From: Fault ride-through capability improvement in a DFIG-based wind turbine using modified ADRC
Parameters | Numerical values | Parameters | Numerical values | Parameters | Numerical values |
---|---|---|---|---|---|
Frequency of the stator (Hz) | 50 | Moment of inertia (Kg.m2) | 127 | Fractional-order | 0.9 |
Rated power of the stator (MW) | 2 | Damping coefficient | 0.001 | ||
Rated rotational speed (rpm) | 1500 | Switching frequency of the converter (kHz) | 2 | k1d and k1q | 0.9 |
Rated voltage of the stator (V) | 690 | Sampling period (μs) | 50 | k2d and k2q | 1.1 |
Rated current of the stator (A) | 1760 | Gearbox ratio | 100 | α for falarcsinh (NLSEF and NFESO) | 0.001 |
Rated electromagnetic torque (N.m) | 12,732 | Turbine blade radius (m) | 42 | δ for falarcsinh (NLSEF and NFESO) | 0.01 |
Pairs of poles | 2 | Density of air (kg/m3) | 1.225 | α for falarctan (NLSEF and NFESO) | 0.001 |
Ratio of the stator turns to the rotor turns | 1/3 | Capacitance of the DC-link (mF) | 80 | δ for falarctan (NLSEF and NFESO) | 0.002 |
Rated rotor voltage (V) | 2070 | Resistance of the grid side filter (μΩ) | 20 | α for faltanh (NLSEF and NFESO) | 0.001 |
Stator resistance (mΩ) | 2.6 | Inductance of the grid side filter (μH) | 400 | δ for faltanh (NLSEF and NFESO) | 0.0011 |
Stator and rotor leakage inductance (mH) | 0.087 | r (FTD of d-axis) | 1.5 \(\times\) 106 | α for default fal (NLSEF) | 1 |
Magnetizing inductance (mH) | 2.5 | r (FTD of q-axis) | 5 \(\times\) 107 | α for default fal (NFESO) | 0.5 & 0.25 |
Resistance of the rotor referred to the stator (mΩ) | 2.9 | ||||
DC-link voltage referred to the stator (V) | 1150 | Approximation order of the fractional calculus | 1 | δ for default fal (NLSEF and NFESO) | 0.01 |