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A fuzzy PD-PI control strategy to track the voltage references of photovoltaic arrays | IEEE Conference Publication | IEEE Xplore

A fuzzy PD-PI control strategy to track the voltage references of photovoltaic arrays


Abstract:

In this paper, a fuzzy PD plus a PI controller structure for a photovoltaic PV system is presented. The controller tracks a voltage reference given by the perturb and obs...Show More

Abstract:

In this paper, a fuzzy PD plus a PI controller structure for a photovoltaic PV system is presented. The controller tracks a voltage reference given by the perturb and observe P&O maximum power point tracking (MPPT) algorithm. The main drawback of the P&O MPPT algorithm is that at steady state the operating point oscillates around the maximum power point (MPP). The feedback control law proposed in this paper to track the references for a PV array connected to a DC-DC converter improves the P&O MPPT performance. Simulations under different environment conditions are provided to confirm the efficiency of the proposed approach.
Date of Conference: 19-21 December 2011
Date Added to IEEE Xplore: 26 January 2012
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Conference Location: Santiago, Chile

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