基于贝叶斯推理的建筑供配电线路缺陷识别研究  

Research on Defect Identification of Building Power Supply and Distribution Lines Based on Bayesian Reasoning

作　　者：李青 LI Qing(Liaoning Urban Construction Design Institute Co.,Ltd.,Fushun 113000,China)

机构地区：[1]辽宁城建设计院有限公司,辽宁抚顺113000

出　　处：《河南科技》2024年第24期8-11,共4页Henan Science and Technology

摘　　要：【目的】建筑供配电线路是建筑电气系统的核心组成部分,其安全性和可靠性将直接关系到建筑物的用电安全和正常运行。对建筑供配电线路缺陷进行识别,能及时发现并处理线路中存在的问题,从而避免电气事故的发生,确保建筑电气系统的安全稳定运行。为此,提出了基于贝叶斯推理的建筑供配电线路缺陷识别方法。【方法】计算线路电阻值、功率因数、电压损失,从而实现对建筑供配电线路特征参数的提取。基于特征参数和贝叶斯推理算法,对建筑供配电线路缺陷候选区进行划分,计算所有事件中的最大后验概率,从而实现对建筑供配电线路缺陷的识别。【结果】设计的方法可以实现对建筑供配电线路缺陷的精准识别,且准确率较高。【结论】所设计的方法能及时发现和处理线路中潜在的问题,从而避免故障的发生,保障电力系统的稳定运行。[Purposes]As the core component of building electrical system,the safety and reliability of building power supply and distribution lines are directly related to the safety and normal operation of buildings.Through the research on the defect identification of building power supply and distribution lines,the potential problems in the lines can be found and dealt with in time,so as to avoid the occurrence of electrical accidents and ensure the safe and stable operation of building electrical system.Therefore,a defect identification method of building power supply and distribution lines based on Bayesian reasoning is proposed.[Methods]This paper calculates the line resistance,power factor and voltage loss,so as to extract the characteristic parameters of building power supply and distribution lines.According to the characteristic parameters and Bayesian inference algorithm,the defect candidate areas of building power supply and distribution lines are divided,and the maximum posterior probability defect classification in all events is calculated,so as to realize the defect identification of building power supply and distribution lines.[Findings]The designed method can accurately identify the defects of power supply and distribution lines in buildings with high accuracy.[Conclusions]The designed method can find and deal with the potential problems in the line in time,thus avoiding the occurrence of faults and ensuring the stable operation of the power system.

关 键 词：贝叶斯推理 建筑 供配电线路 缺陷识别 

分 类 号：TM862[电气工程—高电压与绝缘技术]