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a 3-phase slip ring induction motor gives a reading of 60volts,across a slip ring of open circuit. When at rest with normal statervoltage applied, the rotor is star connected and has an impedanceof (0.6+6j)Ω per phase. Find the rotor current when the machines is
(i) At standstill with sliprings joined to a star connected starterwith phase impedance of (5+4j)Ω.
(ii) Running normally with 4% slip.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M9870790

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