Table 3 Parameters of studied system
Parameters | Values |
|---|---|
The parameters of DFIG | |
Rated voltage (V) | 575 |
Rated power (MW) | 1.5 |
Rated frequency (Hz) | 60 |
Rotor resistance (pu) | 0.0050 |
Stator resistance (pu) | 0.00706 |
Mutual inductance (pu) | 2.9 |
Rotor leakage inductance (pu) | 0.156 |
Stator leakage inductance (pu) | 0.171 |
The parameters of transmission line | |
Zero sequence resistance (Ω/km) | 0.4131 |
Positive sequence resistance (Ω /km) | 0.1154 |
Zero sequence capacitance (F/km) | 5.02e-9 |
Positive sequence capacitance (F/km) | 11.33e-9 |
Zero sequence inductance (H/km) | 0.00331 |
Positive sequence inductance (H/km) | 0.00105 |
The parameters of transformer (T1) | |
Turns ratio | 575 V/25 kV |
Impedance (pu) | 0.0017 + j0.05 |
The parameters of transformer (T2) | |
Turns ratio | 25 kV/220 kV |
Impedance (pu) | 0.00534 + j0.16 |
The parameters of grid | |
Impedance (pu) | 0.0004 + j0.004 |