基于自编码多层感知器的电力负荷管理终端运行故障诊断方法  

Operating fault diagnosis method for power load management terminals based on auto-encoder multilayer perception

作　　者：朱亮亮 滕姗姗 徐辰冠 庄重 段梅梅 苏慧玲 ZHU Liangliang;TENG Shanshan;XU Chenguan;ZHUANG Zhong;DUAN Meimei;SU Huiling(Wuhan Efficiency Evaluation Co.,Ltd.,State Grid Electric Power Research Institute,Wuhan 430074,China;State Grid Electric Power Research Institute,Nanjing 211106,China;Marketing Service Center,State Grid Jiangsu Electric Power Co.,Ltd.,Nanjing 210000,China)

机构地区：[1]国网电力科学研究院武汉能效测评有限公司,武汉430074 [2]国网电力科学研究院有限公司,南京211106 [3]国网江苏省电力有限公司营销服务中心,南京210000

出　　处：《电力需求侧管理》2024年第2期113-118,共6页Power Demand Side Management

基　　金：国家电网有限公司科技项目(5108-202218280A-2-388-XG)。

摘　　要：针对现有电力负荷管理终端运行故障辨识率低问题,提出一种基于自编码多层感知器的电力负荷管理终端运行故障诊断方法。首先,分析负荷管理终端运行状态指标与故障;其次,阐述自编码多层感知器电力负荷管理终端运行的故障诊断模型及其实现方法,通过终端运行技术指标时序数据的等间隔式滑动窗口,操作获取表征终端运行状态特征候选集合,采用自编码器AE特征选择子模型,提取最优特征子集,借助多层感知器MLP故障诊断辨识子模型,实现终端运行故障分类诊断;最后,通过实验验证所提方法有效性。结果表明所提方法能提升电力负荷管理终端运行故障辨识精确率、召回率和辨识效率,实现电力负荷管理终端运行故障的精细化诊断。Aiming at the issue of low fault identification rate in existing power load management terminals,an operating fault diagnosis method is proposed for the power load management terminals based on auto-encoder multilayer perception.Firstly,operational status indi⁃cators and its related faults in the power load management terminals are analyzed.Secondly,the fault diagnosis method’s related model is depicted including its implementation method.Furthermore,the model obtains a candidate set of features representing the terminal operat⁃ing status through equidistant sliding window operations on the timing data of terminal operating technical indicators.The auto-encoder feature selection sub-model is used to extract the optimal feature subset,and the multi-layer perceptron fault diagnosis identification submodel is used to achieve terminal operating fault classification and diagnosis.Finally,the effectiveness of proposed method is verified through experiments.Experimental results illustrate that the proposed method can improve accuracy,recall,and identification efficiency of power load management terminal operating fault identification,which can achieve refined diagnosis performance for power load manage⁃ment terminal operation faults.

关 键 词：故障诊断 特征选择 自动编码器 多层感知机 电力负荷管理终端 

分 类 号：TM73[电气工程—电力系统及自动化]