Research On Power Load Monitoring System Based On OneNet Platform

At present,the power system entered the "smart grid" and the Internet of things era,the rapid development of Internet of things technology has promoted the development of smart grid.More and more families and other micro-voltage solar energy,wind power grid,bring serious challenges to the grid operation,in order to ensure the safe and stable operation of the grid,there is an urgent need to carry out real-time on-line monitoring of low-voltage load end and key nodes.Therefore,it is necessary to design and study a power load monitoring system based on OneNet platform,which has very important research value and broad application prospect.STM32F103VCT6 chip produced by Italy Semiconductor Company is used as the core control unit and the ATT7022B power parameter measurement chip is added to realize the power parameter acquisition function of three-phase voltage,current,power factor and so on.GPS positioning module is used to realize the positioning function of power load monitoring terminal.The MCGS industrial touch screen is used to realize the field detection,display and operation function of the measuring and collecting terminal.ESP8266WIFI wireless transmission module is used to realize the function of measurement data and operation instruction transmission.With the help of the free cloud platform of the Internet of things provided by China Mobile Company-OneNet and the B/S architecture the remote monitoring and control center of users is built and the functions of remote monitoring and controlling of load parameters are finally realized.The hardware design and software debugging of the power load monitoring terminal are completed,and the host computer software is programmed and debugged under the cloud platform of the Internet of things-OneNet.The installation of the power load monitoring system and the whole debugging of the system are completed in the laboratory.The power load is simulated by the verification device of the electric energy meter,and the measured results are analyzed and evaluated.The experiment shows that the system realizes remote monitoring function with the help of the free and open Internet of things platform,and the monitoring terminal measures the load parameters comprehensively and accurately.The whole system has the advantages of short development period,simple maintenance,overall stability and reliability,and can meet the needs of current power load monitoring on the user side.