Research Article

Evaluation of Harmonic Content from a Tap Transformer Based Grid Connection System for Wind Power

Figure 9

FFT of phase A at nominal power. (a) Case 1. (b) Case 2. (c) Experimental. We see that there are more low order harmonics in the Case 2 simulation than in Case 1. The occurrence is presented as percent of the first harmonic, that is, .
190573.fig.009a
(a)
190573.fig.009b
(b)
190573.fig.009c
(c)