电气技术  2023, Vol. 24 Issue (1): 17-22    DOI:
研究与开发 |
基于威布尔分布的经济性与高可靠度智能电表维修周期预估算法
李维波1, 苏文斌1, 徐成虎1, 张茂杰1, 方华亮2
1.武汉理工大学自动化学院,武汉 430070;
2.武汉大学电气与自动化学院,武汉 430072
Maintenance cycle prediction method for smart electricity meters based on Weibull distribution with economy and high reliability
LI Weibo1, SU Wenbin1, XU Chenghu1, ZHANG Maojie1, FANG Hualiang2
1. School of Automation, Wuhan University of Technology, Wuhan 430070;
2. School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072
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摘要 智能电表的可靠性寿命预估对设计的极端重要性,将为智能电表的维修工作带来显著便利。基于智能电表运行时间数据分析,建立二参数威布尔分布模型,确定二参数威布尔分布的参数。计算得到相应的分布函数和可靠度函数,确定在可靠度为90%时的预防性维修周期和最小维修费用对应的预防性维修周期。运行实践和实际算例表明,所提出的智能电表预防性维修周期预估方法,可以为优化批次电能表的检定及轮换周期提供决策依据,大幅度节省运维成本。
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李维波
苏文斌
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关键词 智能电表二参数威布尔分布可靠度最小费用预防性维修    
Abstract:The critical importance of reliability life estimation for the design of smart meters will bring significant convenience to the maintenance of smart meters. Based on the analysis of smart meter running time data, the two-parameter Weibull distribution model is established and the parameters of the two-parameter Weibull distribution are determined. The corresponding distribution function and reliability function are calculated to determine the preventive maintenance cycle when the reliability is 90% and the preventive maintenance cycle corresponding to the minimum maintenance cost. The operation practice and practical example shows the proposed preventive maintenance cycle prediction method for the smart electricity meters can provide decision-making basis for optimizing the verification and rotation cycle of batch electricity meters, which can greatly save operation and maintenance costs.
Key wordssmart meter    two parameter Weibull distribution    degree of reliability    least cost    preventative maintenance   
收稿日期: 2022-09-13     
基金资助:国家重点研发计划课题(2020YFB1506802); 国家自然科学基金面上项目(51977164)
作者简介: 李维波(1973—),男,重庆市人,博士,教授,主要从事电力电子技术在电力系统中应用方面的研究工作。
引用本文:   
李维波, 苏文斌, 徐成虎, 张茂杰, 方华亮. 基于威布尔分布的经济性与高可靠度智能电表维修周期预估算法[J]. 电气技术, 2023, 24(1): 17-22. LI Weibo, SU Wenbin, XU Chenghu, ZHANG Maojie, FANG Hualiang. Maintenance cycle prediction method for smart electricity meters based on Weibull distribution with economy and high reliability. Electrical Engineering, 2023, 24(1): 17-22.
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