TG-817DWet leakage current of photovoltaic modulestestsystemIntroduction:

The wet leakage current test system for photovoltaic modules is used to verify the impact of moisture caused by weather conditions such as rain, fog, dew, or dissolved snow entering the interior of the module and causing corrosion, leakage, or safety accidents to the circuit.

The wet leakage current test system for photovoltaic modules is suitable for labeling: IEC61215-2021、IEC61646-2008、IEC61730:2-2020、UL 1703-2018、EC62790:2020According to the standard for wet leakage current testing.

TG-817DWet leakage current of photovoltaic modulestestIntroduction to System Equipment Composition:

1：Insulated sink

2：control system

3：Conductivity tester

4：Programmed controlVoltage withstand insulation tester

5：Surface tension meter

6：Bar code scanning gun

7：microcomputer

8：Insulated gloves, insulated shoes, dry wooden sticks

TG-817DWet leakage current of photovoltaic modulestestSystem parameter introduction:

1：Insulated sinkuse20mmMade of seamless welded thick organic acrylic sheet, it has the characteristics of insulation, earthquake resistance, transparency and visibility, impact resistance, high temperature resistance, corrosion resistance, etc. The sink can be equipped with a shelf inside for easy storage of test samples.

2: Insulation sink size:D2800×W1800×H250(mm).

3The sink is equipped with two solution outlets and a return outlet at both ends, and a drain outlet at the bottom. Two of the water outlets are connected to the water pump, and the pipe mouth is inverted45Tilt the mouth to prevent splashing around the solution. The height of the return water outlet can be adjusted according to the test requirements to ensure that the solution is sufficient to cover all component surfaces except for the incoming wires of the junction box (when the junction box is not designed to be waterproof).

4Insulated sink, temperature controlled22±3℃，Using imported pumpsThe effluent flow rate is 80L/min, and the inlet pipe is controlled by a ball valve at the outlet along the edge of the water tank, with multiple holes for diversion, so that the inflow can be evenly distributed.

5Constant temperature system, using immersion method304 stainless steel U-shaped double tubeDual independenceHeater, single tube can also be independently adjusted, heating is fast, temperature control is accurate, and the water level in the box is automatically replenished;

6: Spray device, a spray device containing the same solution. Contains three sprinkler heads, each equipped with a water pressure gauge and a water flow control valve; Control the pressure of each sprinkler head within34.5Kpa. The distance from the nozzle to the component is about 0.9M. SprayThe direction is 4 degrees from the vertical direction5Angle towards the solar panelComplies with UL1703 regulations.

7：The resistivity of the water used in the test before the experiment was 3500±1759Ω.cm(25℃）The resistance after testing

The rate is not less than3200 not greater than 3800Ω.cm(25℃）.

8Install a stainless steel filter screen at the circulating water inlet.

9Insulation strength of sink: resistant3000VThe above voltage.

10The test sink is equipped with a separate adjustable sample rack, made of aluminum alloy and steel (wrapped with insulation strips)

11The control cabinet adopts the concept of integrated instrument and equipment control, and the control system is installed in the front of the sink bracket for easy setting and observation by operators.

12The control system adopts high-precision Thai custom LCD temperature controller with temperature display range0~99.9℃, digital display withPIDAutomatic calculation and temperature self-tuning system, control error ≤±0.5℃；

13Digital Display Total Time Controller0.1S-9999H

14Circular button switch, can be continuously pressed and fastened50one million time

15System startup can be set according to experimental needs/Stop time

16All other electrical components are equipped with Delixi products to ensure the normal operation of the equipment;

17：Programmed controlVoltage withstand insulation testeruseTG-9017A.

17.1、Insulation output voltage:DC 0.1KV-2.0kv

17.2、Insulation resistance setting:100KΩ-99GΩ

17.3、Range and accuracy of insulation resistance testing:5%（100KΩ-10GΩ）； 20%（10GΩ-99GΩ）

17.4、Timer:0-999.9Seconds, Resolution0.1Seconds, precision ±1%

17.5、Memory group30Group and testing steps99pace

17.6、You can set the testing time, and the power system will automatically stop after the experiment ends

18:Equipped with high-precision conductivity tester

1:Conductivity testing range and accuracy:0.000μS/cm～3000mS/cm±0.5%FS

2Temperature testing range and accuracy:-10.0~120.0°C±0.5°C

3Conductivity testing automatically compensates for temperature and can measure both conductivity and temperature simultaneously

19Surface tension meter

Testing method: Platinum plate method
Operation mode: fully automatic operation
Test scope: 0-200mN/m
Measurement sensitivity:0.01 mN/m
Measurement accuracy:±0.02 mN/m(Testing)20Error between secondary distilled water or pure ethanol at ℃ and literature values
Temperature range:0 — 110℃ (Optional sample constant temperature bath and external constant temperature bath are required, standard configuration can only be used at room temperature)

20Power supply: three-phase four wire systemAC380±5%，50/60Hz；

21Installation power: approximately12KW

22Equipment weight: approximately200Kg

TG-817DWet leakage current of photovoltaic modulestestSystem security measures:

1The power supply has a leakage current alarm prompt.

2The device has an overcurrent prompt.

3The device has an overvoltage warning.

4The device has an over temperature prompt.

5The device has a short circuit prompt.

TG-817DWet leakage current of photovoltaic modulestestSystem usage conditions:

Installation site

1: The ground is flat and well ventilated;

2There is no strong vibration around;

3: No direct sunlight or direct radiation from other heat sources;

4There is no strong airflow around, and when the surrounding air needs to flow strongly, the airflow should not directly blow onto the product;

5There is no strong electromagnetic field around it;

6There are no flammable, explosive, corrosive substances or dust around;

7: Leave appropriate space for use and maintenance around the equipment

8: Three phase380±5%，50/60±0.5Hz；

9: The grounding resistance of the protective grounding wire is less than4Ω；

10Users configure independent air switches of corresponding capacity for the equipment at the installation site for use with this device.

11A floor drain should be installed near the equipment for water source and overflow water discharge.

12Reserved equipment usage siteAbout 3000x4000mm.

TG-817DWet leakage current of photovoltaic modulestestSystem environmental conditions:

Temperature:5℃～35℃.

Relative humidity: ≤85%.

Air pressure:86kPa～106kPa.

TG-817DQuality assurance of photovoltaic module wet leakage current testing system:

1On site installation and debugging of equipment, and training of operating personnel for customers.

2If the product cannot function properly due to manufacturing quality issues within twelve months from the date of shipment, provided that the user complies with the product installation and usage rules, our company will provide free repairs for the user.

3For products outside the warranty period, our company provides long-term technical services.

4After sales service response time:24Respond within hours.