Design and simulation of a sensor for heliostat field closed loop control

Collins, Mike; Potter, Daniel; Burton, Alex

doi:10.1063/1.4984352

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Calibration1

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2017

2024

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Cited by 4 publications

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“…Röger et al (2012) determined the heliostat orientation by detecting the contour of the heliostat. The scanner proposed by Collins (2016) consists of an array of cameras that pass through the concentrated radiation in front of the receiver. As it measures the light field (intensity and direction of light) it can characterise each heliostat's flux spot and give feedback for closed-loop control.…”

Section: Calibrationmentioning

confidence: 99%

Progress in heliostat development

Pfahl

Coventry

Röger³

et al. 2017

Solar Energy

134

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Strong efforts are being made to drive heliostat cost down. These efforts are summarised to give an update on heliostat technology comprising: determination of wind loads, heliostat dimensioning, solutions for the different sub-functions of a heliostat, a review of commercially available and prototype heliostat designs, canting, manufacturing, qualification, heliostat field layout, and mirror cleaning. There is evidence that commercial heliostat costs have dropped significantly in the past few years, with commercial suppliers of heliostat technologies now claiming heliostat field costs around 100 USD/m 2. With new approaches even target cost of 75$/m² seem to be realistic.

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Section: Calibrationmentioning

confidence: 99%