摘要
针对智能电网对监控和停电预测的客观需求问题,基于物联网技术设计了一套大电网停电故障监控及预警系统。该系统包括故障检测装置、信息管理及无线通讯、故障节点地图绘制3个主要部分。故障检测使用嵌入式终端设计,并使用小波变换算法对故障信息进行分析,将故障的定位误差控制在8%,定相分析准确率达到100%,从而提高故障信息分析与预警信息的可靠性。故障节点地图基于GIS-MapX技术绘制,能够直观、清楚地确定故障节点位置。从监控中心的服务器到用户终端,采用ZigBee无线通讯技术,该技术传输性能安全、可靠。通过模拟故障实验对该系统进行验证,测试结果表明,该系统具备良好的可靠性与实用性。
Aiming at the objective demand of intelligent power grid for monitoring and outage prediction,this paper designs a set of outage monitoring and early warning system based on Internet of things technology.The system is divided into three parts:fault detection device,information management,wireless communication and fault node map drawing.Fault detection uses embedded terminal design,and uses wavelet transform algorithm to analyze fault information.The fault location error is controlled at 8%,and the phasing analysis reaches 100%,which improves the reliability of fault information analysis and early warning information.Fault node map is based on GIS⁃MapX technology,which can determine the location of fault node intuitively and clearly.ZigBee wireless communication technology is used from the server of the monitoring center to the user terminal,and the transmission performance is safe and reliable.The test results show that the system has good reliability and practicability.
作者
宁波
苏波
李江鹏
蒙飞
NING Bo;SU Bo;LI Jiangpeng;MENG Fei(Ningxia Electric Power Dispatching Control Center,Yinchuan 750001,China)
出处
《电子设计工程》
2020年第21期70-74,共5页
Electronic Design Engineering
基金
国家电网科技项目(2016BR63392)。
关键词
智能电网
物联网
监控预测系统
小波算法
ZIGBEE
smart grid
Internet of things
monitoring and forecasting system
wavelet algorithm
ZigBee
