自动化技术在分布式光伏发电配电网单相接地保护中的应用及经济性分析  

Application and Economic Analysis of Automation Technology in Single-Phase Grounding Protection of Distributed Photovoltaic Power Generation Distribution Network

作　　者：郭鹏 Guo Peng(State Grid Shayang County Power Supply Company,Jingmen Hubei 448200,China)

机构地区：[1]国网沙洋县供电公司,湖北荆门448200

出　　处：《现代工业经济和信息化》2024年第5期215-217,共3页Modern Industrial Economy and Informationization

摘　　要：基于相电流突变量特征分析方法,构建了一个基于MPC8313处理器与FPGA的自动化系统架构,实现了故障的高效检测和定位。通过实际应用于东南沿海地区的某海滨城市,研究发现该自动化系统显著缩短了故障响应时间,降低了年均故障次数,提高了供电可靠率。经济性分析显示,该自动化技术方案具有高净现值(NPV)和投资回报率(ROI),证明了其经济效益和投资价值。Based on the method of analysing the characteristics of phase current mutation amount,an automation system architecture based on MPC8313 processor and FPGA is constructed to achieve efficient detection and location of faults.Through practical application in a seaside city in the southeastern coastal region,it is found that the automation system significantly shortens the fault response time,reduces the average annual number of faults,and improves the reliability of power supply.The economic analysis shows that the automation technology solution has high net present value(NPV)and return on investment(ROI),which proves its economic benefits and investment value.

关 键 词：单相接地保护 故障检出 自动化系统 

分 类 号：TM464[电气工程—电器]