Table 6 Comparison before and after filtering
From: Harmonic control method for multiple driving cycles of EMU based on improved C-type filter
Condition category | THDi/THDu | THDi/THDu | THDi/THDu |
|---|---|---|---|
No filter | Used C type | Optimization | |
1 | 1.34/3.31 | 1.21/2.68 | 1.01/2.17 |
2 | 4.51/2.34 | 3.11/1.11 | 1.77/0.73 |
3 | 6.68/2.24 | 4.56/2.02 | 2.34/1.45 |
4 | 5.01/1.84 | 3.48/1.75 | 2.26/1.29 |
5 | 4.83/1.91 | 3.15/1.17 | 1.64/0.65 |
6 | 1.61/2.81 | 1.45/2.27 | 1.06/1.92 |