| Under the background of dual carbon,specialized transformer users have the characteristics of large power consumption capacity,high power consumption,high power quality requirements,and strong power consumption regularity,and there is a high possibility of power consumption risks.The power grid server not only needs to improve service standards but also needs to use electricity for them.Conduct detailed monitoring of behavior,and a large amount of real-time power consumption data is the premise and basis for monitoring power consumption behavior.Using HPLC technology,based on the existing electricity information collection system,the high-frequency collection is realized by optimizing the hardware equipment of the power distribution terminal and modifying the internal communication protocol.A method for selective high-frequency collection and data collection for different users was provided,expanding the application capabilities of HPLC technology.Experiments to verify the feasibility and reliability of data transmission based on an HPLC-based high-frequency collection system for electricity collection information.1.The communication technology specification of HPLC is theoretically analyzed,and the framework of the high-frequency collection system of electricity information based on HPLC is proposed.Through the theoretical analysis of the internal communication protocol mechanism,protocol data frame structure,and collection rate of the high-frequency collection system,discuss the feasibility of realizing high-frequency collection.The Lab VIEW virtual simulation platform was used to simulate the working principle of the collection system by encapsulating the communication protocol and device networking to verify the correctness of the high-frequency collection system.The comparative analysis of experimental data and historical data shows that HPLC technology can increase the frequency of data collection based on the assistance of corresponded equipment and communication protocols,and the overall performance of the system is better.2.In the high-frequency collection system of electricity information based on HPLC,HPLC has flexibled operability and rich advanced application functions.To expand the advanced function of HPLC technology,a method of selective high-frequency collection and real-time acquisition for specialed users is proposed method of data.The power distribution terminal sends transmission instructions according to the internal protocol frame format of the HPLC collection system,which can accurately obtain the meter data.Timing collection is to collect data when the meter was frozen at zero time in the morning.When reading meter data,the previously cached data should be replaced one by one according to the reading cycle.The purpose is to always keep the data read as the latest meter data.OGG way to get some or all of the data.3.The experiment verifies the transmission reliability of the HPLC-based high-frequency collection system of electricity information.By analyzing the HPLC channel characteristics,such as capacitance characteristics,frequency loss characteristics,signal-to-noise ratio characteristics,line icing and noise interference,etc.,the critical value when each channel characteristic causes distortion to data transmission is summarized The HPLC high-frequency collection channel transmission model was built to verify the relationship between the channel transmission loss and the transmission distance,simulate collection transmission process,and the reliability of the HPLC transmission channel by calculating the parameters before and after the experiment.It was concluded that the transmission loss of HPLC channel of different voltage levels was different.The transmission loss of HPLC at high voltage level is relatively small,the noise is relatively weak,and the transmission reliability is high. |