Bevrani Hassan, 2014, Robust Power System Frequency Control, 2nd ed. New York, Springer, Boston, MA

Lalor G., Mullane A., O’Malley M., 2005, Frequency control and wind turbine technologies, IEEE Trans. Power Syst., Vol. 20, No. 4, pp. 1905-1913

Fagan E. , Grimes S. , McArdle J. , Smith P. , Stronge M. , 2005, Grid code provisions for wind generators in Ireland, IEEE PES General Meeting,, Vol. 2, No. , pp. 1241-1247

EirGrid, 2008, Controllable wind farm power station grid code provisions, EirGrid (Ireland) Grid Code, ver. 3.1

Francisco Díaz-González, Fernando D. Bianchi, Andreas Sumper, Oriol Gomis-Bellmunt, Mar 2014, Control of a flywheel energy storage system for power smoothing in wind power plants, IEEE Trans. Energy Convers., Vol. 29, No. 1, pp. 204-214

J. Pegueroles-Queralt, F. D. Bianchi, O. Gomis- Bellmunt, 2015, A power smoothing system based on supercapacitors for renewable distributed generation, IEEE Trans. Ind. Electron., Vol. 62, No. 1, pp. 343-350

Li X. , Hui D., Lai X. , 2013, Battery Energy Storage Station (BESS)-Based Smoothing Control of Photovoltaic (PV) and Wind Power Generation Fluctuations, IEEE Trans. Sustain. Energy, Vol. 4, No. 2, pp. 464-473

I. D. Margaris, S. A. Papathanassiou, N. D. Hatziargyriou, A. D. Hansen, P. Sorensen, 2012, Frequency control in autonomous power systems with high wind power penetration, IEEE Trans. Sustain. Energy, Vol. 3, No. 2, pp. 189-199

M. Wang-hansen, R. Josefsson, H. Mehmendovic, 2013, Frequency controlling wind power modeling of control strategies, IEEE Trans. Sustain. Energy, Vol. 4, No. 4, pp. 954-959

Kim Y., Kang M. , Muljadi E. , Park J. W., Kang Y. C. , 2017, Power smoothing of a variable-speed wind turbine generator in association with the rotor speed–dependent gain, IEEE Trans. Sustain. Energy, Vol. 8, No. 3, pp. 990-999

A. M. Howlader, N. Urasaki, A. Yona, T. Senjyu, A. Y. Saber, 2013, A review of output power smoothing methods for wind energy conversion systems, Renew. Sustain. Energy Rev., Vol. 26, No. , pp. 135-146

Byerly R. T. , Aanstad O. , Berry D. H. , Dunlop R. D. , Ewart D. N. , Fox B. M. , Johnson L. H. , Tschappat D. W. , 1973, Dynamic models for steam and hydro turbines in power system studies, IEEE Trans. Power App. Syst., Vol. PAS-92, No. 6, pp. 1904-1915

T. Ackermann, 2012, Overview of Integration Studies–Methodologies and Results, in Wind Power in Power Systems, 2nd ed., England: John Wiley & Sons, Ltd.