MPPT Function

The main function of the MPPT controller is to detect the DC voltage and output current of the main circuit, calculate the output power of the solar array, and realize the tracking of the maximum power point. Disturbance resistance R and MOSFET are concatenated, and under the condition that the output voltage is basically stable, the average current passing through the resistor is changed by changing the duty of the MOSFET, thus generating a disturbance of the current. At the same time, the output current voltage of the photovoltaic cell will also change, by measuring the change of the output power and voltage of the photovoltaic cell before and after the disturbance, in order to determine the disturbance direction of the next cycle, when the disturbance direction is correct, the output power of the solar energy plate increases, the next cycle continues to disturb in the same direction, and vice Repeated disturbances and observations enable the output of solar photovoltaic panels to reach the maximum power point.