DIY Heliostat Sun Tracker Solar Power Fresnel Lens
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HELIOSTAT SUN TRACKER SOLAR POWER FRESNEL LENS GREEN ENERGY
This is our first attempt at a useable Heliostat for our Fresnel Lenses. In future videos I will have all the information for a DIY system using very easy to find materials. We are developing a controller that is simple to program and can control any type of DC or even AC motors. Once completed I will share some open source information.
I like what you are doing.
However I have a “nit pick”.
You have described your Fresnel Lens Concentrator as a “heliostat”. This is not correct.
1. A heliostat is a two axis solar tracking mirror that reflects sunlight onto a fixed receiver.
2. Furthermore, the geometry between the Sun, Mirror, and Receiver are constantly changing throughout the day. (There is a special case, the coelostats, where light is sent along the polar axis and where the geometry is approximately fixed throughout the day.)
3. In general the mirror is aimed normal to the bisector between the sun and receiver.
In yours the geometry between the Sun, Lens, and Receiver is fixed.
Duane
By Duane C. Johnson on Nov 13, 2008