Transient Stability Enhancement of Multimachine Power System Using Robust and Novel Controller Based CSC-STATCOM

Table 2

CCT of disturbances for the test system stability with different shunt FACTS devices.

S. number	Type of disturbances	FACTS devices	Critical clearing time (CCT)
1	Fault condition	With SVC	285 ms
		With VSC-STATCOM	288 ms
		With CSC-STATCOM	325 ms
2	Heavy loading condition	With SVC	486 ms
		With VSC-STATCOM	489 ms
		With CSC-STATCOM	764 ms