Ankerui Xu Haojun.
Jiangsu Ankerui electrical appliance manufacturing
With the growing global demand for renewable energy, the new energy industry is developing at an increasing pace. Among them, distributed photovoltaic power generation, as a clean, efficient and renewable form of energy, has received extensive attention. In order to ensure the stable operation of distributed photovoltaic power generation systems, the application of distributed photovoltaic monitoring systems is becoming more and more important.
1. Overview of distributed photovoltaic monitoring system.
The distributed photovoltaic monitoring system is a system based on the Internet and Internet of Things technology, which can carry out real-time monitoring, data collection, data analysis and management of the distributed photovoltaic power generation system. The system realizes the monitoring and control of key equipment such as photovoltaic panels, inverters, and energy storage equipment through sensors, communication networks and other equipment to ensure the stable and optimal operation of the system.
Second, the application of distributed photovoltaic monitoring system in the new energy industry.
Monitoring and control of photovoltaic power plants.
The distributed photovoltaic monitoring system can monitor and control the photovoltaic power station in real time. By monitoring the voltage, current, power and other parameters of photovoltaic panels, as well as monitoring the operating status of the inverter and the charging and discharging of energy storage equipment, problems in the system can be found and solved in time to ensure the stable operation of photovoltaic power plants.
Optimization of energy management.
The distributed photovoltaic monitoring system can optimize the energy management of the photovoltaic power station through data analysis. Through the analysis of historical data, the operation rules and problems of the system can be found, and targeted optimization suggestions can be put forward to improve the operation efficiency and management level of the photovoltaic power station.
Fault warning and maintenance.
The distributed photovoltaic monitoring system can carry out early warning and maintenance of the fault of the photovoltaic power station. Through the analysis of equipment operation data, the equipment can be maintained and replaced in time to avoid the impact of the failure on the operation of the system.
Remote management and control.
The distributed photovoltaic monitoring system can be remotely managed and controlled. Managers can remotely monitor and control the photovoltaic power plant through the Internet or mobile devices, and manage the photovoltaic power station conveniently and quickly.
3. Advantages of distributed photovoltaic monitoring system.
Improve operational efficiency: Through real-time monitoring and control of equipment, the operational efficiency of equipment can be improved and energy waste can be reduced.
Reduce operation and maintenance costs: Through fault warning and maintenance, the maintenance and replacement costs of equipment can be reduced, and the operation and maintenance costs can be reduced.
Improve safety: Through real-time monitoring and control, problems in the system can be found and solved in a timely manner, avoiding safety risks to equipment and personnel caused by failures.
Promote intelligent development: Distributed photovoltaic monitoring system is one of the important directions for the intelligent development of the new energy industry, which can improve the overall competitiveness of the new energy industry.
Fourth, Ankerui distributed photovoltaic monitoring system.
Application scenarios. 
Through the ACREL-1000DP distributed photovoltaic monitoring system platform, users can carry out centralized monitoring, unified scheduling, and unified operation and maintenance of photovoltaic power generation and electricity consumption, so as to meet the requirements of users for reliable, safe, economical, efficient and orderly electricity consumption. Provide operation and maintenance services to users, realize energy interconnection, information exchange, and break information silosAccording to the hierarchical management of the load importance of electrical equipment, the peak peak is staggered and the electricity consumption is orderly.
Distributed PV Monitoring System Block Diagram Distributed PV Monitoring System Block Diagram.
Topology diagram of distributed photovoltaic monitoring system.
ACREL-1000DP Distributed PV Monitoring System Function:
Integrated monitoring. Display basic information such as the name, location, and number of inverters of the PV power station
Statistics on the daily, monthly and annual power generation of the current photovoltaic power station;
According to the confluence data, the power generation power and working status of each group of photovoltaic modules are analyzed in a decentralized manner.
Component monitoring. Monitor the voltage, current, power and other electrical parameter information of each component of the entire photovoltaic array
Monitor the current input power, output power, temperature and current status of the inverter
Monitor the electrical parameters of the AC and DC side of the inverter.
Power quality. The data collected by the power quality detector in the monitoring station, such as the voltage rms value, deviation rate, harmonic distortion rate, current rms value, split phase power, total power, etc.;
The harmonic and interharmonic spectrum of the power quality detector are displayed through the histogram
Three-phase current, voltage harmonic data, real-time load curve, RMS, fluctuation, deviation, flicker and other parameters are displayed through the curve graph
Displays all transient events of all power quality testers at the selected site.
Curve analysis. The total active power curve of the AC side of the inverter is displayed
Showing the voltage curve on the DC side of the inverter;
Display the ambient temperature curve of the current photovoltaic power station;
Comprehensively analyze the impact of the environment on photovoltaic power generation.
Distributed PV - 10kV 35kv grid-connected secondary equipment.
5. Summary. Distributed photovoltaic monitoring system is more and more widely used in the new energy industry, which is of great significance for improving the stability and operation efficiency of distributed photovoltaic power generation system. In the future, with the continuous progress of technology and the continuous expansion of application scenarios, distributed photovoltaic monitoring systems will play a more important role in the new energy industry.