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  1. Andre

    METIO question

    Hi, According to the PVsyst model, the highest value of the voltage of an open circuit of a PV module is -10 C. When I select a temperature, for example, -20 C, this is the voltage of a lover than at -10C. In accordance with the technological tools of manufacturers of inverters (SMA or ABB), this voltage continues to increase at a lower temperature. I design PV systems in Ukraine, where winter temperatures can drop to -20 C. I'm confused. What data do I need to use when determining the number of modules in a row? :ugeek:
  2. Good evening! In what case we choose "inverter and transfo" option, and in what case - "from transfo to inverter"? Thanks in advance!!!
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