maranden Posted March 6, 2014 Share Posted March 6, 2014 Hi, I am currently writing a master thesis analyzing the actual and forecasted power production of solar power systems in Norway. Working out the prognosis I use PVsyst.I wonder if the simulations conducted with shadings according to module layout takes into account the height of the module above ground.In my work, the modules at one site are located 5 meters above ground on a building, however, I am unsure if the simulation takes this into account.The horizon I have defined has obstacles in a sun elevation angle 6 - 11.5 degrees, measured according to ground level.However, having defined the module layout and specified the module location 5 meters above ground, the obstacle height is 30 - 50% overestimated.This mostly will effect the yield in the winter months, where sun is scarce in the north. None the less, my thesis aims at giving accurate information as to the discrepancy between forecasted yield in PVsyst and actual production.If the program takes this into account, then it's all good. On the contrary, I will have to redefine my horizon. As far as I've looked, no answer has been found for this question. I chose to contact you before defining horizons for other sites and hope that the answer might also help others.Sincerely, Martin Andersen Link to comment Share on other sites More sharing options...
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