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: 

Awards

Faculty

Dr. Reinaldo Tonkoski

  • 2021 Winner of the IET Premium (Best Paper) Award IET Smart Grid for the paper 鈥淏ig data analytics in smart grids: state-of-the-art, challenges, opportunities, and future directions鈥, IET Smart Grid, 2019, 2, (2), p. 141-154, DOI: 10.1049/iet-stg.2018.0261
  • 2020 Excellence in Research Award 2020, Electrical Engineering and Computer Science Department, 日本av视频
  • 2020 2020 IEEE PES Working Group Recognition Award 鈥 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 Award 2017, Electrical Engineering and Computer Science Department, 日本av视频
  • 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 Award for the Software Engineering Innovation Foundation (SEIF), $40,000.00
  • 2002 Destaque no III Sal茫o de Inicia莽茫o Cient铆fica PUCRS (Distinction on the III Undergraduate Scientific Meeting, PONTIF脥CIA UNIVERSIDADE DO RIO GRANDE DO SUL, PUCRS)
  • 2007 Teaching Fellowship, Awarded by Electrical and Computer Engineering Department, CONCORDIA UNIVERSITY, Canada
  • 2007 Awarded Concordia University International Tuition Fee Remission Award
  • 2010 IEEE IES Student Travel Grant to participate in the ISIE鈥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 Award, received 鈥渇or exceptional engagement of undergraduate students in electrical and computer engineering through pedagogical innovations, classroom technologies and curriculum development.鈥
  • Best paper award: 鈥淧arallel Implementation of AC Optimal Power Flow and Time-Constrained Optimal Power Flow using High-Performance Computing,鈥 in IEEE 9th Annual Computing and Communication Workshop and Conference (CCWC 2019), Jan. 2019
  • EPSCoR South Dakota Discovery Center Science Communication Fellow, Fall 2018
  • Best paper award: 鈥淢etrics-Based Assessment of Sustainability in Demand Response,鈥 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: 鈥淪patial-Temporal Stochasticity of Electric Vehicles in an Integrated Traffic and Power System,鈥 in 2016 IEEE International Conference on Electro/Information Technology (EIT鈥16) (out of approx. 125 papers), May 2016
Students

Hamza Tasneem

  • BENNETT Undergraduate EE Summer 2020 Research Fellowship Award

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 鈥 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, 鈥淐omputationally efficient partitioned modeling of inverter dynamics with grid support functions,鈥 in IECON 2021 鈥 47th Annual Conference of the IEEE Industrial Electronics Society, pp. 1鈥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 鈥 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, 鈥淎 computationally improved heuristic algorithm for transmission switching using line flow thresholds for load shed reduction,鈥 accepted In: Proc. 2021 IEEE PES PowerTech, Madrid.
  • N. Bhujel, A. Rai, U. Tamrakar, T. M. Hansen, and R. Tonkoski, 鈥淎 Model Predictive Approach for Voltage Support in Microgrids using Energy Storage Systems,鈥 IEEE Power and Energy Society General Meeting (PESGM), 2021
  • N. Bhujel, U. Tamrakar, T. M. Hansen, R. H. Byrne, and R. Tonkoski, 鈥淥ptimization-Based Estimation of Microgrid Equivalent Parameters for Voltage and Frequency Dynamics,鈥 in IEEE Powertech, 2021
  • N. Guruwacharya, N. Bhujel, T. M. Hansen, S. Suryanarayanan, R. Tonkoski, U. Tamrakar, and F. Wilches-Bernal, 鈥淢odeling inverters with grid support functions for power system dynamics studies,鈥 in 2021 IEEE Power Energy Society Innovative Smart Grid Technologies Conference (ISGT), pp. 1鈥5, 2021
  • S. Subedi, M. Rauniyar, S. Ishaq, T. M. Hansen, R. Tonkoski, M. Shirazi, R. Wies, and P. Cicilio, 鈥淩eview of methods to accelerate electromagnetic transient simulation of power systems,鈥滻EEE Access, vol. 9, pp. 89 714鈥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, 鈥淩eview of dynamic and transient modeling of power electronic converters for converter dominated power systems,鈥滻EEE Access, vol. 9, pp. 82 094鈥82 117, 2021.
  • N. Guruwacharya, N. Bhujel, U. Tamrakar, M. Rauniyar, S. Subedi, S. E. Berg, T. M. Hansen, and R. Tonkoski, 鈥淒ata-driven power electronic converter modeling for low inertia power system dynamic studies,鈥 in 2020 IEEE Power Energy Society General Meeting (PESGM), pp. 1鈥5, 2020
  • U. Tamrakar, N. Guruwacharya, N. Bhujel, F. Wilches-Bernal, T. M. Hansen, and R. Tonkoski, 鈥淚nertia estimation in power systems using energy storage and system identification techniques,鈥 in 2020 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), pp. 577鈥582, 2020
  • R. Mahat, K. Duwadi, F. B. D. Reis, R. Fourney, R. Tonkoski, and T. M. Hansen, 鈥淭echno-Economic Analysis of PV Inverter Controllers for Preventing Overvoltage in LV Grids,鈥 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, 鈥淢odel Predictive Integrated Voltage and Frequency Support in Microgrids,鈥 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, 鈥淓valuation of probing signals for implementing moving horizon inertia estimation in microgrids,鈥 in 2020 52nd North American Power Symposium (NAPS), 2021, pp. 1鈥6
  • A. Poudyal, U. Tamrakar, R. D. Trevizan, R. Fourney, R. Tonkoski, and T. M. Hansen, 鈥淐onvolutional Neural Network-based Inertia Estimation using Local Frequency Measurements,鈥 in North American Power Symposium (NAPS) 2020, Arizona, USA, 2020
  • P. Adhikari, S. Prajapati, I. Tamrakar, U. Tamrakar, and R. Tonkoski, 鈥淧arallel Operation of Virtual Synchronous Machines with Frequency Droop Control,鈥 in 2017 IEEE International Conference on Power Systems (ICPS), pp. 116鈥120, Dec. 2018
  • A. Luna, , U. Tamrakar, T. M. Hansen, and R. Tonkoski, 鈥淔requency Response in Grids with High Penetration of Renewable Energy Source,鈥 in 2018 North American Power Symposium, pp. 1鈥5, Sept. 2018
  • A. Bajracharya, M. R. A. Khan, S. Michael, and R. Tonkoski, 鈥淔orecasting Data Center Load Using Hidden Markov Model,鈥 in 2018 North American Power Symposium, pp. 1鈥5, Sept. 2018
  • M. H. Ullah, S. Chalise, U. Tamrakar, and R. Tonkoski, 鈥淚mpact of battery operating conditions on remote microgrid鈥檚 energy management system,鈥 in 2018 IEEE Power Energy Society General Meeting, pp. 1鈥5, 2018
  • B. Bhattarai, S. Paudyal, K. Myers, R. Turk, and R. Tonkoski, 鈥淢odel Predictive Optimal Dispatch of Behind-the-meter Energy Storage Considering Onsite Generation Uncertainties,鈥 in 2018 IEEE Power Energy Society General Meeting, pp. 1鈥5, 2018
  • S. Paudyal, B. Bhattarai, R. Tonkoski, S. Dahal, and O. Ceylan, 鈥淐omparative Study of Active Power Curtailment Methods on PVs for Preventing Overvoltage on Distribution Feeders,鈥 in 2018 IEEE Power Energy Society General Meeting, pp. 1鈥5, 2018
  • P. Tandukar, L. Bajracharya, T. M. Hansen, R. Fourney, U. Tamrakar, and R. Tonkoski, 鈥淩eal-Time Operation of a Data Center as Virtual Power Plant Considering Battery Lifetime,鈥 in SPEEDAM 2018, pp. 1鈥5, 2018
  • U. Tamrakar, A. Luna, F. B. dos Reis, D. Shrestha, R. Fourney, and R. Tonkoski, 鈥淰irtual inertia emulation using commercial off-the-shelf inverters,鈥 in 2018 IEEE Energy Conversion Congress and Exposition (ECCE), pp. 1鈥5, 2018
  • M. Maharjan, P. Tandukar, A. Bajracharya, F. B. dos Reis, U. Tamrakar, D. Shrestha, F. S. dos Reis, and R. Tonkoski, 鈥淪EPIC Converter with Wide Bandgap Semiconductor for PV Battery Charger,鈥 in 2017 Brazilian Power Electronics Conference (COBEP), pp. 1鈥5, Nov. 2017
  • U. Tamrakar, N. Malla, D. Shrestha, Z. Ni, and R. Tonkoski, 鈥淒esign of Online Supplementary Adaptive Dynamic Programming for Current Control in Power Electronic Systems,鈥 in 2017 IEEE Energy Conversion Congress and Exposition (ECCE), pp. 3038鈥3043, Oct. 2017
  • M. Maharjan, U. Tamrakar, S. Bajagain, T. M. Hansen, and R. Tonkoski, 鈥淎 Steady-State Equivalent Model of Solid State Transformers for Voltage Regulation Studies,鈥 in 2017 IEEE Power Energy Society General Meeting, pp. 1鈥5, July 2017
  • P. Tandukar, A. Shakya, T. M. Hansen, R. Fourney, U. Tamrakar, and R. Tonkoski, 鈥淕enitor based energy management system for remote microgrids considering battery lifetime,鈥 in Electrical Energy Storage Applications and Technologies (EESAT) Conference, pp. 1鈥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, 鈥淪ynthetic Residential Load Models for Smart City Energy Management Simulations,鈥 The Institute of Engineering and Technology (IET) Smart Grid, vol. 3, pp. 342鈥354, May 2020
  • B. R. Shrestha, U. Tamrakar, T. M. Hansen, B. P. Bhattarai, S. James, and R. Tonkoski, 鈥淓fficiency and reliability analyses of ac and 380v dc distribution in data centers,鈥 IEEE Access, 2018, accepted for publication
  • N. Malla, U. Tamrakar, D. Shrestha, Z. Ni, and R. Tonkoski, 鈥淥nline Learning Control for Harmonics Reduction Based on Current Controlled Voltage Source Power Inverters,鈥 IEEE/CAA Journal of Automatica Sinica, vol. 4, pp. 447鈥457, July 2017
  • U. Tamrakar, D. Shrestha, M. Maharjan, B. P. Bhattarai, T. M. Hansen, and R. Tonkoski, 鈥淰irtual Inertia: Current Trends and Future Directions,鈥 Applied Sciences, vol. 7, p. 654, June 2017
  • M. A. Torres, R. Tonkoski, and C. R. Baier, 鈥淥perating Region of a Genset-Based Virtual Synchronous Generator,鈥 IEEE Access 2017, vol. 4, pp. 1鈥11, accepted 2016
Patents
  • T. Hussain, S. Suryanarayanan, and SM. S. Alam, 鈥淗ybridized transmission switching for contingency management in electric power systems,鈥 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.
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