Y. Sun, Y. Hao, X. Li, B. Ding, H. Li, and J. Guan, “The Frequency Regulation Control Method of Large-Scale Distributed Energy Storage Systems in the Smart Grid”, ELEKTRON ELEKTROTECH, vol. 30, no. 5, pp. 14–21, Oct. 2024, doi: 10.5755/j02.eie.38186.