| Parameter | Constant Frequency | Variable Frequency | ||
| Triangular PWM | Inverted Sine PWM | Triangular PWM | Inverted Sine PWM | |
| V-THD | 12.76% | 18.27% | 8.69% | 10.02% |
| I-THD | 2.93% | 3.07% | 2.93% | 2.90% |