Research Article
Fault Characteristics and Control Strategies of Multiterminal High Voltage Direct Current Transmission Based on Modular Multilevel Converter
Table 2
Simulation parameters of three-terminal MMC-HVDC system.
| Parameters | Value |
| Rated capacity of AC grid | 300 MVA | Rated capacity of wind farm 1 | 100 MVA | Rated capacity of wind farm 2 | 200 MVA | Transformer ratio of MMC1 () | 220 kV/150 kV | Transformer ratio of MMC1 () | 110 kV/150 kV | Transformer ratio of MMC1 () | 110 kV/150 kV | Voltage of DC bus | ±150 kV | Number of submodules of bridge arm | 4 | Control mode of MMC1 | | Control mode of MMC2 | | Control mode of MMC3 | | Modulation strategy | Carrier phase-shifted modulation | Capacitor voltage balancing strategy | Capacitor voltage sort |
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