the National Natural Science Foundation of China(NSFC)(No.51977019);in part by the Joint Research Fund in Smart Grid under Cooperative Agreement between the National Natural Science Foundation of China(NSFC)(No.U1966208);State Grid Corporation of China(SGCC).
In multi-fed grid-connected systems,there are complex dynamic interactions between different pieces of equipment.Particularly in situations of weak-grid faults,the dynamic coupling between equipment becomes more prono...