Open AccessResearch and Analysis on Relay Protection of AC-DC Hybrid Distribution Network
Author(s) -
Xiaomin Zhao,
Binsheng Yang
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1550/5/052015
Subject(s) - adaptability , relay , power electronics , electrical engineering , power (physics) , topology (electrical circuits) , fault (geology) , computer science , digital protective relay , electric power system , voltage , engineering , electronic engineering , protective relay , physics , ecology , quantum mechanics , seismology , geology , biology
The construction of Alternating Current and direct current (AC-DC) hybrid distribution networks is the future development trend. Due to the large number of distributed generation (DG) and power electronic devices, the fault characteristics on the AC side are more complicated. At the same time, due to the control strategy and topology, conventional protection methods has adaptability problems to the power system containing power electronics equipment. Therefore, it is of great significance to study the adaptability analysis of AC-DC hybrid distribution network protection to ensure the safe and reliable operation. This paper summarizes the research on the topological structure, fault characteristics, and protection principles, then analyzes the impact of AC-DC interactions on the protection configuration of the AC-DC hybrid distribution networks.