Question

1.In an induction motor, is the rotor connected to the three-phase incoming power? 2.Is the rotor speed the same speed as the rotating magnetic field of the stator? 3.If both where traveling at the same speed, there will be no induction and the rotor will not be able to create a magnetic field. 4.If we have a motor with a rated speed of 1774, how many poles does it have? 5.If we look at the speed torque curve, at what point is the torque at its maximum? 6. Which NEMA design motor will be the best for a fan or pump application? 7. What is usually given on the motor nameplate-Synchronous speed or the rated speed? 8. What does TENV on a motor name plate stands for? 9. An electromagnet is: 10. An electromagnet can be replaced by a 11. Straight magnets surrounding electromagnet can be replaced by often a fixed part called which is

          1.In an induction motor, is the rotor
connected to the three-phase incoming
power?
2.Is the rotor speed the same speed as the
rotating magnetic field of the stator?
3.If both where traveling at the same speed,
there will be no induction and the rotor will
not be able to create a magnetic field.
4.If we have a motor with a rated speed of
1774, how many poles does it have?
5.If we look at the speed torque curve, at
what point is the torque at its maximum?
6. Which NEMA design motor will be the best
for a fan or pump application?
7. What is usually given on the motor
nameplate-Synchronous speed or the rated
speed?
8. What does TENV on a motor name plate
stands for?
9. An electromagnet is:
10. An electromagnet can be replaced by a
11. Straight magnets surrounding electromagnet
can be replaced by
often a fixed part called
which is

1.In an induction motor, is the rotor
connected to the three-phase incoming
power?
2.Is the rotor speed the same speed as the
rotating magnetic field of the stator?
3.If both where traveling at the same speed,
there will be no induction and the rotor will
not be able to create a magnetic field.
4.If we have a motor with a rated speed of
1774, how many poles does it have?
5.If we look at the speed torque curve, at
what point is the torque at its maximum?
6. Which NEMA design motor will be the best
for a fan or pump application?
7. What is usually given on the motor
nameplate-Synchronous speed or the rated
speed?
8. What does TENV on a motor name plate
stands for?
9. An electromagnet is:
10. An electromagnet can be replaced by a
11. Straight magnets surrounding electromagnet
can be replaced by
often a fixed part called
which is

Added by Andrew R.

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