Un-Answered Questions { Electrical Engineering }

Define coil span?

50


How to minimize the eddy current losses?

52


What is meant by short-pitched winding?

67


What are the advantages of autotransformer?

55


What is an ac motor?

54





Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?

60


What is a dc motor?

67


What is the slip speed?

51


On what principle electric motor works?

69


What are the advantages of stationary armature and rotating field system?

72





What are the advantages of the three-phase motor over single phase motor?

55


What are the advantages of skewing of cage rotor conductors?

55


What are the advantages and disadvantages of short-pitched winding?

59


What are the disadvantages of autotransformer?

59


What is meant by full pitched winding?

60