Rajesh saha Posted August 18 Share Posted August 18 Hi, I am calculating DC and AC Cable Power loss at 90 Deg C for fixed length and Conductor type as per NOCT. But When I am putting this Same power Loss in PV syst then it is not as per STC. So, My question is that while putting power loss should I consider 25 Deg C Because PV askes Power loss at STC. Please clarify the point. Thanks Rajesh Link to comment Share on other sites More sharing options...
Michele Oliosi Posted August 21 Share Posted August 21 If you have cable length and conductor type, the best is to use that information directly. PVsyst will then compute the resistance of your cabling. STC is 1000W/m^2 and 25 °C so yes you have to take that into account if you want to enter a percentage loss value. I would rather recommend using the cable length, section, and conductor type instead. Link to comment Share on other sites More sharing options...
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