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Recent advances in power electronic technology for interfacing dispersed energy resources to distribution grids offer potential solutions to several technical and economical problems in distribution networks. In particular, Dispersed Generation (DG) can be used to provide the usual energy service as well as some ancillary services, such as load following, back-up service, and compensation of Power...
In this paper, the problem of the use of dispersed generation (DG) for providing ancillary services in electrical distribution systems is addressed. Fuel cell-based, photovoltaic cell-based, and wind generation systems are connected to the distribution network through power electronic interfaces, each with a proper storage system for the optimal grid operation. Thanks also to the storage system, the...
Recent improvements and advances in power electronic technology offer potential solutions to several technical and economical problems associated with distribution networks. In particular, dispersed generation (DG) units that use this technology can provide both energy and ancillary services. In this paper, a selected number of DG units (in particular, fuel cells and photovoltaic cell-based systems),...
The paper deals with the power converter to be used in realising small scale generation units of electric and thermal energy. Polymeric fuel cells supplied with hydrogen obtained with natural gas reforming are considered as the most adequate fuel cell type for low and medium size applications. The complete structure of multistage converters is presented together with proper modelling of fuel cell...
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