**Acknowledgements**

*A*=Turbine rotor area

*Cp* =Power Coefficient

*υ<sup>w</sup>* =Wind speed

62 Advances in Wind Power

*θpitch* =Pitch angle

J = Inertia

*Te* =Electrical torque

*Tm* =Mechanical torque

*ω<sup>m</sup>* =Mechanical speed

*C* =Drag coefficient

*ν* =Gear box ration

*Rs* = Stator resistance

*L <sup>s</sup>* = Stator inductance

*L <sup>m</sup>* = Mutual inductance

*<sup>r</sup>* = Rotor inductance

*<sup>r</sup>* = Rotor resistance

*λr*,*<sup>s</sup>* =Rotor and stator flux

*<sup>r</sup>*,*<sup>s</sup>* =Rotor and stator current

*vr*,*<sup>s</sup>* =Rotor and stator voltage

theory and model of the author.

**11. Future Work**

*Kr*,*<sup>s</sup>* =Rotor and stator park transformation in synchronous reference frame

The new simulation of induction generator will be tested by new innovative rain turbine

*p* =Pole pairs

*κ* =Stiffness

*R* =Blade radius

*L* ′

*R* ′

*i*

I appreciate Dr. Oriol Gomis Bellmunt for conceptualization, Discussions and new informa‐ tion and Dr. Andreas Sumper for discussions about first part of chapter, with special thanks to Dr. Joaquin Pedra for checking reference frame and starting point in new simulation of induction machine.
