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In order to ensure the safe and stable operation of secondary equipment in substations, an active monitoring system for secondary equipment in substations has been designed and applied. The system includes a status evaluation module, an active warning module, and an information transmission module. The active warning module integrates temperature performance status warning and hardware performance status warning methods, achieving real-time monitoring and warning of the protection equipment at different levels. Through monitoring information, the problem can be timely and accurately located, achieving the goal of quickly solving equipment hidden dangers. The timeliness of the system for abnormal warning of substation equipment was verified through the analysis of actual power grid cases in Jiangsu Province.
Zhang et al. (Fri,) studied this question.