HS-6003/RTU Photovoltaic Environmental Monitor, Meteorological Instrument All-in-one Machine and HS-6008 Optical Power Prediction System:
It is suitable for: solar radiation monitoring, environmental and climate monitoring, scientific research institutions or networking in meteorology, transportation, military, agriculture and forestry, hydrology, large-scale engineering and other fields of photovoltaic power stations
★ The power prediction system of photovoltaic power station controlled by Huashi Intelligent Control mainly includes two main subsystems: real-time meteorological collection and power prediction calculation:
➢ The real-time meteorological acquisition subsystem realizes the real-time irradiation value of the photovoltaic power station. Wind velocity. Wind. Temperature. The collection of meteorological elements such as humidity and pressure, and the data collected in the school hours are transmitted to the power prediction calculation subsystem, as the main data source of power prediction, and the hardware equipment mainly includes: irradiator, wind speed and wind vane, temperature and humidity sensor, data acquisition and communication equipment, etc
Optional observations: ambient temperature, ambient humidity, component temperature, wind speed, wind direction, air pressure, total inclined radiation, sunshine hours, total horizontal radiation, direct solar radiation, solar scattering radiation, etc
The solar irradiance can be predicted, and the output power of the photovoltaic power plant can be calculated by formula. Irradiance is an important meteorological influencing factor of photovoltaic power generation, and its prediction accuracy has an important impact on the prediction of photovoltaic output
Stable performance, high detection accuracy, flexible adaptation to the environment and convenient installation. It can meet the environmental meteorological and solar radiation monitoring of photovoltaic power stations and ensure the meteorological prediction of photovoltaic monitoring
➢ The optical power prediction and computing subsystem controlled by Huashi Intelligent Control realizes the functions of data collection, data management, numerical weather forecasting and real-time meteorological data processing, power prediction, and prediction result evaluation
The main data required for optical power prediction includes: numerical weather prediction data, real-time meteorological data, real-time power data, operating status, and planned maintenance information
The hardware equipment generally includes a meteorological data processing server, a prediction application server, a man-machine workstation and physical isolation equipment, and a hardware protection wall
Standard RS232/485/USB communication, support MODBUS protocol, can be wired connection, LAN connection, optical fiber connection, GPRS mobile communication and data radio and other ways, and photovoltaic weather station receiving server to form a meteorological monitoring system
The meteorological data processing server controlled by Huashi Intelligent Control is deployed in the security area for the reception and processing of meteorological data such as numerical weather prediction and real-time irradiation, and the meteorological data is sent to the prediction application server through physical isolation equipment
The prediction application server of Huashi Intelligent Control deploys the dry safety II zone, uses the main program of the prediction system to receive real-time meteorological information, numerical weather forecast and actual output power of the power station, and completes the short-term and ultra-short-term output power prediction of the power station according to the system prediction model, and uploads the results to the dispatching agency in real time
A photovoltaic power station can be equipped with one or more meteorological collectors according to its coverage area and topography characteristics. The meteorological collector is set up to accurately reflect the meteorological conditions such as the irradiation intensity of the entire photovoltaic power station area and meet the function of the optical power prediction system. Meteorological collection information is an important data source for power station power forecasting
★ Huashi intelligent control of the photovoltaic environmental monitoring system in line with:
Meteorological WMO Meteorological Observation Standards and IEC
State Grid Corporation of China Enterprise Standard Q/GDW 617-2011 "Technical Regulations on Photovoltaic Power Station Access to Power Grid"
State Grid Corporation of China Enterprise Standard Q/GDW 618-2011 "Photovoltaic Power Station Access to Power Grid Test Regulations" and other norms and standards
Technical Specifications for Engineering Acceptance of Grid-connected Photovoltaic Power Generation System