Research on Equipment RCM Maintenance Strategy Based on Importance Assessment and Online Fault Monitoring

2022 Asia Power and Electrical Technology Conference (APET) Pub Date : 2022-11-11 DOI:10.1109/APET56294.2022.10073244

Lu Guo, Yongli Liu, Wei Zhang, Pengfei Liu, Tianhua Wang, Qian Wu

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Abstract

Reliability centered substation equipment maintenance is developed on the basis of condition-based maintenance or predictive maintenance based on equipment condition monitoring and fault diagnosis. The maintenance scheme and resource allocation are determined by distinguishing different operation states and different influence degrees of equipment to achieve the optimal balance between maintenance cost and power supply reliability. Through a series of decision-making bases, joint maintenance strategies including condition-based maintenance, periodic maintenance, hidden danger detection and post maintenance, as well as the determination of corresponding maintenance cycle, are adopted to improve the power supply reliability and reduce the equipment maintenance cost. This paper summarizes and expounds RCM(Reliability Centered Maintenance) step by step from the selection of reliability indicators, determination of target equipment for implementing RCM, definition of equipment failure mode and its failure diagnosis, maintenance mode decision to system maintenance optimization strategy.

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基于重要性评估和在线故障监测的设备RCM维护策略研究

以可靠性为中心的变电站设备维护是在基于状态的维护或基于设备状态监测和故障诊断的预测性维护的基础上发展起来的。通过区分设备的不同运行状态和不同影响程度，确定维护方案和资源分配，实现维护成本与供电可靠性的最优平衡。通过一系列决策依据，采用状态维修、定期维修、隐患检测、后期维修等联合维修策略，确定相应的维修周期，提高供电可靠性，降低设备维修成本。从可靠性指标的选择、实施RCM的目标设备的确定、设备故障模式的定义及其故障诊断、维护模式的决策到系统维护优化策略，对RCM(Reliability Centered Maintenance)进行了逐步的总结和阐述。

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2022 Asia Power and Electrical Technology Conference (APET)

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