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3.7. Solar Production Analysis
Box plots every five minutes of the day. In order to correct for time of day we need to calculate Solar angle formulas. The extra hump around 17:00 may be due to shading by a tree at different times of year.
Is timestamp time of day or time of year (probably)?
AC and DC power are almost perfectly linear with a slope based on inverter effeciency and RMS (sqrt(2))
Non-linear residual suggests treating low points as outliers.
VI curve of Maximum Power Point (MPT) for solar array as illumination varies. Note almost constant 400V DC.
AC voltage is bimodal; from floating neutral or other cause.