IEC61215-2:2016 the newest standard Wet Leakage Current Testing Machine/Testing equipment for solar panel
standard
It's according to IEC61215-2016, IEC61646 etc standard requirement
purpose
It's to evaluate the insulation of the module under wet operating conditions and verify that moisture from rain, fog, dew or melted snow does not enter the active parts of the module circuitry , where it might cause corrosion , a ground fault or safety hazard
specifications
1.Test tank size:2100×1000×250mm (W×D×H), thickness 15mm, material:plexiglass
2.Temperature control:water constant temperature system reserached and development by HOTOTECH , tempreature:22±3ºC
3.Liquid resistivity:less than 3500Ω.cm
4.Spray system:nozzle adopt UL laboratory special nozzle 3 pieces, very nozzle equipped with water gauge and water flow control valve , it's can multi direction spray for the junction box, the water pressure and water flow amount can adjustable
5.Programmable insulation withstand voltage tester
5.1 programmable insulation withstand voltage tester
5.2 leakage current the maximum 0-5000V (adjustable)
5.3 output speed rate:500V/S
5.4 Insulation resistance test range:1MΩ~9999MΩ
5.5 Leakage current test range:0.001~5.000mA (DC)
6.Main configuration
6.1 Insulation withstand voltage tester
6.2 Water constant temperature system (control box )
6.3 Spray frame
6.4 Insulation water tank
6.5 Conductivity meter
6.6 Sample frame
procedure
All connections shall be representative of the recommended field wiring installation and precautions shall be taken to ensure that leakage currents do not originate from the instrumentation wiring attached to the module
a) immerse the module in the tank of th required solution to a depth sufficient to cover all suface except junction box enteries not designed for immersion. the cable entries shall be thoroughly sprayed with solution. if the module is provided with a mating connector , the connector should be immersed during the test
b) Connect the shorted output terminals of the module to the positive terminal of the test equipment , connect the liquid test solution to the negative terminal of the test equipment using a suitable metallic conductor
c) increase the voltage applied by the test equipment at a rate not to exceed 500V.s¯1 to 500v or the maximum system voltage for the module , whichever is greater , maintain the voltage at this level for 2 min. then determine the insulation resistance
d)Reduce the applied voltage to zero and short-circuit the terminals of the test equipment to discharge the voltage build-up on the module
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