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Cascaded multilevel inverters appear as a promising solution in the development of AC power supplies for renewable energy sources, particularly those with DC output. This paper addresses the development of a distributed generation system consisting of a multilevel inverter supplied by fuel cells and controlled by fuzzy logic. The proposed system operates in grid-connected as well as in stand alone...
In recent years, distributed generation (DG) and renewable energy source (RES) are attracting special attention to distribution systems. RES such as photovoltaic (PV) system is used as a source of clean energy. However, the large amount of distributed generation causes voltage deviation beyond a statutory range in distribution systems. This paper proposes a methodology for voltage control by using...
In this paper the authors present a multilevel inverter controlled by fuzzy logic. This system is particularly interesting when a number of distinct renewable energy DC sources, such as photovoltaic systems or fuel cells are available. After a description of the general system architecture and its controller, system performance are evaluated by means of simulations.
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