Skip to main content

Table 3 Comparative study of DG current controllers for harmonic mitigation

From: Grid power quality enhancement using an ANFIS optimized PI controller for DG

Harmonic mitigation

Grid voltage distortion Vg

Local nonlinear load il

Compensated grid current ig

PI

PI-RC

Fuzzy

ANFIS-PI optimized

Case-1 (THD-%)

–

–

1.57

1.57

1.57

1.57

Case-2 (THD-%)

–

54.74

11.9

1.76

1.35

1.35

Case-3 (THD-%)

4.82

54.74

18.6

1.85

1.35

1.35

Case-4 (THD-%)

24.91

61.35

22.6

25.2

12.4

4.5