Table 11 Study of the effect of the amplitude value of fundamental signal (50 Hz) and THD value between the fourth and fifth tests for the two techniques.
From: Reducing power ripple for multi-rotor wind energy systems using FOPDPI controllers
DPC-FOPDPI-PWM | DPC-PI | ||
---|---|---|---|
THD (%) | Test 4 | 0.93 | 1.49 |
Test 5 | 0.14 | 0.21 | |
Test 5–Test 4 | − 0.79 | − 1.28 | |
Ratios (%) | − 84.95 | − 85.1 | |
Amplitude of fundamental signal (50 Hz) | Test 4 | 210.30 | 210.40 |
Test 5 | 1676 | 1676 | |
Test 5–Test 4 | + 1465.70 | + 1465.6 | |
Ratios (%) | 87.45 | 87.45 |