Uninterruptable Hierarchical Distributed Coordinated Control Scheme of Islanded AC/DC Microgrid Clusters Under Grid-Forming Converter Faults. - Qian Xiao 001; Haolin Yu; Yu Jin 007; Hongjie Jia; Yunfei Mu; Yuwei Zhang; Wenbiao Lu; Remus Teodorescu; Josep M. Guerrero (IEEE Trans. Smart Grid, 2025)