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Multi-input small-power Renewable Energy supply system realized by special power electronics

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3 Author(s)
Helmut H. Weiss ; Technical University of Graz, Austria ; Kayhan Ince ; Gennady St. Zinoviev

Renewable energy development of today has a tendency towards still increasing power ratings for grid-connected systems. Substitute energy plants in case of lacking renewable instantaneous power are not directly considered because of grid connection. Stand-alone applications require well defined concepts for continuous energy supply providing a good balance between various energy sources and their capabilities and load requirements. Stand alone supplies of small power ratings cover local demands, e.g. one house or a small village in remote location. Multiple inputs for renewable energy are proposed in combination with high-efficiency power electronics for optimum power input into a DC bar directly connected to a battery. All loads are connected to this floating battery voltage DC bar either directly or via additional converters.

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Date of Conference:

18-23 May 2009