Hyungjin Choi

Electrical Engineer

Author profile picture

Electrical Engineer

hchoi@sandia.gov

(505) 313-9480

Biography

Hyungjin Choi received the Ph.D. degree in Electrical Engineering from University of Minnesota in 2017 focusing on convex optimization approaches for transient stability and uncertainty propagation in power systems. Before joining Sandia, he worked as a software engineer at Siemens Digital Grid on developing transmission network applications for energy management system and energy market management system products. From 2017-2018, he worked as a postdoctoral research associate at the University of Illinois, Urbana Champaign, on stability of a microgrid cybersecurity. He is currently serving as a senior member of technical staff in Energy Storage Technology and Systems group at Sandia National Laboratories, mainly focusing on modeling, optimization, and control of power system operation with energy storage systems.

Research Interests

  • Stability and uncertainty analysis of power systems with renewables and energy storage systems
  • Operator theoretic methods for data-driven analysis and control of nonlinear dynamical systems
  • Data-driven analytics for power grid and energy storage system operation and control

Education

  • Ph.D. in Electrical and Computer Engineering, University of Minnesota
  • B.S. in Electrical and Electronics Engineering, INHA University, Incheon, South Korea

Google Scholar

Hyungjin Choi, Ph.D.

Publications

  • Choi, H., Elliott, R.T., & Elliott, R.T. (2023). Sizing Energy Storage Systems to Mitigate Variability of Renewable Generation for Grid Stability using Inverse Uncertainty Propagation [Conference Proceeding]. https://doi.org/10.1109/ISGT51731.2023.10066448 Publication ID: 125632
  • Choi, H., Elliott, R.T., & Elliott, R.T. (2023). Sizing Energy Storage Systems to Mitigate Variability of Renewable Generation for Grid Stability using Inverse Uncertainty Propagation [Conference Paper]. 2023 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2023. https://doi.org/10.1109/ISGT51731.2023.10066448 Publication ID: 121156
  • Choi, H., Preger, Y., de Angelis, V., & de Angelis, V. (2022). Data-Driven Battery Modeling using Koopman Operator [Conference Poster]. https://doi.org/10.2172/2005241 Publication ID: 118424
  • Trevizan, R.D., Headley, A., Nguyen, T., Atcitty, S., Choi, H., & Choi, H. (2022). Analysis of the Integration of Energy Storage with Diesel Generation in the Village of Levelock, Alaska [Conference Poster]. https://doi.org/10.2172/2005374 Publication ID: 118944
  • Elliott, R.T., Choi, H., Trudnowski, D.J., & Trudnowski, D.J. (2022). Energy storage modulation for transient stability control [Conference Poster]. https://doi.org/10.2172/2004436 Publication ID: 116936
  • Elliott, R.T., Choi, H., Trudnowski, D.J., Nguyen, T., & Nguyen, T. (2022). Real Power Modulation Strategies for Transient Stability Control. IEEE Access, 10, pp. 37215-37245. https://doi.org/10.1109/access.2022.3163736 Publication ID: 80612
  • Choi, H., Elliott, R.T., Byrne, R.H., & Byrne, R.H. (2022). Data-Driven Power Flow Estimation with Inverter Interfaced Energy Storage Using Dynamic Injection Shift Factor [Conference Poster]. IEEE Power and Energy Society General Meeting. https://doi.org/10.2172/2003897 Publication ID: 114868
  • Choi, H., de Angelis, V., Preger, Y., & Preger, Y. (2021). Koopman operator based framework for battery energy storage system optimization [Conference Poster]. https://doi.org/10.2172/1893295 Publication ID: 76322
  • Choi, H., Vaidya, U., Chen, Y., & Chen, Y. (2021). A convex data-driven approach for nonlinear control synthesis. Mathematics, 9(19). https://doi.org/10.3390/math9192445 Publication ID: 103764
  • Elliott, R.T., Trudnowski, D.J., Choi, H., Nguyen, T., & Nguyen, T. (2021). The Power and Energy Storage Systems Toolbox–PSTess (V1.0). https://doi.org/10.2172/1819998 Publication ID: 75610
  • Moyalan, J., Choi, H., Chen, Y., Vaidya, U., & Vaidya, U. (2021). Sum of squares based convex approach for optimal control synthesis [Conference Paper]. 2021 29th Mediterranean Conference on Control and Automation, MED 2021. https://doi.org/10.1109/MED51440.2021.9480331 Publication ID: 75496
  • Choi, H., Elliott, R.T., Byrne, R.H., & Byrne, R.H. (2020). Data-Driven Estimation of Dynamic Injection Shift Factor [Conference Paper]. https://www.osti.gov/biblio/1830914 Publication ID: 71719
  • Moyalan, J., Choi, H., Chen, Y., Vaidya, U., & Vaidya, U. (2020). A Convex Approach to Optimal Control Synthesis for Nonlinear Systems [Conference Paper]. https://www.osti.gov/biblio/1824263 Publication ID: 71081
  • Elliott, R.T., Choi, H., Trudnowski, D., & Trudnowski, D. (2020). Stabilizing Transient Disturbances Using Utility-Scale Energy Storage (Poster) [Presentation]. https://www.osti.gov/biblio/1820260 Publication ID: 74775
  • Trevizan, R.D., Choi, H., Nguyen, T., Schenkman, B.L., Atcitty, S., Headley, A., & Headley, A. (2020). Energy Storage Benefits to Village of Levelock Alaska [Conference Poster]. https://www.osti.gov/biblio/1820902 Publication ID: 74847
Showing 10 of 15 publications.