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The contribution of this paper has been focused on investigating a new microgrid architecture that integrates the electronic transformer (SST, the acronym Solid State Transformer) with microgrids system. The design of the converters required for implementation of the electronic transformer are dealt. The work to provide an infrastructure for creating an intelligent energy system, which will enable...
This article proposes the analysis of the quality of the power provided by two commercial photovoltaic inverters. Initially the inverters are analyzed based on the recent regulations, afterwards the equipment is compared based in the measurement of the distortion rates and power factor during the analyzing period.
Resumo - The usage of electrical energy generation with alternative sources is increasing significantly, due to the general concern about the environment and generation with nonrenewable sources. This fact encourages the development of technologies and new researches, to come up with solutions to allow the connection the new systems to the grid in a safe and trustable way. This work presents the project...
This paper discusses the application of a dual active bridge converter (DAB) as a bidirectional interface between the energy storage system and the main dc bus in a dc nanogrid. A novel control technique based on control loops competition is proposed to perform the energy management between both systems, which allows the dual active bridge to concomitantly regulate the main dc bus and control the...
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