The main objective of this work is the determination of the relationship between wind speed and optimum speed. In this paper we determine the mechanical energy captured from the wind turbine (WT) and transformed into electricity by permanent magnet synchronous generator (PMSG) connected to WT. We can determine, through simulation, the mechanical angular speed (MAS), ω OPTIM and optimum load resistance (R OPTIM ) for the PMSG where the energy is high, considering the wind speed variable over time. Keywords-wind system, inertial mechanical motion equation, mathematical models for wind turbine, permanent magnet synchronous generator, optimal angular speed, optimal load resistance

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The aim of this paper is to obtain t the electric accumulators (EA), for a wind sy time-variable wind speed. Mechanical energ wind turbine (VT) is converted into e permanent magnet synchronous genera synchronous generator provides energy accumulator, by using a rectifier, in two rectifier and controlled rectifier and ad simulations performed in this paper c differences between the two situations.

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