Table 5 Study of the effect of the amplitude value of fundamental signal (50 Hz) and THD value between the first and second tests for the two approaches.
From: Reducing power ripple for multi-rotor wind energy systems using FOPDPI controllers
DPC-PI | DPC-FOPDPI-PWM | ||
|---|---|---|---|
THD(%) | Test 1 | 0.71 | 0.47 |
Test 2 | 1.29 | 0.84 | |
Test 2–Test 1 | + 0.58 | + 0.37 | |
Ratios (%) | 44.96 | 44.05 | |
Amplitude of fundamental signal (50 Hz) | Test 1 | 462.80 | 462.70 |
Test 2 | 474.90 | 474.90 | |
Test 2–Test 1 | + 12.10 | + 12.20 | |
Ratios (%) | 2.55 | 2.57 | |
