Li-ESS Posted September 2 Share Posted September 2 Dear all, I want to calculate a normalized value of average array output without loss (EArray) by Pnom [kWp] in the range 0 to 1, expected the results are the same as Ya / 24. But I found the results are not the same. How to calculate it correctly? For example, I ran the aging tool, selected 8 years for simulation and "generate output files" includes the variables "EArray" and "Ya". I copied and pasted the values of "EArray" and "Ya" in one excel, finally expected: for each hour, the SUM(EArray1 + ... + EArray8)/8/Pnom = Ya/24 Thank you in advance! Link to comment Share on other sites More sharing options...
Li-ESS Posted September 4 Author Share Posted September 4 Or, the correct method is the 8th year Ya = EArray / Pnom, it doesn't need to use the 8-year average of EArray. Link to comment Share on other sites More sharing options...
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