Page 338 - Power Electronics Handbook

328 D.C. link frequency changers

2DIT R.M.S. voltage as percentage of d.c. supply

1 3 5 7 9 11 13 15 Total

0 84.0 14.5 0 0 8.16 17.6 23.1 21.6 100
0.02 83.8 14.3 0 0 6.89 13.5 15.8 12.7 98.0
0.04 83.3 13.5 0 0 3.48 3.29 1.45 6.67 95.9
0.06 82.5 12.3 0 0 1.02 8.47 17.8 20.5 93.8
0.08 81.3 10.6 0 0 5.20 16.3 22.9 17.5 91.7
0.10 79.8 8.54 0 0 7.76 16.7 13.5 0.00 89.4
0.12 78.1 6.18 0 0 7.91 9.42 4.32 17.5 87.2
0.14 76.0 3.61 0 0 5.59 2.20 19.5 20.5 84.9
0.16 73.6 0.91 0 0 1.53 12.8 22.3 6.67 82.5
0.18 70.9 1.82 0 0 3.01 17.5 11.1 12.7 80.0
0.20 67.9 4.49 0 0 6.60 14.2 7.12 21.6 77.5
0.22 64.7 7.00 0 0 8.15 4.37 20.9 12.7 74.8
0.24 61.2 9.26 0 0 7.15 7.48 21.4 6.67 72.1
0.26 57.5 11.2 0 0 3.93 15.9 8.49 20.5 69.3
0.28 53.5 12.7 0 0 0.51 17.0 9.81 17.5 66.3
0.30 49.3 13.8 0 0 4.80 10.3 21.9 0.00 63.2
0.32 45.0 14.4 0 0 7.59 1.10 20.2 17.5 60.0
0.34 40.4 14.5 0 0 8.02 12.0 5.73 20.5 56.6
0.36 35.7 14.1 0 0 5.95 17.4 12.4 6.67 52.9
0.38 30.9 13.1 0 0 2.03 14.8 22.6 12.7 49.0
0.40 25.9 11.8 0 0 2.52 5.43 18.6 21.6 44.7
0.42 20.9 9.94 0 0 6.29 6.47 2.89 12.7 40.0
0.44 15.7 7.78 0 0 8.10 15.4 14.7 6.67 34.6
0.46 10.5 5.35 0 0 7.39 17.3 23.0 20.5 28.3
0.48 5.27 2.72 0 0 4.37 11.2 16.8 17.5 m.0
0.50 0.00 0.00 0 0 0.00 0.00 00.0 0.00 0.00

(b)
Figure 13.45 Pulse-width modulation with a square modulating wave and bi-directional
switching: (a) modulating waveforms; (b) output waveform