cRITICAL clearing time (CCT) is the maximum permissible duration of a fault [1]. If the fault is cleared before the CCT, the system remains transiently stable; otherwise it loses stability
cRITICAL clearing time (CCT) is the maximum permissible duration of a fault [1]. If the fault is clearedbefore the CCT, the system remains transiently stable; otherwise it loses stability