Closed-Loop Health Management System of Relay Protection Device Based on Multi-Modal Perception and Dynamic Target Test

Yao Xiao, Jian Wu, Xiaoyuan Liu, Jianrong Wang, Guangze Zhu, Junkang Wang and Jiayi Wang

GBP Proceedings Series, 2025, vol. 7, issue None, 7-14

Abstract: Conventional relay protection testing systems are plagued by a critical limitation: they prioritize functional compliance over long-term health assessment, leading to undetected mechanical wear, component aging, and failures caused by environmental stress. Routine maintenance based on time intervals, rather than actual device conditions, often results in over-maintenance or missed faults, and the lack of data-driven life prediction leads to inefficient asset utilization. To address these challenges, this paper proposes a closed-loop health management system for relay protection devices, introducing three core innovations: a quantitative health evaluation model based on multi-parameter fusion, a multi-modal perception layer that captures degradation signals in real time, and an intelligent decision-making mechanism at the edge. This system enables full-process monitoring, root-cause diagnosis, and adaptive maintenance, shifting the protection paradigm from passive fault response to proactive immunity, and laying the foundation for predictive maintenance and intelligent lifecycle management of protection assets.

Keywords: relay protection device; health management system; multi-modal perception; predictive maintenance; condition monitoring (search for similar items in EconPapers)
Date: 2025
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