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ZeprenHELIOSCHAR+ Beam Quality Measurement

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Helioschar+ is a sophisticated system designed for measuring the quality of heliostats in solar power plants. It combines advanced high dynamic range logarithmic detectors with multiple cameras to accurately assess the intensity and distribution of solar spots. The system's capability to differentiate between reflected and background light allows for precise evaluation of heliostat performance. This precision improves calibration and operational efficiency, crucial for both new and existing solar installations. Helioschar+ addresses challenges such as beam distortions due to misalignments or deformations in heliostat surfaces. Its modular design enables adaptation to various solar plant configurations, facilitating the characterization of distant heliostats as Concentrated Solar Power (CSP) plants expand. With a focus on high sensitivity and data accuracy, Helioschar+ represents a significant advancement in CSP instrumentation technology.
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Helioschar+ determines the quality of heliostats by combining the measurement of the sunspot they generate and the determination of the normals on their surface.

HELIOSCHAR+ combines high dynamic range logarithmic detectors and multiple cameras to offer enhanced measurement precision. This approach enables non-tracking, accurate assessment of the solar spot’s intensity and distribution.

By effectively distinguishing between reflected and background light, our system provides a clearer and more precise understanding of heliostat performance, significantly improving the calibration and efficiency of heliostats in both new and existing solar power plants

  • Reflected heliostat spot power distribution
  • Measurement of the normal vector along the heliostat surface
  • Modular design: The modular design allows the shape and size of the equipment to be modified to adapt it to any solar plant
  • Far Heliostats Characterization: The trend towards increasing the number of heliostats in CSP plants makes characterizing the heliostats further away from the tower a challenge with current methods.
  • High Sensitivity: HELIOSCHAR+ combines high dynamic range logarithmic detectors and multiple cameras to offer enhanced measurement precision.