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yildizipekci

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Everything posted by yildizipekci

  1. Hello, I wanted to create a custom imported meteo file for a location in Germany for 2025. The real data is available from Jan, 2025 until today. As I import the weather data I get an error due to clearness index of best days is way too low with respect to celar day model. Is it because PVsyst’s clear-sky model expects the year to include summer months (June–August), when irradiance and clearness index are highest. If my dataset ends in May, PVsyst looks for the “best” days in spring or winter — which naturally have lower solar angles and less irradiance, even on clear days. So even the “best” days don't look clear enough compared to what they should be. Or can it be due to a different issue? For the same location I could create custom imported files from 1993-2024 so only 2025 gives the error. Thanks a lot in advance!
  2. Good afternoon, I am currently using PVsyst Version 7.4 and after the update, I have a problem when I try to start a batch simulation. PVSyst freezes before starting the batch simulation (see attached screenshot). After clicking the button OK, there is no response of the programme. Also there is no indication of failure or any kind of notification. Can you maybe support me on this please?Thanks a lot in advance
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