This paper proposes and develops a novel maximum power point tracking (MPPT) approach. This method is designed to be applied to systems that are fed with a photovoltaic (PV) generator. It is based on the bijectivity of the PV generator characteristic; as if the optimal current is reached, this means that the Vpv generator is obligatory at its optimal value leading to an optimal power. Based on this principle, as maximum power is obtained either based on the Ipv current control or the Vpv voltage control. In this paper, the MPPT algorithm is based only on the Ipv current control. The proposed MPPT algorithm is implemented on a dSpace DS1104 controller board. To demonstrate the efficiency and the validity of the developed algorithm in real time, an experimental setup around a buck converter and a resistive load is successfully implemented and experimentally studied. Obtained experimental results prove the validity of the proposed MPPT algorithm.


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    Title :

    A real time implementation of an improved MPPT controller for photovoltaic systems


    Contributors:


    Publication date :

    2012-03-01


    Size :

    1218706 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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