Photovoltaic power plant dust monitoring system

1Product Overview
The pollutants on the glass of solar modules are one of the main issues that rapidly affect photovoltaic power plants, which can reduce power generation efficiency and cost-effectiveness. The use of Silicon Optical Pollutant Measurement (POSM) technology can easily be installed in new or existing photovoltaic arrays and integrated into the power plant management system. The device is installed on the frame of the photovoltaic panel. By continuously measuring the transmission loss caused by pollutants on the glass,
Thus, calculate the reduction in sunlight reaching the solar module. By measuring the proportion of pollutants (SR), it is converted into real-time loss of power generation. This allows operation and maintenance personnel to know when pollutants reach the critical point and when it is necessary to start the cleaning process. This product does not require maintenance and only needs to be cleaned in the same way when cleaning surrounding components. Due to the varying pollution rates of large photovoltaic power plants throughout the entire park, the IEC 61724-1 standard requires multi-point measurement. Compared to traditional systems, it has much lower procurement, installation, and maintenance costs, making it more economical, so cleaning can be planned at the time and place needed.
IIProduct Features
1. New technologies of *
2. The panel adopts solar industry standard materials
3. Flexible installation, suitable for anywhere: on one side or in the middle of the solar array
4. The proportion of pollutants ranges from 100% (clean) to 50%
5. Upgrades can be made using PV backplane temperature sensors
6. No need to be powered by sunlight
3、 Technical indicators
observation indicators
Pollution ratio dual sensor value 50-100%
Measurement accuracy of pollution ratio
Measurement range 90-100%, measurement accuracy ± 1%
Measurement range 80-90%, measurement accuracy ± 2%
Measurement range 50-80%, measurement accuracy ± 5%, processed by internal precision algorithms
Stable and qualitative automatic calibration, better than 1% of the full range per year
Output
1- RS485 Modbus
2-Link to the next device or PV module backplane temperature sensor
Voltage range DC 12V
Current range 70-200mA
High power consumption<2 Watt
Environmental working temperature -20~+60 ℃
High transmittance quartz glass panel material and all coatings and laminates
Instrument weight 4kg
V PV Backpanel Temperature Sensor
Optional
Measurement range -50~150 ℃, measurement accuracy ± 0.3 ℃