Table 1 Parameters of the machine.
Parameters | Value |
|---|---|
Dual-rotor machine | |
Rated speed \({n_N}\) | 575 r/min |
Rated power PN | 48 kW |
Synchronous speed \({n_0}\) | 375 r/min |
Inner rotor resistance \({R_{in}}\) | 0.013 Ω |
Inner rotor inductance \({L_d}={L_q}\) | 0.0002 H |
Permanent magnet flux of outer rotor \({\lambda _f}\) | 0.03 Wb |
Inertia of outer rotor \({J_{out}}\) | 0.1 kgm2 |
Inner rotor inertia \({J_{in}}\) | 0.1 kgm2 |
Pole pairs p | 8 |
Wind turbine | |
Synchronous wind speed \({v_0}\) | 8.3 m/s |
Optimal tip speed ratio λopt | 9 |
Impeller radius R | 5.6 m |
Wind Turbine Airfoils \({C_{p\hbox{max} }}\) | 0.48 |
