| Levels | Modulation Index | APOD PWM Method | IPD PWM Method | THD of RSCMLI with Multireference PWM Method (in %) | ||
| THD of RSCMLI (in %) | THD of CHBML (in %) | THD of RSCMLI (in %) | THD of CHBMLI (in %) | |||
| Five Level | 1 | 14.86 | 16.02 | 14.41 | 19.20 | 14.43 |
| 0.9 | 19.67 | 23.05 | 19.17 | 26.28 | 19.21 | |
| 0.8 | 23.34 | 26.01 | 22.05 | 31.26 | 22.11 | |
| Seven Level | 1 | 10.27 | 11.05 | 10.66 | 12.87 | 10.66 |
| 0.9 | 13.36 | 14.01 | 13.08 | 17.88 | 13.08 | |
| 0.8 | 13.42 | 18.77 | 14.18 | 18.25 | 14.18 | |
| Nine Level | 1 | 8.37 | 9.31 | 10.61 | 9.81 | 10.61 |
| 0.9 | 9.75 | 10.66 | 12.15 | 11.54 | 12.15 | |
| 0.8 | 9.54 | 9.71 | 10.14 | 10.50 | 10.15 | |
| Eleven Level | 1 | 7.38 | 7.50 | 7.84 | 8.09 | 7.85 |
| 0.9 | 8.05 | 8.10 | 8.08 | 10.44 | 8.09 | |
| 0.8 | 8.32 | 8.41 | 10.60 | 10.95 | 10.61 | |