摘要
采取合理预防措施对于降低设备的故障率具有重要意义,本文提出一种变电站设备优化维护寿命效率指数模型。描述了设备的概率和可靠性评估,采用威布尔分布对设备的失效概率进行建模,对变电设备故障模式的可靠性和可维护性功能进行分析,从而利用威布尔分布中的泰勒级数建立了变电站设备寿命效率指数模型,基于寿命效率指数,可以分析设备在有无维修情况下的寿命。通过仿真验证了维护策略在提高变电站设备使用寿命方面的有效性。仿真结果表明,不断增加的故障率会降低设备的使用寿命,并导致设备寿命低于其预期寿命,而本文的维护策略可以延长变电站设备的使用寿命。
Taking reasonable preventive measures is of great significance to reduce the failure rate of equipment.This paper proposes an index model of optimal maintenance life efficiency of substation equipment.The probability and reliability assessment of equipment is described,the failure probability of equipment is modeled using Weibull distribution,and the reliability and maintainability functions of substation equipment failure modes are analyzed,using Taylor series in Weibull distribution The life efficiency index model of substation equipment is established.Based on the life efficiency index,the life of equipment with or without maintenance can be analyzed.The effectiveness of the maintenance strategy in improving the service life of substation equipment is verified by simulation.The simulation results show that the increasing failure rate will reduce the service life of equipment and cause the equipment life to be lower than its expected life,and the maintenance strategy of this paper can prolong the service life of substation equipment.
作者
张学锋
李会军
潘乐宏
杨睿
ZHANG Xue-feng;LI Hui-jun;PAN Le-hong;YANG Rui(Huaneng Tongchuan Zhaojin Coal&Electricity Co.Ltd.,Tongchuan 727031,China)
出处
《电气开关》
2023年第1期67-70,共4页
Electric Switchgear
关键词
变电站
运行维护
寿命效率指数
威布尔分布
substation
operation and maintenance
life efficiency index
weibull distribution
