Module 4: Electrical Machines (Theory Questions)

WBUT/MAKAUT 10 Years (2008-2017) Theory Questions on Electrical Machines

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Same Questions have been repeated many times. Summerising them 

DC MACHINE

  • dc gen- emf equation, dc motor- torque equation.
  • principle of operation dc machine.
  • excitation system
  • speed control method
  • dc motor-speed torque characteristics, dc gen-occ

INDUCTION MOTOR

  • production of rotating mag field
  • self starting rotor
  • torque slip characteristics
  • equivalent ckt
  • condition for max torque
  • stator rotor parameters relation
  • speed control method 


Following are the Question that appeared in Semester Paper.

DC MACHINE


















INDUCTION MOTOR

















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