JavierGV Posted September 30, 2016 Share Posted September 30, 2016 Once the system is defined, you can see the Nominal PV power and the nominal AC power (Global System Summary) and while you introduce parameters for the calculation of Detailed losses -> Ohmin Losses -> AC circuit, you can see "STC: P ac".This parameter, P ac at STC, is used at the external transformer iron loss calculation: when you introduce a percentage value for the iron loss, a value in kW appears beside it. This value in kW is the percentage value * (P ac at STC).How is this value (P ac at STC) calculated? Link to comment Share on other sites More sharing options...
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