Page 332 - Power Electronics Handbook

322 D.C. link frequency changers

Tabk 13.9 Harmonic content of a slue modulated mWectbd wave withfTlfs = 4

AslAr R.M.S. voltage as percentage of d.c. supply
~~ ~
1 3 5 7 9 11 13 15 Total
0 0 0 0 0 0 0 0 0 0
0.1 9.93 9.77 9.46 8.99 8.40 7.69 6.88 6.00 26.5
0.2 16.6 15.9 14.4 12.4 9.97 7.32 4.64 2.14 34.4
0.3 23.2 21.1 17.4 12.5 7.18 2.26 1.65 4.13 40.7
0.4 29.6 25.4 17.9 9.19 1.25 4.24 6.48 5.68 46.2
0.5 33.9 27.5 16.9 5.54 3.19 7.27 6.60 2.87 49.5
0.6 40.0 29.5 13.4 1.02 8.41 7.66 2.01 3.52 54.2
0.7 44.0 30.0 10.0 5.36 9.91 5.05 2.41 5.90 57.0
0.8 47.9 29.8 6.01 9.03 9.44 0.95 5.85 5.13 59.7
0.9 51.6 29.0 1.63 11.6 7.08 3.44 6.92 1.61 62.3
0.98 53.4 28.3 0.62 12.4 5.33 5.33 6.38 0.62 63.6

Table 13.10 Iivmoaie eontcnt of a he modd&d unfdirectlonrl wave withjT/fs = 6

AdAT R.M.S. voltage os percentage of d.c. supply
1 3 5 7 9 11 13 15 Total

0 0 0 0 0 0 0 0 0 0
0.1 6.98 0.29 7.20 6.57 0.84 7.20 5.98 1.32 24.0
0.2 14.7 0.60 14.7 13.1 1.60 13.1 10.2 2.09 34.8
0.3 21.2 0.25 19.9 18.0 0.59 14.4 11.4 0.55 41.7
0.4 27.8 0.45 23.9 21.5 0.88 12.7 9.08 0.39 47.7
0.5 34.3 1.46 26.7 23.4 2.17 8.47 3.59 0.38 52.9
0.6 40.8 2.74 28.1 23.1 2.72 3.07 3.48 2.69 57.7
0.7 48.8 5.52 27.2 20.4 2.22 2.73 10.9 6.50 63.0
0.8 55.4 7.28 25.7 15.6 0.32 5.67 13.7 6.41 67.1
0.9 60.8 10.4 22.5 10.8 3.59 5.06 12.6 4.51 70.2
0.98 66.3 13.6 18.7 5.12 7.86 2.74 8.82 0.21 73.1

As/& R.M.S. voltage os percentage of d.c. supply
1 3 5 7 9 11 13 15 Total

0 0 0 0 0 0 0 0 0 0
0.1 7.26 0.28 0.24 0.88 7.53 6.70 0.43 0.68 25.0
0.2 13.6 0.54 0.12 0.11 13.7 12.3 1.48 0.29 34.6
0.3 20.8 0.95 0.18 0.12 19.9 17.4 2.72 0.27 42.8
0.4 27.5 0.49 0.57 0.02 24.1 21.2 3.63 0.92 49.1
0.5 34.7 0.98 0.69 0.80 27.7 23.0 5.70 0.66 55.2
0.6 42.1 0.60 0.35 3.67 27.8 24.7 6.21 1.17 60.7
0.7 48.9 0.17 0.93 4.90 27.0 23.2 8.51 2.16 65.2
0.8 55.9 1.31 0.91 8.17 24.9 20.8 9.71 2.89 69.9
0.9 62.5 1.43 1.57 11.0 20.7 17.5 10.5 4.11 73.9
0.98 68.5 0.93 1.57 13.4 16.6 12.7 11.9 4.70 n.3