A maintenance system integrating advanced intelligent diagnostic algorithms has been developed to improve the maintenance efficiency and accuracy of the secondary circuit of relay protection in intelligent substations.A comprehensive intelligent maintenance strategy integrating real-time monitoring,communication interface management,fault detection and alarm,predictive maintenance,and other modules has been designed and implemented to address the limitations of existing maintenance methods in terms of efficiency and accuracy.The results indicate that the system can improve the automation level and accuracy of maintenance operations,reduce errors caused by human intervention,and enhance the overall reliability and safety of the system.The experimental analysis further confirms the practical benefits of intelligent algorithms in optimizing the maintenance process of relay protection secondary circuits,and the research results can provide technical support for the maintenance work of intelligent substations.
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