Rotor current frequency = Fractional slip × ______

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SSC JE Electrical 06 Jun 2024 Shift 2 Official Paper - 1
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  1. Supply frequency
  2. Rotor speed
  3. No. of poles
  4. EMF

Answer (Detailed Solution Below)

Option 1 : Supply frequency
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Detailed Solution

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Slip in Induction Motor (s):

\(s=\frac{N_s\ -\ N_r}{N_s}\)   ---(1)

Where,

Ns is the stator frequency

Nr is the rotor frequency

Also, fr = s fs     ---(2)

Where,

fr is the rotor frequency

fis the supply frequency

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