Shabestari, Parisa M.Mehrizi-Sani, Ali2020-09-282020-09-282020-09-14Shabestari, P.M.; Mehrizi-Sani, A. Frequency Response Improvement of PMSG Wind Turbines Using a Washout Filter. Energies 2020, 13, 4797.http://hdl.handle.net/10919/100087High integration of renewable energy resources, such as wind turbines, to the power grid decreases the power system inertia. To improve the frequency response of a low-inertia system, virtual inertia approach can be used. This letter proposes a control method to decrease the frequency transients and restore frequency to its nominal value. A wind turbine usually works based on maximum power point tracking (MPPT) curves to achieve the maximum power. In this letter, the proposed controller uses a non-MPPT method to leave power for frequency regulation during transients. Moreover, it uses a washout filter-based method to remove the steady-state error in the frequency. Simulation results in the PSCAD environment validate the improved performance of the proposed method during load changes by comparing it with the MPPT and non-MPPT methods.application/pdfenCreative Commons Attribution 4.0 InternationalControlfrequency regulationinertia supportPMSG wind turbinewashout filterArticle - Refereed2020-09-25https://doi.org/10.3390/en13184797