Zhang, Feng; Xu, Zhao; Meng, Ke: 'Optimal sizing of substation-scale energy storage station considering seasonal variations in wind energy', IET Generation, Transmission & Distribution, 2016, 10, (13), p. 3241-3250, DOI: 10.1049/iet-gtd.2016.0012 IET Digital Library, https://digital-library.theiet.org/;jsessionid=1hf4is3p3exlr.x-iet-live-01content/journals/10.1049/iet-gtd.2016.0012