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The continuous increased installation of solar photovoltaic (PV) systems have made possible the interest in their development, oriented to reach a high efficiency system. There are four traditional configurations of grid-connected PV systems depending of the size of the plant,each of them has different efficiency values due to the inherent associated problems. The large-scale PV plants have problems...
In this paper a control method for cascaded H-bridge multilevel converters for grid connection of photovoltaic systems is analyzed. The use of the multilevel converter introduces a series of advantages: improved power quality (lower current ripple), smaller filters, reduced switching frequency, no need of boost dc-dc stage and possible elimination of step-up transformer, all of which have a positive...
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