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Electrical Machines
A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle?
60°
10°
45°
30°
60°
10°
45°
30°
Answer
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Related Question
Electrical Machines
A DC generator beyond critical resistance will generate
maximum current.
maximum voltage.
no voltage.
maximum power.
maximum current.
maximum voltage.
no voltage.
maximum power.
Answer
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Electrical Machines
In the V curve shown in figure below for a synchronous motor, the parameter of Y and X coordinates are, respectively
Armature current and torque.
Power factor and field current.
Torque and field current.
Armature current and field current.
Armature current and torque.
Power factor and field current.
Torque and field current.
Armature current and field current.
Answer
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Electrical Machines
A lap wound 4 pole dc motor has 460 conductors. Find the number of parallel paths between the conductors?
6.
2.
4.
data provided is insufficient.
6.
2.
4.
data provided is insufficient.
Answer
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Electrical Machines
Which of the following voltage regulation method is accurate ?
Synchronous impedance method
ZPF method
MMf method
American standard association method
Synchronous impedance method
ZPF method
MMf method
American standard association method
Answer
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Electrical Machines
In a synchronous generator, if mechanical input is increased with constant excitation, the load angle will
either increase or decrease
None of these
increase
decrease
either increase or decrease
None of these
increase
decrease
Answer
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