PSI-1KW Heliostat Specifications


  • Reflector Area: 1.12 Meter2
  • Output Power: 1.0 KW (heliostat normal to Sun)
  • Weight: 12 Kg, total with 2mm thick mirrors but w/o rear counterweight
  • Electrical Interface: single 2-Conductor cable, stranded, shielded or unshielded
  • Electrical Power Consumption: <100mW average (0.10 Watt)
  • Rotation Range, Azimuth: +/- 90 deg.
  • Rotation Range, Altitude: 5 deg. to 90 deg.
  • Positioning Accuracy Over Full Azimuth and Altitude Range: 0.11 deg. (2.0 mR)
  • Positioning Repeatability Over Full Azimuth and Altitude Range: 0.05 deg. (1 mR)
  • Operating Temperature Range: -20°C to +50°C
  • Operating Humidity Range: 0 – 100% relative humidity
  • Maximum Operating Wind Speed: 80 km/hour
  • Maximum Structural Windspeed, unstowed: 150 km/hour
  • Maximum Structural Windspeed, Stowed (Altitude = 90 deg.): 180 km/hour
  • Available Focal Lengths: 10 meters to 100 meters

Diagram of the PSI-1KW Heliostat