Publication

Selected Conference Proceedings

• Topology Identification of Hybrid AC/DC Distribution Networks Using Non-PMU Measurements
  Seung-joo Lee*, Ha-min Chang*, Seung-su Do* and Jae-won Chang†
  Proc. 32nd International Council on Electrical Engineering Conference (ICEE 2026), Seoul, Republic of Korea, Jul. 5–9, 2026.
  
  

• A Comparative Analysis of Bad-Data Processing Techniques in Linear and Nonlinear State Estimation
  Ju-Young Ma, and Jae-Won Chang
  Proc. 32nd International Council on Electrical Engineering Conference (ICEE 2026), Seoul, Republic of Korea, Jul. 5–9, 2026.
  
  

• Gauss-Seidel Power Flow Analysis Considering Three-Winding Transformers and Convergence Analysis Based on Linearization
  D. Kim, H. Chang, S. Do, H. Jeon, and J.-W.Chang
  The 57th KIEE Annual Summer Conference, Jul. 2026.

• Development of an RMS-EMT Co-Simulation Framework Across Separate PCs
  J. Kang, S. Park, J. Ma, D. Kim, S. Kim, and J.-W.Chang
  The 57th KIEE Annual Summer Conference, Jul. 2026.

• A Study on Distribution Grid Connection through Stability Analysis of Grid-Forming Inverters According to X/R Ratio
  H. Jeong, H. Jeon, M. Oh, and J.-W.Chang

The 57th KIEE Annual Summer Conference, Jul. 2026.

• Decoupled Controller-Plant Time-Step for Accurate Analysis of Inverter-Based Power Systems
  H. Jeon, and J.-W.Chang
  The KIEE Annual Spring Conference, Apr. 2026.

• Linearized OPF-Based Optimal PV Placement and Hosting Capacity Maximization in Distribution System
  S. Kim, J.-W.Chang, and J.-B.Baek
  The KIEE Annual Spring Conference, Apr. 2026.

• Non-Communication-Based Protection Coordination for LVDC Distribution Networks to Minimize Fault Impact
  M. Oh, D. Kim, H. Chang, and J.-W.Chang
  The KIEE Annual Autumn Conference, Oct. 2025.
  
  

• A Robust State Estimation for Multiple Measurement Data Missing
  S. Do, J. Ma, H. Chang, and J.-W. Chang
  The KIEE Annual Autumn Conference, Oct. 2025.

• Generalized AC Power-Flow Algorithm Applicable to Various Types of Power Networks
  H. Chang, D. Kim, M. Oh, H. Moon, S. Kim, and J.-W. Chang
  2025 International Conference on Advanced Power System Automation and Protection (APAP).

• Small-Signal-based Stability and Numerical Analysis Method to Identify Dynamic-State of Generalized DC Grids (Selected as Best Paper)
  S.-W. Park, S.-J. Lee, J.-Y. Ma, and J.-W. Chang
  2025 International Conference on Advanced Power System Automation and Protection (APAP).

• Automated EMT Modeling for Dynamic Analysis of AC Power Systems (Selected as Best Paper)

Ju-young Ma, Ha-min Chang, Seung-su Do, Se-jun Kim, and Jae-won Chang

The 56th KIEE Annual Summer Conference, Jul. 2025. 

• Optimal Design of DC Power Networks Using Mixed-Integer Linear Programming

Doseong Kim, Sunwoong Kim, Seung-Joo Lee, Sangwon Park, and Jae-Won Chang

The 56th KIEE Annual Summer Conference, Jul. 2025.

• Topology Estimation Method of Unknown Distribution Networks Using Measurement Data

Seung-Joo Lee, Tae-Hoon Nam, Sang-Won Park, Min-Seok Oh, Kyung-Hwan Lee, Ha-Min Chang, and Jae-Won Chang

The 55th KIEE Annual Summer Conference, Jul. 2024.

• Hierarchical Coordinated Control of Grid-Connected Microgrids Considering the Reasonability and Reliability

J. W. Chang, H.-J. Moon, E.-S. Kim, and S.-I. Moon

2017 52nd International Universities Power Engineering Conference (UPEC), 2017 

• Loss and Load Reduction by Coordinated Control of Community Energy Storage and OLTC

J. W. Chang, K. H. Kang, G. S. Lee, J. O. Lee, and S.-I. Moon

 IJSGCE 2016, 2016. 

• A Study on Improving Voltage Control Performance through Expansion of Smart Inverter Functions (Selected as Best Paper)

J. W. Chang, J. Baek, G. Bae, S. Song, and H. Park

KIEE Annual Summer Conference, Jul. 2021.