Test System for dusting solar cell modules
The Test System for Dusting Solar Cell Modules is designed for laboratory evaluation of dust soiling behavior of solar energy systems in accordance with VDI 3956. The system simulates environmental conditions such as dust deposition, varying air humidity, glass temperature changes, condensation, and wind cleaning effects. It allows reproducible testing on solar modules as well as other specimens exposed to similar conditions.
Application
(1) Laboratory testing of solar cell modules according to VDI 3956-1.
(2) Temperature-dependent dusting and cleaning tests of glass surfaces.
(3) Investigation of condensation effects and cleaning behavior under simulated wind conditions.
(4) Evaluation of environmental effects on other flat specimens or materials.
(5) Research and development for anti-soiling coatings and self-cleaning surfaces.
(6) Comparative testing of different module or material designs under controlled dust exposure.
Standards
(1) VDI 3956-1 — Test method for the dust soiling behaviour of solar energy systems.
Features
(1) Adjustable sample holder angle up to 60° for realistic installation scenarios.
(2) Selectable dust dosing positions for uniform or targeted dust application.
(3) Integrated data logger for automated data acquisition.
(4) Largely automated processes for reproducible testing.
(5) Optimized handling for easy specimen placement and removal.
(6) Air lock prevents dust emission into the laboratory environment.
Parameters
| Parameter | Unit | Value |
|---|---|---|
| Air flow velocity | m/s | ≤ 15 |
| Test specimen dimensions | mm | Thickness ≤ 10 |
| Specimen holder | – | Base area 200 × 200 mm; setting angle 0 … 60° (discrete) |
| Test conditions | – | Environmental temperature and relative humidity (controlled) |
| Compressed air supply | bar | 6 … 10 (quality class ISO 8573-1:2010 [6:4:2]) |
| Power supply | – | 3 – TN-C-S network/PEN; 400 VAC, 50 Hz |
| Test chamber dimensions | mm | 700 × 720 × 700 |
| Aerosol generation technology | – | Dust disperser SAG 410 |
| Power consumption | W | max. 6000 |
| Noise emission | dB(A) | LpA ≤ 76.7 ± 1.5 |
| System dimensions (W × H × D) | mm | 2107 × 890 × 1647 |
| Weight | kg | approx. 450 (including devices) |
Test Procedures
(1) Mount the specimen on the sample holder within the air lock.
(2) Draw the sample into the preconditioned main chamber to prevent dust leakage.
(3) Set the desired sample angle (0–60°) for testing.
(4) Select the dust dosing position and activate the dual-positionable dust generator.
(5) Control sample temperature with integrated heating/cooling units.
(6) Simulate cleaning with a movable air blade.
(7) Ensure negative pressure is maintained in the chamber during dust dosing, humidification, and cleaning to prevent emissions.
(8) Record test data via the integrated data logger.
Maintenance Information
(1) Regularly check and clean the dust disperser SAG 410.
(2) Inspect heating and cooling elements for proper function.
(3) Verify compressed air supply meets ISO 8573-1:2010 standards.
(4) Keep air lock seals intact to prevent dust leakage.
(5) Periodically calibrate airflow sensors and data logger.
FAQ
(1) What is this product?
– A laboratory test system for evaluating dust soiling and cleaning behavior of solar cell modules and similar specimens.
(2) What is it used for?
– To simulate environmental dust deposition, humidity, temperature changes, condensation, and wind cleaning effects on solar modules or other flat surfaces.
(3) What types of this product exist?
– Configurations for single or multiple samples, with adjustable sample angles and dust dosing positions.
(4) What industry problems does it solve?
– Provides reproducible assessment of soiling, cleaning behavior, and environmental resistance of solar modules, coatings, and glass surfaces, supporting R&D and quality assurance.
(5) How is it operated?
– Mount the sample, set environmental conditions, select dust dosing and cleaning options, run automated test procedures, and collect data via the integrated data logger.
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