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Backtracking (“BT”) is a shade avoidance algorithm for single-axis horizontal tracker PV systems which has historically been regarded as superior to all other tracking algorithms. Because their internal electrical structure does not create a large shading penalty, First Solar modules have the option of not backtracking (also termed “Truetracking” or “TT”) while most c-Si modules do not. Experiments...
Since 2007 SolFocus has installed close to 2 MW of concentrated photovoltaic (CPV) power plants at multiple sites around the world. These installations have proved essential for assessing the value and variability of energy generation and performance ratio, as well as how accurately SolFocus is able to model and predict the product performance of its sites. This paper shares the data and results of...
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