@inproceedings{42f58275095d4769bac1b5131efe2f3a,
title = "A Study on the Impact of AC Transformer due to Shared AC/DC Neutral Line",
abstract = "As the integration of renewable energy into the power grid continues, there is a growing need for transitioning to the next-generation power grid, namely the DC distribution system. Since the DC distribution system will be built upon the existing AC distribution system, this paper introduces and analyzes the impact of a structure where DC distribution systems share AC neutral lines. AC/DC hybrid distribution systems that share a neutral line can cause half-cycle saturation of the AC transformer under conditions of DC load imbalance. Although this can be prevented by existing DC bias suppression strategies, they have the drawback of adversely affecting protection coordination within the AC system. This paper presents a method that not only prevents DC bias but also does not impact protection coordination within the AC system. Additionally, this method is examined within the AC/DC hybrid distribution system using MATLAB Simulink.",
keywords = "AC/DC Hybrid Distribution System, DC Bias, Protection, Saturation, Transformer",
author = "Song, \{Jin Sol\} and Kim, \{Chul Hwan\}",
note = "Publisher Copyright: {\textcopyright} 2025 IEEE.; 10th Asia Conference on Power and Electrical Engineering, ACPEE 2025 ; Conference date: 15-04-2025 Through 19-04-2025",
year = "2025",
doi = "10.1109/ACPEE64358.2025.11040461",
language = "English",
series = "Proceedings - 2025 10th Asia Conference on Power and Electrical Engineering, ACPEE 2025",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "1072--1076",
editor = "Tek-Tjing Lie and Chen Shen and Guojie Li and Youbo Liu",
booktitle = "Proceedings - 2025 10th Asia Conference on Power and Electrical Engineering, ACPEE 2025",
}
