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Product Overview
DustCom is a dust pollution monitoring device designed specifically for photovoltaic scenarios. It quantifies the reduction in power generation efficiency caused by pollution by comparing the electrical performance of photovoltaic modules in clean and dusty states. The device uses the "Pollution Loss Index (SLI)" as an evaluation standard to provide a reliable basis for operation and maintenance decision-making for photovoltaic power stations.
It uses the IEC 60904 standard method to monitor component performance changes in real time, and is suitable for the integrated deployment of centralized power stations, distributed photovoltaic systems, and intelligent operation and maintenance platforms.
Product highlights
Quantification of dust impact
Real-time calculation of effective irradiance attenuation caused by pollution
Use industry standard SLI (Soiling Loss Index) to reflect loss ratio
Dual-module comparison design
Compare short-circuit current and temperature of photovoltaic modules of the same model to establish a benchmark reference
One module is kept clean, and the other is naturally dusted to simulate real-world pollution conditions
Highly compatible hardware specifications
Maximum support of 30A current, 50V voltage, and 700W power
Integrated SMD Pt100 RTD temperature sensor for back-side temperature measurement of modules
Easy-to-access communication capabilities
RS485 interface output, compatible with Modbus RTU protocol
Can be directly connected to SCADA, EMS, edge collectors and other systems
Application value
| Application areas | Functional support |
| Pollution monitoring of photovoltaic power stations | Provide real-time pollution index and analyze the degree of impact |
| Optimization of photovoltaic panel cleaning | Determine whether cleaning is required to avoid unnecessary maintenance costs |
| Power generation performance evaluation | Quantify power generation losses caused by pollution |
| System integration | Connect with existing operation and maintenance systems to achieve remote visual management |
Technical parameters
Overview of working principle
DustCom Dust index calculation based on "module comparison method":
Deploy two photovoltaic modules of the same specifications
Module A is kept clean, and module B is exposed to the natural environment to form pollution
Measure the short-circuit current (Isc) and back temperature (T) of the two modules
Calculate the effective irradiance (Geff) according to the IEC 60904 standard
Calculate the pollution index SLI:
SLI = (1 - Geffs / Geffc) × 100%
Geffs: Effective irradiance calculated by the polluted module
Geffc: Effective irradiance calculated by the clean module
SLI can be used as an important parameter to judge the degree of photovoltaic pollution, and is widely used in the trigger mechanism of intelligent cleaning system or the formulation of operation and maintenance strategy.
Deployment diagram
Why choose DustCom?
Rationally formulate the cleaning frequency to save labor and water resources
Avoid invisible power loss caused by module pollution
Realize scientific and intelligent operation and maintenance through data indicators
Reduce ineffective operation and maintenance expenses and improve overall power generation efficiency
Get support
For product selection suggestions, wiring method instructions, Modbus protocol documents or docking APIs, please contact our engineers. We can provide a complete docking solution to help your photovoltaic power station achieve intelligent pollution monitoring and benefit optimization.
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