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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/1105

Title: 25m2 target-aligned heliostat with closed-loop control
Authors: Roos, TH
Zwane, NX
Kruger, E
Perumal, S
Cathro, R
Keywords: Heliostat
Closed-loop control
Solar tracker
Renewable energy
Solar
Fossil fuel gas turbine
Issue Date: Sep-2007
Citation: Roos, TH, et al. 2007. 25m2 target-aligned heliostat with closed-loop control. SES Solar World Congress 2007: Solar Energy and Human Settlement. Beijing, China. 18-21 September 2007, 8p.
Abstract: A 252m target-aligned research heliostat with closed-loop control, with a theoretical concentration of 80 suns, has been built at CSIR in South Africa. The heliostat has four degrees of freedom: Azimuth, Elevation, Rotation and Pitch. A control system making use of a solar tracker has been developed and tested on a 1.252m target-aligned miniheliostat. A tracking accuracy of 3.3 milliradians was obtained. A good focal spot has been obtained with the 252m target-aligned research heliostat.
URI: http://hdl.handle.net/10204/1105
Appears in Collections:Aeronautic systems
Sensor science and technology
General science, engineering & technology

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