Table 3 Optimum gains of suggested FOFPID regulator.

From: SSO optimized FOFPID regulator design for performance enhancement of doubly fed induction generator based wind turbine system

Optimization method

Optimal FOFPID regulator gains

ITAE

µ

Kp

Ki

Kd

Ku

BAT59

0.30

0.59

11.25

0.13

11.40

7.05

PSO60

0.42

0.68

14.38

0.26

9.04

582.48

ACO43

0.37

0.63

13.05

0.22

10.65

9.35

BFO61

0.31

0.61

12.57

0.18

10.88

1.63

SSO

0.26

0.549

10.66

0.21

10.67

0.00011

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