Grae Posted February 6, 2017 Share Posted February 6, 2017 Hi,We have a simulation in Australia, where we found a change in IAM values between PVsyst version 6.42 and version 6.52, which we investigated. We ensured that the .pan file and IAM was the same between the two variants along with the meteo file to ensure a like for like test.We found whilst analysing the results that although the main GII on the PVsyst report was the same, the GII value in the 'Annual Yield', 'Detailed study of IAM (Incidence Angle Modifier)', this was an unexpected outcome.We see in the release notes that some work has been done on the IAM coding in 6.43, ‘Fixed errors’ point 2. Please can you confirm if this is the reason why we are seeing the changes.Many thanks,Grae Link to comment Share on other sites More sharing options...
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