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Davide Maglione

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Everything posted by Davide Maglione

  1. thank you Michele, as always very helpful answers ? i just noticed that the latest patch addedd some modifications on the Horizon losses, in fact i am noticing substantial differences with the former far shading losses figures, independently from the Horizon provider. can you explain to me what did the patch modified?
  2. Ok thank you! Talking about the data import i noticed 2 things: The Sun heigth value is always cut to the 1st decimal number The coordinates for the horizon point are always cut to the 4th decimal number does this affect the calculation or is just the way the software lets the user visualize the import data? i know that in the "batch simulation" feature we can create a batch of simulation even modifying the climate data. is it possible to modify the Horizon too?
  3. Hi Michele, thank you very much for the answer. can you clarify what you mean when referring to 10 times the size of the system? also, when you say that "can be included" you mean that the software will automatically recalculate the horizon profile?
  4. Hello forum users, i am doing some research on the various Horizon sources available. i have chosen some meteo data i have used for previous projects and i would like to do a series of analysis for each one of them using: 1 - SolarGIS Horizon profile 2 - Meteonorm Horizon (from PVsyst web sources) 3 - PVGIS Horizon (from PVsyst web sources) my goal is to: compare the "far shading losses" and the Horizon line drawings considering the different Horizon data so to have a general overview of the differences between the Horizon datasets; of course my research will also include the study of the manuals and theory behind the definition of the Horizon profile provided by each one of the three Meteo database. i would like to raise a couple of questions: how far has to be an obstacle to be actually considered in the far shadings? considering the high dependency of the horizon from the exact geographical coordinates, are there any suggestion on the horizon profile choice regarding big PV plants? has someone of you undergone some similar studies? have you found some interesting results? also, considering point 2, a question for the software developers: are you considering a possible software update that would allow the user to set different horizon profiles, perhaps linking a single profile to a single subfield? thank you very much in advance for your contribution! Davide
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