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A grid-connected photovoltaic system, based on a sixth-order dc/dc converter with a non-linear compensation technique, is proposed. This solution addresses the main challenges in double-stage photovoltaic systems connected to the grid: increase the dc/dc stage voltage conversion ratio, reduce the photovoltaic voltage ripple, avoid electrolytic capacitances, and mitigate the effect of dc-link voltage...
This paper presents a mathematical procedure for modeling rectangular (N rows with M modules each) and non-rectangular photovoltaic (PV) arrays in Total Cross-Tied (TCT) configuration operating in uniform and mismatching conditions. The proposed model uses the simple single diode representation for each PV module; then each row of the TCT array is represented as an equivalent non-linear PV circuit...
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