From: Optimal design of proportional–integral controllers for stand-alone solid oxide fuel cell power plant using differential evolution algorithm
Type of disturbance
Duration/Instants of applications
Magnitude of disturbance
Step
5.0 s onwards
30 A
Pulse
5–15 s
Staircase
15–25 s
40 A
25–35 s
50 A
>35 s
0 A