714–89 731, 2021.
  • C. Shah, J. D. Vasquez-Plaza, D. D. Campo-Ossa, J. F. Patarroyo-Montenegro, N. Guruwacharya, N. Bhujel, R. D. Trevizan, F. A. Rengifo, M. Shirazi, R. Tonkoski, R. Wies, T. M. Hansen, and P. Cicilio, “Review of dynamic and transient modeling of power electronic converters for converter dominated power systems,”IEEE Access, vol. 9, pp. 82 094–82 117, 2021.
  • N. Guruwacharya, N. Bhujel, U. Tamrakar, M. Rauniyar, S. Subedi, S. E. Berg, T. M. Hansen, and R. Tonkoski, “Data-driven power electronic converter modeling for low inertia power system dynamic studies,” in 2020 IEEE Power Energy Society General Meeting (PESGM), pp. 1–5, 2020
  • U. Tamrakar, N. Guruwacharya, N. Bhujel, F. Wilches-Bernal, T. M. Hansen, and R. Tonkoski, “Inertia estimation in power systems using energy storage and system identification techniques,” in 2020 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), pp. 577–582, 2020
  • R. Mahat, K. Duwadi, F. B. D. Reis, R. Fourney, R. Tonkoski, and T. M. Hansen, “Techno-Economic Analysis of PV Inverter Controllers for Preventing Overvoltage in LV Grids,” in IEEE Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM) 2020, Sorrento, Italy, 6 pages, accepted 2020
  • N. Bhujel, U. Tamrakar, T. M. Hansen, R. H. Byrne, and R. Tonkoski, “Model Predictive Integrated Voltage and Frequency Support in Microgrids,” in North American Power Symposium (NAPS) 2020, Arizona, USA, 6 pages, 2020
  • M. Rauniyar, S. Berg, S. Subedi, T. M. Hansen, R. Fourney, R. Tonkoski, and U. Tamrakar, “Evaluation of probing signals for implementing moving horizon inertia estimation in microgrids,” in 2020 52nd North American Power Symposium (NAPS), 2021, pp. 1–6
  • A. Poudyal, U. Tamrakar, R. D. Trevizan, R. Fourney, R. Tonkoski, and T. M. Hansen, “Convolutional Neural Network-based Inertia Estimation using Local Frequency Measurements,” in North American Power Symposium (NAPS) 2020, Arizona, USA, 2020
  • P. Adhikari, S. Prajapati, I. Tamrakar, U. Tamrakar, and R. Tonkoski, “Parallel Operation of Virtual Synchronous Machines with Frequency Droop Control,” in 2017 IEEE International Conference on Power Systems (ICPS), pp. 116–120, Dec. 2018
  • A. Luna, , U. Tamrakar, T. M. Hansen, and R. Tonkoski, “Frequency Response in Grids with High Penetration of Renewable Energy Source,” in 2018 North American Power Symposium, pp. 1–5, Sept. 2018
  • A. Bajracharya, M. R. A. Khan, S. Michael, and R. Tonkoski, “Forecasting Data Center Load Using Hidden Markov Model,” in 2018 North American Power Symposium, pp. 1–5, Sept. 2018
  • M. H. Ullah, S. Chalise, U. Tamrakar, and R. Tonkoski, “Impact of battery operating conditions on remote microgrid’s energy management system,” in 2018 IEEE Power Energy Society General Meeting, pp. 1–5, 2018
  • B. Bhattarai, S. Paudyal, K. Myers, R. Turk, and R. Tonkoski, “Model Predictive Optimal Dispatch of Behind-the-meter Energy Storage Considering Onsite Generation Uncertainties,” in 2018 IEEE Power Energy Society General Meeting, pp. 1–5, 2018
  • S. Paudyal, B. Bhattarai, R. Tonkoski, S. Dahal, and O. Ceylan, “Comparative Study of Active Power Curtailment Methods on PVs for Preventing Overvoltage on Distribution Feeders,” in 2018 IEEE Power Energy Society General Meeting, pp. 1–5, 2018
  • P. Tandukar, L. Bajracharya, T. M. Hansen, R. Fourney, U. Tamrakar, and R. Tonkoski, “Real-Time Operation of a Data Center as Virtual Power Plant Considering Battery Lifetime,” in SPEEDAM 2018, pp. 1–5, 2018
  • U. Tamrakar, A. Luna, F. B. dos Reis, D. Shrestha, R. Fourney, and R. Tonkoski, “Virtual inertia emulation using commercial off-the-shelf inverters,” in 2018 IEEE Energy Conversion Congress and Exposition (ECCE), pp. 1–5, 2018
  • M. Maharjan, P. Tandukar, A. Bajracharya, F. B. dos Reis, U. Tamrakar, D. Shrestha, F. S. dos Reis, and R. Tonkoski, “SEPIC Converter with Wide Bandgap Semiconductor for PV Battery Charger,” in 2017 Brazilian Power Electronics Conference (COBEP), pp. 1–5, Nov. 2017
  • U. Tamrakar, N. Malla, D. Shrestha, Z. Ni, and R. Tonkoski, “Design of Online Supplementary Adaptive Dynamic Programming for Current Control in Power Electronic Systems,” in 2017 IEEE Energy Conversion Congress and Exposition (ECCE), pp. 3038–3043, Oct. 2017
  • M. Maharjan, U. Tamrakar, S. Bajagain, T. M. Hansen, and R. Tonkoski, “A Steady-State Equivalent Model of Solid State Transformers for Voltage Regulation Studies,” in 2017 IEEE Power Energy Society General Meeting, pp. 1–5, July 2017
  • P. Tandukar, A. Shakya, T. M. Hansen, R. Fourney, U. Tamrakar, and R. Tonkoski, “Genitor based energy management system for remote microgrids considering battery lifetime,” in Electrical Energy Storage Applications and Technologies (EESAT) Conference, pp. 1–5, 2017

 

Journals
  • Y. Zheng, B. Celik, S. Suryanarayanan, A. A. Maciejewski, H. J. Siegel, and T. M. Hansen, IET Smart Grid, May 2021, [Online Open Access] (last accessed: 5/21/2021)
  • F. B. D. Reis, T. M. Hansen, and R. Tonkoski, “Synthetic Residential Load Models for Smart City Energy Management Simulations,” The Institute of Engineering and Technology (IET) Smart Grid, vol. 3, pp. 342–354, May 2020
  • B. R. Shrestha, U. Tamrakar, T. M. Hansen, B. P. Bhattarai, S. James, and R. Tonkoski, “Efficiency and reliability analyses of ac and 380v dc distribution in data centers,” IEEE Access, 2018, accepted for publication
  • N. Malla, U. Tamrakar, D. Shrestha, Z. Ni, and R. Tonkoski, “Online Learning Control for Harmonics Reduction Based on Current Controlled Voltage Source Power Inverters,” IEEE/CAA Journal of Automatica Sinica, vol. 4, pp. 447–457, July 2017
  • U. Tamrakar, D. Shrestha, M. Maharjan, B. P. Bhattarai, T. M. Hansen, and R. Tonkoski, “Virtual Inertia: Current Trends and Future Directions,” Applied Sciences, vol. 7, p. 654, June 2017
  • M. A. Torres, R. Tonkoski, and C. R. Baier, “Operating Region of a Genset-Based Virtual Synchronous Generator,” IEEE Access 2017, vol. 4, pp. 1–11, accepted 2016
Patents
  • T. Hussain, S. Suryanarayanan, and SM. S. Alam, “Hybridized transmission switching for contingency management in electric power systems,” International patent application: PCT/US21/26540, patent pending, filed Apr. 9, 2021.
Opinions and editorials
  • (02/17/2021) NewsWire, last accessed on 04/14/2021. also archived as (02/18/2021) Brookings Register,  last accessed on 04/14/2021.
PowerJacks in the News
  • April 8, 2021 - regarding the Harold Hohbach professorship in electrical engineering investiture.
  • February 21, 2021 - Sid Suryanarayanan regarding rolling blackouts.
  • February 16, 2021 - Reinaldo Tonkoski regarding wind turbines being affected by severe cold.
Contact us
Photo of McComish Department of Electrical Engineering and Computer Science
McComish Department of Electrical Engineering and Computer Science
Physical Address
1250 8th St.
Brookings, SD 57007
Mailing Address
Daktronics Engineering Hall 214, Box 2222
Brookings, SD 57007
Hours
Mon - Fri: 8:00 a.m.-5:00 p.m.
Closed during state holidays.
Follow Us