Table 5 The MMC valve loss composition and loss rate
From: Loss distribution analysis and accurate calculation method for bulk-power MMC
Loss type | HBMMC | FBMMC | CDMMC |
|---|---|---|---|
Off-state loss (kW) | 72 | 144 | 108 |
Conduction loss (kW) | 4833 | 9665 | 7817 |
Switching loss (kW) Traditional/LSF1/LSF2 | 6981/929/997 | 6981/929/997 | 6981/929/997 |
Energy storage capacitor loss (kW) | 1.4 | 1.4 | 1.4 |
Arm inductor loss (kW) | 11 | 11 | 11 |
Constant power load loss (kW) | 112 | 112 | 56 |
Total loss rate (%) | 1.20/0.59/0.60 | 1.69/1.08/1.09 | 1.49/0.89/0.90 |