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MINA INSTITUTE OF ENGINEERING & TECHNOLOGY FOR WOMEN MIRYALAGUD

11 BTECH  11 -SEM I-MID EXAMINATION

BRANCH: EEE                                                                                                                                       

 

SUBJECT : EM-2

TIME:  2Hrs                                                                                                                           MAX MARKS:20M

 

Answer Any  FOUR  of the following                                                                         4*5=10

 

  1. Explain the constructional details of cage and wound rotor in induction machines?

                 

  1. Explain how rotating magnetic field(RMF) produced in 3-phase induction motor?

 

  1. Derive the torque equation of a 3-phase induction motor?

 

  1. Explain working of Shaded pole induction motor ?

 

  1. Explain double revolving field theory of  single phase induction motor ?

 

  1. Discuss why single phase induction motor is not self starting?