Table 1 Parameters of large-scale wind farm based DFIG
From: Design of robust intelligent protection technique for large-scale grid-connected wind farm
Parameters of DFIG | |
Generator rated power (MW) | 2 |
Generator rated voltage (V) | 690 |
Resistance of the rotor (pu) | 0.005 |
Leakage inductance of the rotor (pu) | 0.155 |
Resistance of the stator (pu) | 0.00706 |
Leakage inductance of the stator (pu) | 0.1709 |
Mutual inductance (pu) | 2.9 |
Lumped Inertia Constant (s) | 5.04 |
Frequency (Hz) | 60 |
The parameters of the power transmission line (25 kV) | |
Zero sequence resistance (Ω/km) | 0.4129 |
Positive sequence resistance (Ω /km) | 0.11529 |
Zero sequence inductance (H/km) | 0.00331 |
Positive sequence inductance (H/km) | 0.001049 |
Zero sequence capacitance (F/km) | 5.01e-9 |
Positive sequence capacitance (F/km) | 11.329e-9 |
Internal feeders (Z 1 , Z 2 , ……, Z 6 ) parameters | |
Zero sequence resistance (Ω /km) | 0.3963 |
Positive sequence resistance (Ω /km) | 0.1153 |
Zero sequence inductance (H/km) | 0.00273 |
Positive sequence inductance (H/km) | 0.00105 |
Wind turbine transformer parameters | |
Voltage ratio (kV) | 0.69/25 |
Resistance (pu) | 0.0081 |
Reactance (pu) | 0.0453 |
PCC bus transformer parameters | |
Voltage ratio (kV) | 25/220 |
Resistance (pu) | 0.0051 |
Reactance (pu) | 0.065 |