基于区块链技术的电网光伏数据全量采集系统

Blockchain technology⁃based grid photovoltaic data full acquisition system

目前电网光伏数据全量采集系统存在采集精度过低、采集时间过长的问题,因此利用区块链技术设计了新的电网光伏数据全量采集系统。系统硬件由智能电表、数据感知设备、云服务器和共享容器等组成,智能电表采用DL/T645-1997-2007通信协议,利用红外线装置实现信息传递。采用Fabric分布式方式布置数据感知设备,利用数据通信通道、API调节接口,在云服务器中获取具有MSP的数字证书。应用区块链技术采集与处理数据,分析电能变压器负荷、变压器功率因数实现数据全量采集。实验结果表明,基于区块链技术的电网光伏数据全量采集系统能够有效提升采集精度,缩短采集时间。

At present,the grid photovoltaic data full acquisition system has the problems of low acquisition accuracy and long acquisition time.Therefore,a new grid photovoltaic data full acquisition system is designed by using blockchain technology.The hardware of the system is composed of intelligent electricity meter,data sensing device,cloud server and shared container,etc.The intelligent electricity meter adopts DL/T645-1997-2007 communication protocol,and uses infrared device to realize information transmission.Data awareness devices are deployed in Fabric distributed mode,data communication channels and API adjustment interfaces are used to obtain digital certificates with MSP from cloud servers.Blockchain technology is used to collect and process data,analyze power transformer load and transformer power factor to achieve full data collection.The experimental results show that the full power grid photovoltaic data acquisition system based on blockchain technology can effectively improve the acquisition accuracy and shorten the acquisition time.