Table 1
Parameters of PMSG.
| Parameter | Unit | Value |
|---|---|---|
| Rated power of wind turbines PN | MW | 1.5 |
| Rated frequency of permanent magnet machine frN | Hz | 30 |
| Rated voltage of permanent magnet machine UmN | kV | 0.72 |
| Rotor flux linkage ψf | Wb | 3.1 |
| D-axis inductance of stator Lsd | mH | 1.832 |
| Q-axis inductance of stator Lsq | mH | 0.916 |
| Inertia time constant of rotorTj | s | 2 |
| Speed outer ring (kp1，ki1) | / | (5, 10) |
| Machine side inverter d-axis current inner loop (kp2，ki2) | / | (5, 1000) |
| Machine side inverter q-axis current inner loop (kp3，ki3) | / | (5, 1000) |
| Rated voltage of grid side inverter UN | kV | 0.62 |
| DC capacitor voltage udc | kV | 1.15 |
| DC capacitor C | F | 0.09 |
| Filter inductance of grid side inverter Lf | mH | 0.15 |
| DC voltage outer loop (kp4，ki4) | / | (10, 1000) |
| D-axis current inner loop of grid side converter (kp5，ki5) | / | (0.1, 50) |
| Q-axis current inner loop of grid side converter (kp6，ki6) | / | (0.9, 50) |
| Filter time constant Ts | s | 0.0011 |
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