denizurla Posted March 6, 2014 Share Posted March 6, 2014 Hello,Performance Ratio calculation of PVsyst for grid connected large-scale PV systems is clear to me, since it depends on the following formula " PR = E_Grid / (GlobInc * Pnom) ". This PR value is also shown in the report at the "Main Simulation Results".I thought that,if I want to create the same PR value from the "Loss diagram over the whole year (Arrow diagram)", I should multiply the loss percentages. However it seems like the PR value created by multiplying the loss percentages from Loss Diagram is around 0,7% (not for every project) lower than the PR value shown at the "Main Simulation Results".Does this difference come from rounding the involving values? How should this difference be explained?Best Regards,Deniz Link to comment Share on other sites More sharing options...
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