Are the rotor parameters referred to the stator or to the rotor of the DFIG?

Category:
Power Equipment Models
Answer

All parameters are referred to the stator, also the rotor impedances. In many data sheets, you find R2’ and X2’ being the rotor resistance and reactance in Ohm referred to the stator. In this case, you must divide theses values by the nominal Impedance (Zn=Un*Un/Sn).

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