Research Article
Nonzero Staircase Modulation Scheme for Switching DC-DC Boost Converter
Table 6
Comparative analysis of different modulation schemes.
| | Modulation scheme | Rectified-triangular modulation scheme (RTMS) Figures 1(a)–1(c) [13, 19] | DC voltage compared with Sawtooth modulation scheme (DCVCSM) Figures 3(a)–3(c) [12] | DC voltage-triangular based modulation scheme (DCVTBM) Figures 4(a)–4(c) [16–18] | Zero potential compared sinewave modulation scheme (ZPCSMS) Figures 5(a)–5(c) [13, 17] | Nonzero staircase modulation scheme (proposed scheme) |
| | Nature of the firing signals | Irregular trains of pulses | Uniform trains of pulses | Uniform trains of pulses | Uniform trains of pulses | Two distinctive trains of pulses | | System power input (W) | 4800.00 | 4800.00 | 4800.00 | 4800.00 | 4800.00 | | System power output (W) | 2928.00 | 4006.00 | 4204.00 | 2229.00 | 4591.00 | | System power losses (W) | 1872.00 | 794.00 | 596.00 | 2571.00 | 209.00 | | System efficiency | 66% | 83% | 88% | 46% | 96% | | THD | 9.79% | 7.89% | 4.65% | 33.74% | 1.12% |
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