Q) A 3-phase 440 V, 50 Hz induction motor has 4% slip. The frequency of rotor current will be

  • 200 Hz
  • 50 Hz
  • 2 Hz
  • 0.2 Hz
📖 Additional Information

The frequency of rotor current fr = s*f

F is the frequency of the supply current

S is the slip of the induction motor

fr = 50 X 4/100 = 2 Hz

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