Research Article
A Method of Demarcating Critical Failure Impedance Boundary of Multi-Infeed HVDC Systems Based on Minimum Extinction Angle
Table 1
Parameter of the three-infeed HVDC system.
| | Subsystem | Rectifier bus | Inverter bus | Control mode | PDC (MW) | VDC (kV) | RDC (Ω) | XL (%) | β | K |
| | HVDC 1 | Bus 25 | Bus 18 | Constant-power | 200 | 500 | 7.854 | 15 | 38.4° | 1.0 | | HVDC 2 | Bus 29 | Bus 17 | Constant-power | 200 | 500 | 7.854 | 15 | 38.4° | 1.0 | | HVDC 3 | Bus 36 | Bus 13 | Constant-power | 200 | 500 | 7.854 | 15 | 38.4° | 1.0 |
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