Strona: Publikacja w Energies / Politechnika Rzeszowska

Publikacja w Energies

, red.  Bartosz Kowal
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W ramach zadania nr 5 został opublikowany artykuł pt. Optimal Control of a Doubly Fed Induction Generator of a Wind Turbine in Island Grid Operation w czasopiśmie MDPI Energies.

Gołębiowski, L.; Gołębiowski, M.; Kwiatkowski, B. Optimal Control of a Doubly Fed Induction Generator of a Wind Turbine in Island Grid Operation. Energies 2021, 14, 7883.


Great significance is given to the use of energy from renewable sources, especially in industrial and municipal applications. The present article is devoted to the optimal control of a DFIG generator with the help of a rotor-side converter (RSC). Its aim is to ensure the delivery of the voltage of a three-phase network with appropriate parameters while operating in an islanded grid. Such a grid is usually characterized by an uneven loading of each phase. Additionally, the load of these phases changes randomly in time. In order to ensure the assumed parameters of line voltages, the optimal control is applied with a square cost function. This ensures the shape of voltage that is in accordance with the referential voltage. Moreover, higher harmonics with a given number are detected and reduced. The simulations that were executed confirm compliance with the conditions of the parameters of the output voltage in the islanded grid. Attention was paid to oscillations in the power flowing through the rotor-side converter (RSC). The methods to accelerate the suppression of these oscillations are presented.

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