Research on Virtual Power Plant Combined with Energy Storage System Participating in AGC Frequency Regulation Technology - Cao, Liang; Gu, Jun; Wang, Xuan; Cui, Yong (2024 Boao New Power System International Forum - Power System and New Energy Technology Innovation Forum (NPSIF), Power System and New Energy Technology Innovation Forum (NPSIF), 2024 Boao New Power System International Forum -, 2024)