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Four-cell solar trackerForty cm Sun tracker, consisting of optical telescope and four solar cells, stays pointed at Sun throughout day for maximum energy collection. Each solar cell generates voltage proportional to part of solar image it receives; voltages drive servomotors that keep image centered. Mirrored portion of cylinder extends acquisition angle of device by reflecting Sun image back onto solar cells.
Document ID
19800000319
Document Type
Other - NASA Tech Brief
Authors
Berdahl, C. M.
(Caltech)
Date Acquired
August 10, 2013
Publication Date
January 1, 1981
Publication Information
Publication: NASA Tech Briefs
Volume: 5
Issue: 3
ISSN: 0145-319X
Subject Category
Physical Sciences
Report/Patent Number
NPO-14811
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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