Custom PV Hail Impact Tester
Whats/App: +86 156 1874 6768
Web: standard-groups.com
Standards
The machine is designed to meet the following key standards:
(1) GB/T 9535 – Crystalline Silicon Terrestrial Photovoltaic Modules – Design Qualification and Type Approval
(2) IEC 61215 – Terrestrial Photovoltaic Modules – Design Qualification and Type Approval
(3) IEC 61646 – Thin-Film Photovoltaic Modules – Design Qualification
(4) UL 1703 – Standard for Safety of Photovoltaic Modules
Parameters
| Item | Technical Specification |
|---|---|
| Launch Device Power | Compressed air from air compressor |
| Air Pressure | 6 – 8 bar |
| Ice Ball Loading | Manual single-shot |
| Barrel Length | ~940 mm, replaceable |
| X-Axis Travel | ~2100 mm |
| Y-Axis Travel | ~1000 mm |
| Positioning Accuracy | ≤1 mm |
| Impact Area | 2000 × 1000 mm |
| Guidance | High-precision imported rails |
| Drive | Imported servo motor + synchronous belt |
| Position Control | Automated via upper computer |
| Ice Ball Speed Measurement | Infrared sensor captures flight time t, V=S/t |
| Speed Accuracy | ±5% |
| Speed Range | 0 – 50 m/s |
| Ice Ball Impact Speed | 25 mm: 23.0 m/s ±5%; 35 mm: 27.2 m/s ±5%; 45 mm: 30.7 m/s ±5% |
| Ice Ball Diameter Deviation | ≤5% |
| Ice Ball Weight Deviation | ≤5% |
| Ice Ball Preparation Temperature | -10℃ |
| Ice Ball Mold | Inner diameter precision <1%; 1 mold 6 balls, at least 2 sets; CNC machined, deformation-resistant material |
Features
Automated X/Y-axis positioning ensures precise ice ball impact on designated areas
High-precision infrared speed measurement system monitors real-time ice ball velocity
Simulates realistic hail diameters and impact speeds according to IEC and UL standards
Ice ball mold precision guarantees diameter and weight deviation ≤5%
Replaceable barrel design adapts to different ice ball sizes
Upper computer control executes automated impact sequences, enhancing repeatability and safety
Accessories
(1) Launch device – includes pneumatic system and barrel
(2) X/Y-axis positioning device – dual-axis servo system, rails, and control modules
(3) Ice ball speed measurement system – infrared sensor and data acquisition module
(4) Upper computer control system – automates impact and positioning
(5) Ice ball storage box – maintains low temperature storage
(6) Consumable ice ball molds – 1 mold 6 balls, at least 2 sets per size
(7) Consumable ice balls – 25. 35. 45 mm diameters, prepared as needed
(8) Optional replacement barrels – supports different calibers or worn barrel replacement
Test Procedures
Prepare ice balls according to standard and store in the low-temperature storage box.
Fix the PV module on the testing platform with the surface perpendicular to ice ball flight.
Configure the upper computer with ice ball size, impact speed, target location, and number of impacts.
Launch ice balls according to the set program.
After impact, measure PV module appearance and electrical parameters (short-circuit current, open-circuit voltage, etc.).
Compare results against IEC 61215. IEC 61646. and UL 1703 standards to determine pass/fail.
Automatically record and save test data for analysis and comparison.
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