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To improve efficiency, PV system must operate on maximum power point (MPP) so necessary to determine it.
Thus, when a direct connection is carried out between the source and the load, the output of the PV module is seldom maximum value and the operating point is not optimal.
To overcome this problem, it is necessary to add an adaptation device, an MPPT controller with a DC/DC converter between the source and the load, Fig. 8 [8].
The characteristics of a PV system vary with temperature and irradiance, Fig. 3, 4, 5, 6. Therefore, an MPPT controller is also required to track the new modified maximum power point in its corresponding curve to arrange PV system operate at peak power point so that maximum power can be delivered to load. Whenever, a variation in temperature and/or irradiance occurs.
Thus, when a direct connection is carried out between the source and the load, the output of the PV module is seldom maximum value and the operating point is not optimal.
To overcome this problem, it is necessary to add an adaptation device, an MPPT controller with a DC/DC converter between the source and the load, Fig. 8 [8].
The characteristics of a PV system vary with temperature and irradiance, Fig. 3, 4, 5, 6. Therefore, an MPPT controller is also required to track the new modified maximum power point in its corresponding curve to arrange PV system operate at peak power point so that maximum power can be delivered to load. Whenever, a variation in temperature and/or irradiance occurs.
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