Abstract

In this paper we analyze, by measuring the wind speed, the possibility of operating a Wind Power System (WPS) so that the kinetic energy captured from the wind and transformed into electric energy is maximized. This problem is complex and difficult to solve under conditions where the wind speed may vary significantly over time, and WPS's inertia is high. The Wind Turbine (WT) takes the oscillating wind power and transfers it to the Permanent Magnet Synchronous Generator (PMSG) via the gearbox. Based on the mathematical model of WT (WT-MM), it is known, for a wind speed value, the optimum value of the rotor angular velocity (in [rad/s] in terms of energy. Changing the PMSG load can bring WPS to the optimal angular speed. The simulation is done by solving the equation for WPS rotation. The angular velocity, wind speed and electric energy flow rate is measured by the PMSG, the degree of charge of the generator is determined so that the operation is in the optimal range.

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