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Nowadays renewable energies are in a period of growth, which favours the birth of numerous researches like, for example, this study about the analysis of the optimal location of a biomass power plant in the province of Granada (Spain). So, the study will be developed using Geographic Information System (GIS) and Multi-Criteria Evaluation (MCE) according to the Analytic Hierarchy Process (AHP). And the main target will be to determine the welcome capacity of the territory to this type of plants.

This work presents a simulation of Three-Phase Four-Wire Shunt Active Power Filter (SAPF) destined to suppress harmonic currents generated by nonlinear loads. The SAPF guarantee also the compensation for unbalanced nonlinear load currents, reactive power and harmonic neutral current. The identification method is based on the synchronous reference frame. In order to have good performances of DC voltage control, simplified Backstepping control for three-Phase four-Wire (SAPF) system is proposed. Complete simulation of the resultant active filtering system validates the efficiency of the proposed simplified Backstepping control law over to the traditional control with PI controller.

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