Equipments and Methods

Material Characterization

 

  • Precision universal testing machine for determining quasistatic load-deformation characteristics of materials up to 2kN and a temperature range of -40°C to 250°C
  • Servohydraulic universal testing machine for dynamic characterization of temperature- and speed-dependent load-deformation properties of materials up to 25 kN at a temperature range of -40°C to 350°C
  • Double ring and 4 point bending test for surface strength testing of glass
  • Dilatometer for precision measurement of temperature-dependent expansion of material at the range of -150°C to 1400°C
  • Frequency measurements of structures by Laser-Doppler-Vibrometry

 

© Fraunhofer CSP

Precision universal testing machine for determining quasistatic load-deformation characteristics of materials.

Module Characterization

 

 

  • Mechanical static load test bench for modules up to 2 m² with a surface load of up to 5.4 kN / m² and a multilocal deformation measurement
  • 3D image correlation system for spatially resolved measurement of local shifts and specimen strains
  • Optical module inspection
  • Electroluminescence measuring station
  • Test site for the mechanical loading of PV laminates with simultaneous electroluminescence (EL + 4PB)
  • Thermography with IR camera (resolution 640 x 480 pixels, spectral range from 7.5 to 13 μm, temperature measuring range from -40 ° C to 500 ° C, thermal sensitivity of 40 mK at 30 ° C)

 

© Fraunhofer CSP

Test site for the mechanical loading of PV laminates with simultaneous electroluminescence (EL + 4PB).

Weathering & Accelerated Lifetime Testing

 

  • Climate test cabinets 2 x 100 l, 200 l and 1500 l with a temperature range from -70°C to 180°C, air-conditioning and dampening control as well as temperature ramps of ± 2 K / min (1500 l chamber additionally with UV irradiation unit of 220 W / m² UVA / UVB)
  • Damp heat test chambers 3 x 8 m³ with temperature range 40°C to 90°C and humidity range 10 to 90 % RH
  • Climate test chamber 46 m³ at a temperature range from -60°C to 100°C, humidity range from 10 to 90% RH. including irradiation unit solar simulator AM1.5 with 1000 W / m² for an irradiated area up to 6 m²

 

 

© Fraunhofer CSP

Climate test cabinet.

Energy Yield & Performance Measurement

 

 

  • High voltage test equipment with up to 1 kV applied voltage
  • High voltage measuring equipment
  • Micro ohmmeter for measurement of small electrical resistance
  • Performance test in laboratory by class AAA module flasher up to 2,6 x 2,6 m²
  • Outdoor performance test with continuous IV curve recording, temperature and irradiance on modules
  • Environmental measuring for direct, diffused and global irradiance, air pressure and humidity, wind speed and direction

 

 

© Fraunhofer CSP

David Daßler and Jens Fröbel are maintaining the solar cell modules tested in the Outdoor PV Lab.