Table 2 Controller gain values.

From: Reducing power ripple for multi-rotor wind energy systems using FOPDPI controllers

Controllers

Values

PI controller of MPPT technique

Kp = – 500,000 and Ki = – 36,000

DPC-PI

Ps

Kp = 0.538 and Ki = 1.834

Qs

Kp = 0.538 and Ki = 1.834

DPC-FOPDPI

Ps

Kp1 = 10,

Kp2 = 100,

Kd = 0.000002,

Ki = 1000, and α = 2.5

Qs

Kp1 = 10,

Kp2 = 100,

Kd = 0.000002,

Ki = 1000, and α = 2.2