Automated Wet leakage current test system of photovoltaic module
Whats/App: +86 156 1874 6768
Web: standard-groups.com
Application
The system is suitable for electrical safety and insulation performance testing of photovoltaic modules in simulated wet environments, including:
Electrical insulation testing of crystalline silicon PV modules (monocrystalline and polycrystalline)
Wet leakage current evaluation of thin-film PV modules (CIGS, CdTe, a-Si, etc.)
Design qualification and type testing of photovoltaic modules
Routine quality control testing during PV module production
Reliability and safety performance verification of PV modules
Type approval testing in third-party testing institutes and certification laboratories
Insulation structure evaluation during PV module R&D
Photovoltaic safety performance research in universities and research institutions
Standards
The Wet Leakage Current Test System is designed to meet the requirements of the following standards:
(1) GB/T 9535 – Crystalline Silicon Terrestrial Photovoltaic (PV) Modules – Design Qualification and Type Approval
(2) GB/T 20047 – Photovoltaic (PV) Module Safety Qualification Requirements
(3) IEC 61215 – Terrestrial Photovoltaic (PV) Modules – Design Qualification and Type Approval
(4) IEC 61730 – Photovoltaic (PV) Module Safety Qualification (relevant clauses on insulation and electrical safety)
Parameters
| Item | Technical Specification |
|---|---|
| Test Tank Dimensions | 2100 × 1000 × 250 mm (W × D × H) |
| Tank Material | Acrylic (Organic Glass) |
| Tank Thickness | 15 mm |
| Water Temperature Control Range | 22 ± 3 ℃ |
| Temperature Control Method | Self-developed water constant-temperature system |
| Test Liquid Resistivity | ≤ 3500 Ω·cm |
| Spray Method | Multi-angle adjustable spray |
| Spray Nozzle Type | UL laboratory dedicated spray nozzles |
| Spray Water Pressure / Flow | Adjustable |
| Maximum Test Voltage | 0–5000 V (adjustable) |
| Leakage Current Limit | 5 mA |
| Voltage Ramp Rate | 500 V/s |
| Insulation Resistance Range | 1 MΩ – 9999 MΩ |
| Leakage Current Measurement Range | 0.001 – 5.000 mA (DC) |
Accessories
(1) Dielectric Withstand Voltage Tester (0–5000 V output)
(2) Water Constant-Temperature System with independent control cabinet
(3) Acrylic Insulation Test Water Tank
(4) Adjustable Multi-angle Spray Frame
(5) UL Dedicated Spray Nozzles
(6) Conductivity Meter for monitoring water resistivity
(7) PV Module Sample Holder
(8) Test Water (configured according to resistivity requirements)
(9) Sensors and Probes (for periodic calibration or replacement)
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