Abstract

Generally, photovoltaic were connected to the Maximum Power Point Tracker (MPPT) Controller to increase and maximize the output power of solar panels. But we know, that the output power of photovoltaic will be influenced by the amount of irradiance captured on the surface of the photovoltaic. The accurate measurement of irradiance value is an important point for evaluating and developing photovoltaic energy systems. This research shows how to estimate irradiance based on the maximum power point current of photovoltaic on the MPPT controller in real-time. This irradiance estimation is based on mathematical modeling of solar panels. This research shows that the estimated solar irradiation produced by measuring the maximum power point current has an average error 1.68% to the actual solar irradiation.

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