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IBC SOLAR QUALITY: MODULE TEST PROCEDURE

  • Text
  • Module
  • Modules
  • Solar
  • Inspection
  • Electroluminescence
  • Insulation
  • Resistance
  • Voltage
  • Measurement
  • Output
IBC SOLAR Module Testing Methods Brochure

WET LEAKAGE CURRENT

WET LEAKAGE CURRENT TEST (MQT 15) | DIN EN 61215-2:2017-08 Purpose Evaluating the insulation of the PV module when exposed to moisture. Rain, dew or melted snow must not enter active parts of the PV module in order to prevent corrosion, earth faults and safety hazards. Test device Water tank for PV modules with: v a DC voltage source that can generate a 1,000 V system voltage and is equipped with a current limiter v Measuring device to determine the insulation resistance Process v Prepare water solution agent so that the resistance corresponds to a maximum 3,500 Ω/cm and the temperature is at +22°C (±2) v Immerse the water wetting agent solution in the water tank until the PV module is covered v Do not immerse the junction boxes too. They will be covered with the solution v The short-circuited output terminals of the PV module will be connected to the positive terminal of the test device v The solution must be connected to the negative terminal of the test device with a suitable metallic conductor v Test period: 2 minutes v If modules have an area of greater than 0.1 m², the measured insulation resistance multiplied by the module area must not be less than 40 MΩ x m² Example Measured insulation resistance for module area exceeding 0.1 m² IBC SOLAR standard size = 1,600 mm x 990 mm = 1.58 m² 40 MΩ x 1.58 m² = 63.36 MΩ Positive terminal of the test device Test device with measuring device to determine insulation resistance Short-circuited terminals Junction box PV module Water tank with water water wetting agent solution IBC SOLAR AG | Am Hochgericht 10, 96231 Bad Staffelstein, Germany | Phone +49 (0)9573-92 24 0 | info@ibc-solar.com | www.ibc-solar.com + – Metallic conductor negative terminal As of: 10.2018 | 9001400106

DETECTING VOLTAGE- INDUCED DEGRADATION DIN IEC/TS 62804-1:2017-05 Purpose System load of PV modules in an environment with humid heat. Qualification requirement of PV modules for the charge produced by the system voltage during operations. Early detection of degradation to prevent output losses and losses of earnings at an early stage. Test device Climate chamber Process v Using a high DC voltage source with current limiter v Attaching and introducing the PV modules into the climate chambers with temperature and moisture control Standard v Air temperature: +60°C (±2) Test parameter IBC SOLAR conducts tests in a stringent process at +85°C (±2) v Relative humidity: 85% (±5) v Test period: 96 hours v Voltage: 1,000V – 1,500V Tests before and after the inspection v Determining the maximum output according to DIN EN 612162:2017-08 (MQT02) v Electroluminescence test according to IEC 82/1062/CD:2016 IBC SOLAR AG | Am Hochgericht 10, 96231 Bad Staffelstein, Germany | Phone +49 (0)9573-92 24 0 | info@ibc-solar.com | www.ibc-solar.com As of: 10.2018 | 9001400107

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IBC SOLAR – a strong global partner for solar power

IBC SOLAR AG has been successful for more than 37 years and is amongst the leading international energy companies, which provide high-performance system solutions in every size and for every application with intelligent photovoltaic systems. The economic strength and financial independence is confirmed by globally recognised rating agencies.

Smart Systems for Solar Power thanks to perfectly matched components. More than 1,000 highly qualified partners around the world, as well as more than 3,300 megawatts of installed power and over 160,000 photovoltaic systems all underline the high level of expertise of IBC SOLAR.