Damping of Low-Frequency Oscillations in a Power System, Based on Multiple-Model Optimal Control Strategy

Table 3

The performance index rotor speed under three-phase fault.

Control strategy	Peak (pu)	Valley (pu)	Rise time (s)	Settling time (s)
MMLOC	1.005	0.995	0.7	2
SMC	1.007	0.994	0.7	2
No control	1.007	0.993	0.7	>10