基于物联网技术的光伏阵列数据管理系统设计  

Design of photovoltaic array data management system based on the Internet of Things technology

作　　者：朱圣杰 王腾龙 孔智勇 熊文卓[1] ZHU Shengjie;WANG Tenglong;KONG Zhiyong;XIONG Wenzhuo(Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China;University of Chinese Academy of Sciences,Beijing 100049,China;Northeast Electric Power Design Institute Co.,Ltd.of China Power Engineering Consulting Group,Changchun 130021,China;Beijing Zhihai Runhua Technology Co.,Ltd.,Beijing 100070,China)

机构地区：[1]中国科学院长春光学精密机械与物理研究所,吉林长春130033 [2]中国科学院大学,北京100049 [3]中国电力工程顾问集团东北电力设计院有限公司,吉林长春130021 [4]北京智海润华科技有限公司,北京100070

出　　处：《现代电子技术》2022年第3期142-147,共6页Modern Electronics Technique

摘　　要：为实时在线自动获取光伏阵列各分支的电压、电流、温湿度、水平照度和有效照度等精确值,便于在不影响发电的情况下自动实现对光伏阵列的在线周期性精细检测,以提高光伏电站对发电效率的预测和对异常状况的维护,设计了一种智能光伏电站数据汇聚管理系统。系统采用模块化设计,可根据实际需要灵活配置传感器,以窄带物联网(NB⁃IoT)和LoRa为通信方式,采用UCOSⅢ嵌入式系统和消息队列遥测传输协议(MQTT)云服务器进行数据传输和存储。系统在配置要求极低的情况下,能保证可靠的数据传输,使多平台的客户端实时查看当前各光伏子阵列的运行情况,优化数据传输及采集速度,实现对各种数据的实时监控,并及时发出预警信息。整体系统易于组装配置,成本低,具有较好的工程指导意义。In order to automatically obtain the accurate values of voltage,current,temperature and humidity,horizontal illuminance and effective illuminance of each branch of the photovoltaic(PV)array in real time and online,so as to automatically realize the online periodic fine detection of the PV array without affecting the power generation,and improve the prediction of power generation efficiency and the maintenance of abnormal conditions in PV power stations,an intelligent PV power station data aggregation management system is designed.In the system,the modular design is adopted,which can flexibly configure sensors according to actual needs.The Narrowband Internet of Things(NB⁃IoT)and LoRa are taken as the communication means.The UCOSⅢembedded system and message queuing telemetry transport(MQTT)cloud server are used for data transmission and storage.Under the condition of extremely low configuration requirements,the system can guarantee reliable data transmission,enable multi⁃platform clients to view the current operating conditions of each PV sub⁃array in real time,optimize the data transmission and collection speed,realize real⁃time monitoring of various data,and issue earlywarning information in time.The overall system is easy to assemble and configure.In addition,the cost of the system is low.Therefore,it has good project guidance significance.

关 键 词：光伏阵列 数据融合管理 模块化 实时状态 NB⁃IoT LoRa 

分 类 号：TN919.2-34[电子电信—通信与信息系统] TM615[电子电信—信息与通信工程]