Research Article

A Method of Demarcating Critical Failure Impedance Boundary of Multi-Infeed HVDC Systems Based on Minimum Extinction Angle

Table 3

Parameters of the three-infeed HVDC system.

SubsystemRectifier busInverter busControl modePDC (MW)VDC (kV)RDC (Ω)XL (%)β (°)

HVDC 1Bus 77Bus 41Constant-power8005258.201536.8
HVDC 2Bus 25Bus 47Constant-power8005258.201536.8
HVDC 3Bus 65Bus 54Constant-power8005258.201536.8