考虑加速老化的变压器剩余寿命计算方法研究  

Algorithm Research on Remnant Life of Power Transformer Considering Accelerated Aging

作　　者：尤毅[1] 刘东[1,2] 于文鹏[1] 廖怀庆[1] 

机构地区：[1]上海交通大学电子信息与电气工程学院,上海200240 [2]国家能源智能电网(上海)研发中心,上海200240

出　　处：《华东电力》2011年第2期217-220,共4页East China Electric Power

基　　金：国家自然科学基金重点项目(90612018);国家重点基础研究发展计划(973计划)资助项目(2009CB219703);教育部新世纪优秀人才支持计划资助项目(NCET070547)~~

摘　　要：设备自我感知的研究对于智能电网的自愈特性有着重要意义。随着智能电网研究的深入开展以及状态监测装置的逐步实用化,对于变压器剩余寿命的研究基础日益成熟。研究了基于统计学理论的变压器剩余寿命计算方法,对基于统计学理论的剩余寿命计算方法进行了修正,考虑了变压器实际的负载和油温对其寿命加速老化的影响,并经实际算例对采用不同寿命统计分布以及处于不同负载环境的变压器剩余寿命进行了比较和分析,结果表明由变压器实际运行工况引起的加速老化作用对于其实际剩余寿命有较大影响;选择不同统计分布类的失效率函数,对于剩余寿命计算的影响也不同。Self-awareness of equipment has a key effect on self-healing for smart gird.With the advancement of smart grid research and practical application of monitoring devices,the study about remnant life of power transformer becomes increasingly mature.Considering the accelerated aging factors including actual load and oil temperature,this paper focuses on its algorithm research based on statistical theory and makes some algorithm modifications.By the comparison and analysis of different individual transformers under different environment using different distribution types,it can be demonstrated that the accelerated aging factors have great impact on the actual remnant life of power transformer.In addition,the failure rate functions of different statistical distribution influence the remnant life calculation.

关 键 词：设备自我感知 变压器 剩余寿命 加速老化 

分 类 号：TM401[电气工程—电器]