Renewable Energy Distribution Network Overcurrent Protection Based on Positive-Sequence Sudden-Change Component Locus Identification

• Published in: 发电技术 Vol. 45; no. 4; pp. 753 - 764
• Main Authors: WANG Weijie, ZENG Xinjie, XU Yuantu, LI Shuyi, RUAN Canhua, TONG Ning, WU Xiaomei
• Format: Journal Article
• Language: English
• Published: Editorial Department of Power Generation Technology 01.08.2024
• Subjects: affinity clustering algorithm; distribution network; positive-sequence sudden-change component; relay protection; renewable energy

ObjectivesWith the widespread integration of renewable energy, the uncertainty of power flow in distribution networks with neutral points grounded through small resistors has made the setting of traditional three-stage current protection increasingly complex, and reduced its sensitivity and reliabil...