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Consider a Type 2 wind generator that has a 0.9 mΩ, 0.8 mΩ, and 0.06 mH...

Consider a Type 2 wind generator that has a 0.9 mΩ, 0.8 mΩ, and 0.06 mH stator and rotor resistances and leakage inductance, respectively (all are transferred to stator side). It has 4 poles and the frequency of the grid is 60 Hz.

a) Determine the acceptable range of the rotor speed (Nr)

b) If we want to increase the acceptable range of the rotor speed (Nr) by 20%, determine the value of the external resistance (RX)

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