Table 2 Comparison about 2 L + Tx, 3 L + Tx, MMC and MMC + ITx
Comparison | 2 L + Tx | 3 L + Tx | MMC | MMC + ITx |
|---|---|---|---|---|
Efficiency at rated power (%) | 97.70 | 96.91 | 99.23 | 98.42 |
THD at rated power (%) | 2.52 | 3.48 | 0.87 | 0.87 |
THD at rated power (%) | 4000 | 4000 | 40,000 | 40,000 |
Inductor Energy Storage (J) | 360 | 1050 | 45.5 | 45.5 |
Number of IGBTs | 6 | 12 | 432 | 432 |
Number of Diodes | 6 | 18 | 432 | 432 |
Number of Control Loops | 3 | 3 | 12 | 12 |
Number of Current Sensors | 3 | 3 | 6 | 6 |
Number of Voltage Sensors | 4 | 4 | 4 | 4 |
Fault Tolerance | No | No | Yes | Yes |