Applications and required measurement instruments

Depending on the planned solar power plant, we recommend the following measurements:

Small PV power plant     

• Recommended measurements: GHI and GTI
• System components:
  • Data logger
  • Steel cabinet with solar power supply and communication system
  • Pyranometer
    Optional:
  • Pyranometer tilted in the same angle as solar module to measure GTI
  • 2 solar reference cells (horizontal and tilted)

Medium PV power plant     

• Recommended measurements: GHI, DHI and calculated DNI
• System components:
  • Data logger
  • Steel cabinet with solar power supply and communication system
  • Rotating Shadowband Irradiometer to measure GHI, DHI and DNI (calculated)
    Optional:
  • 2 solar reference cells (horizontal and tilted)
  • Delta-T SPN1 Pyranometer to measure GHI, DHI and DNI (calculated)
  • Pyranometer tilted in the same angle as solar module to measure GTI

Large PV and CPV power plant     

• Recommended measurements: GHI and DNI
• System components:
  • Data logger
  • Steel cabinet with solar power supply and communication system
  • Pyranometer
  • Pyrheliometer
  • Optional:
  • 2 solar reference cells (horizontal and tilted)
  • Pyranometer tilted in the same angle as solar module to measure GTI
  • Rotating Shadowband Irradiometer to measure GHI, DHI and DNI (calculated)
  • Delta-T SPN1 Pyranometer to measure GHI, DHI and DNI (calculated)

CSP power plant     

• Recommended measurements:GHI and DNI     
• System components:
  • Data logger
  • Steel cabinet with solar power supply and communication system
  • Sun tracker
  • Pyranometer
  • Pyrheliometer
  • Optional:
  • Pyranometer with shadow ring or shadow ball
  • Rotating Shadowband Irradiometer

In order to perform a complete site assessment, we recommend measuring additional components:

• Ambient temperature
• Wind speed and wind direction
• Air humidity
• Air pressure
• Precipitation amount and frequency
• Soiling