Table 13 Study of the change in the amplitude value of the fundamental (50 Hz) and THD for both techniques (first and third tests).

From: Power regulation of variable speed multi rotor wind systems using fuzzy cascaded control

 

Strategies

DPC-PI strategy

CFPC-PWM technique

THD (%)

Test 1

0.28

0.21

Test 3

1.08

0.57

Test 3—Test 1

0.80

0.36

Ratios

74.07%

63.15%

Amplitude value of the fundamental (A)

Test 1

389.50

389.80

Test 3

2463

2424

Test 3—Test 1

2073.49

2034.20

Ratios

84.18%

83.91%