Rafael Santos Posted October 2, 2014 Share Posted October 2, 2014 Hi,I ran a simulation on a site for a 1MWp project, and I found 1.9% for PV loss due to irradiance level. I was using PVsyst v.6.25 at that time (July, 3rd).Today I ran the same project with PVsyst 6.3 (the new version) and I got 0.6% loss for the same parameter. I haven't change anything on the meteo parameters, so I was curious to know how come the results be so different?I took a look at the software development at the web site, and I noticed that the following upgrade in version 6.27: "PV module Rserie default value: according to 200 W/m2 relative efficiency (-3%)."I know that Rseries and Rshunt parameters affect this kind of loss, so is it possible that this could be the answer?PS: I noticed the same situation for the temperature loss - but to a less extent (9.4% on the previous version to 8.8% on the new version).Thank you so much for the help, and best regards,Rafael Pereira Santos Link to comment Share on other sites More sharing options...
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