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How To Make Robust A P&O MPPT Technique
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| Author(s) |
N. Femia, G. Petrone, G. Spagnuolo, M. Vitelli |
| Abstract |
In presence of rapidly changing atmospheric
conditions, the Perturb and Observe (P&O) maximum power
point tracking (MPPT) algorithm can be confused due to the
fact that it is not able to distinguish the variations of the
photovoltaic array output power caused by the duty cycle
modulation from those ones caused by the irradiance variation.
In this paper, it is shown that the negative effects associated to
such a drawback can be greatly reduced if the magnitude of the
duty-cycle perturbations is customized to the dynamic behavior
of the specific dc-dc converter adopted to realize the P&O
MPPT. As an example, a boost battery charger has been studied. |
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| Filename: | A12187 |
| Filesize: | 318.3 KB |
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| Type |
Members Only |
| Date |
Last modified 2006-02-17 by System |
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