Rajesh saha
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PV Syst calculate MV Transformer size based on the Inverter Capacity @ 25Deg C in "Generic Values" section. If this above understanding is correct then, if I use "Transformer From Data Sheet" option, then the Capacity of the Transformer shall be at what Temperature? Because, at 25 Deg C if a transformer has 12.5MVA & at 50 Deg C same transformer act as 10MVA & based on the Temperature All the losses varies. In my case ambient is 50 Deg C and Transformer is 10MVA at 50 Deg & same transformer is 12.5MVA at 25 deg. So, Please guide does PV Syst consider the ambient temperature effect in case of transformer and how should I consider to get proper result?
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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
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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