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This paper explores the structure, use, and value of microgrids as a device to better integrate into the electrical grid small quantities of local, distributed power generated from renewable resources like solar and wind. The paper describes the evolution of microgrids, their potential benefits, their design and structure, and their overall value in moving electricity generation toward a more sustainable...
There exists in Argentina a growing interest in alternative energy sources such as wind and solar energy for water pumping in remote areas. In this context, the main objective of the paper is to present and evaluate a configuration for an autonomous wind energy conversion system oriented to water pumping. It consists of a wind turbine with a wound rotor generator, electrically coupled with a squirrel...
In this paper a DC power plant for base transceiver station power supply is investigated. The supply system employs clean alternative energy sources, namely photovoltaic (PV) modules, wind turbines, a fuel cell as backup generator and a storage battery bank. A detailed description is made and experimental data are shown of a prototype system where the PV modules are directly connected to the DC bus...
A microgrid supply/demand control system is proposed. In this control system, operation planning is realized based on generation and load forecasting by using artificial neural network and fuzzy systems. Unit commitment of generation includes start/stop of power generation and energy storage. Load following function is accomplished based on PI control scheme. To compensate for the power fluctuation...
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