Table 3 Critical modes of closed loop power system for different number wide area control inputs(outputs of WRDC)
From: Reconfigurable control as actuator fault-tolerant control design for power oscillation damping
O/L | 1 I/P | 2 I/P | 3 I/P | 4 I/P |
ζ=.03 | ζ=.1 | ζ=.16 | ζ=.19 | ζ=0.22 |
f=.65(Hz) | f=1.2(Hz) | f=1.3(Hz) | f=.03(Hz) | f=0.03(Hz) |