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Table 2 Comparative study of various controllers for case 1 & 2

From: Robust frequency control in a renewable penetrated power system: an adaptive fractional order-fuzzy approach

Controller

Case 1

Case 3 at T = 150 s

For a load disturbance

Wind power disturbance

Peak Under shoot (Hz)

Settling Time (sec)

Peak Over shoot (Hz)

Settling Time (sec)

Peak Overshoot

Settling Time (sec)

TLBO-PID

−0.0235

20

0.024

21

0.0115

18

FO-TLBO-PID

−0.021

16

0.021

16

0.01

14

Fuzzy-PID

−0.005

15

0.0045

15

0.0022

10

FO-Fuzzy-PID

−0.0025

11

0.0025

11

0.001

5

Adaptive FO-Fuzzy-PID

−0.001

5

0.001

5

0.0005

3