Wet Leakage Current Tester
The Wet Leakage Current Test System is designed to evaluate the insulation performance of photovoltaic (PV) modules under humid conditions. By simulating rain, fog, dew, and melting snow, it accurately assesses the internal circuitry safety and reliability of PV modules. The system prevents moisture-induced corrosion, leakage, or other electrical hazards, ensuring modules maintain compliance with safety and quality standards.
Standards
IEC 61215 – Crystalline Silicon Photovoltaic Module Design Qualification and Type Approval
Parameters
| Item | Technical Parameter |
|---|---|
| Test Tank Size | 2100 × 1000 × 250 mm (W×D×H), thickness 15 mm |
| Tank Material | Acrylic (Transparent) |
| Temperature Control | Self-developed constant temperature system, 22 ±3℃ |
| Liquid Resistivity | < 3500 Ω·cm |
| Spray System | 3 × UL laboratory spray nozzles, each with water pressure gauge and flow adjustment valve |
| Insulation Test Instrument Output Voltage | 0–5000 V adjustable |
| Maximum Leakage Current | 5 mA |
| Voltage Ramp Rate | 500 V/s |
| Insulation Resistance Measurement Range | 1 MΩ – 9999 MΩ |
| Leakage Current Measurement Range | 0.001 – 5.000 mA DC |
| Control Precision | High-precision conductivity meter and constant temperature control |
| Sample Capacity | Customizable according to fixture, supports multiple modules simultaneously |
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