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joey_tribbiani

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  1. joey_tribbiani

    Cables

    Hello, In the options, I have marked 3 phase installation. Why does the diagram show only one phase. Thank you in advance for your answer.
  2. I'd like an explanation for that anomaly too. There's still no answer.
  3. I have considerable doubts about calculating the power of the MPPT. In my opinion, the problem exists when there is a shadow on the PV installation. In the pictures below, a situation in which, despite the total shade of the modules, the installation produces about 400 W. Such an anomaly occurs for most of the days I am analyzing. On some days it looks more correct (photo no. 3). I often make comparisons with large shading (about 8%) between systems with and without optimizers and the conclusions from each such comparison are that it is not worth paying more for the system e.g. SE because actually according to your program the differences are small in the annual yield. Please explain why the program is so optimistic about uneven shading of several or even all PV modules.
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