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The Energy Systems Research Unit (ESRU) within Strathclyde's Department of Mechanical and Aerospace Engineering is producing Open Access research that can help society deploy and optimise renewable energy systems, such as wind turbine technology.

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Power converters for use in stand-alone renewable-energy systems incorporating hydrogen storage

Little, M. and Thomson, M. and Infield, D.G. (2004) Power converters for use in stand-alone renewable-energy systems incorporating hydrogen storage. In: 39th International Universities Power Engineering Conference (UPEC 2004), 2004-09-06 - 2004-09-08.

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Abstract

A stand-alone renewable-energy system employing a hydrogen-based energy store is under development. In order to interconnect the various generators, loads and a storage system, a central DC bus bar has been proposed. The rotating generators, such as the wind turbines, are connected through standard industrial drives operating in regenerative mode. The DC devices: electrolyser, fuel cell and solar photovoltaic (PV) array, require custom DC-DC converters to connect to the central bus bar. In this paper, a review of the various converters required for the interconnection of such a system is presented. The practicalities of implementing such a system and, in particular, the DC-DC converters are discussed.