Jongchan Choi R&D Associate Contact CHOIJ1@ORNL.GOV All Publications High-Performance Computing Based EMT Simulation: Power Grid with IBRs Analysis of a Disturbance Event with Inverter-Based Resources Using EMT Simulations Automation for Grid Interconnected Laboratory Emulation Artificial Neural Network-based State Estimation for Low Observable, Unbalanced Microgrids for Microgrid Building Blocks Sparse Linear Solvers for Large-scale Electromagnetic Transient Simulations... Benchmark High-Fidelity EMT Models for Power Grid with PV Plants Assessing the Feasibility of Bordered Block Diagonal Reordering in Power System Matrices using Fully Convolutional Network Linear Solvers for Collector Systems of Generalized Large-scale Inverter-Based Resources Library of Advanced Models of large-scale PV (LAMP): Final Technical Report Use of Grid-Forming Medium-Voltage Power Electronics Hub in a Microgrid Setting EMT Simulation of Large PV Plant & Power Grid for Disturbance Analysis Hardware-based Advanced Electromagnetic Transient Simulation for A Large-Scale PV Plant in Real Time Digital Simulator Emerging Computing Architectures: Simulation of Power Electronics in Power Grids High-Performance Computing Based EMT Simulation of Large PV or Hybrid PV Plants Interpolation Methods to Enable Fast and Accurate EMT Simulation of PV Inverters... Medium Voltage Energy Hub Based on Multilevel Cascaded H Bridge-Dual Active Bridge Back-to-Back Converter for Power Distribution Feeders Interconnection and Multiple Simultaneous Grid Services Charaterization of Emerging Computing Architectures for Dynamic Simulation of Future Power Grids with Large-Scale Power Electronics Electromagnetic Transient (EMT) Simulation Algorithms for Evaluation of Large-Scale Extreme Fast Charging Systems (T & D Models) Applied Mathematics Challenge: Simulation of Power Electronics in Future Power Grid Linearised three-phase optimal power flow for coordinated optimisation of residential solid-state power substations Electromagnetic Transient (EMT) Simulation Algorithm for Evaluation of Photovoltaic (PV) Generation Systems Architecture of a Residential Solid State Power Substation (SSPS) Node Coordinated Optimization and Control of Residential Solid State Power Substations in Electrical Distribution Network Electromagnetic Transient Simulation Algorithms for Evaluation of Large-Scale Extreme Fast Charging Systems (Distribution Grid Models) A Plug-and-Play Design Suite of Converters for the Electric Grid Key Links ORCID Organizations Energy Science and Technology Directorate Electrification and Energy Infrastructures Division Energy Systems Integration and Controls Section Grid Systems Modeling and Controls Group Grid Research Innovation and Development Center
News ORNL demonstrates power of new modeling approach to understand faults in the modern electric grid