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About Me

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  1. 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
  2. Hello, I want to know the ambient temperature used in the monthly meteo data is which monthly average? Average of High Daily Temperatures Average of Low Daily Temperatures Average of Mean Daily Temperatures Thanks in advance
  3. I would very much have liked a function for importing albedo and snow data directly from Meteonorm, as this is something that is used frequently in our simulations. Instead of having to import this data from Meteonorm manually, the proposed function would provide ease of use to the UI in the same way that direct import of a horizon did. We currently download snow depth data from local weather stations, when possible, for use in the Marion model, which enables the creation of a soiling profile due to snow. The same data is available from Meteonorm and together with data on temperature and irradiance allows for creating a snow profile when no local data is available. Would this be difficult to integrate in PVsyst?
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