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Synchronous Motors
A synchronous machine with large air gap has
a higher value of stability limit
a small value of inherent regulation
all of the listed here
a higher synchronizing power which makes the machine less sensitive to load variations
a higher value of stability limit
a small value of inherent regulation
all of the listed here
a higher synchronizing power which makes the machine less sensitive to load variations
Answer
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Related Question
Synchronous Motors
The maximum speed variation in a 3 phase synchronous motor is
10 percent
2 percent
4 percent
Zero
10 percent
2 percent
4 percent
Zero
Answer
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Synchronous Motors
Which of the following motors is non self starting?
Dc series motor
Squirrel cage induction motor
Synchronous motor
Wound rotor induction motor
Dc series motor
Squirrel cage induction motor
Synchronous motor
Wound rotor induction motor
Answer
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Synchronous Motors
The mechanical power developed by a synchronous motor is independent of _________.
Applied stator voltage
Torque angle
Speed
Field excitation
Applied stator voltage
Torque angle
Speed
Field excitation
Answer
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Synchronous Motors
A synchronous motor is a ______ motor.
None of the listed here
Singly fed
Variable speed
Variable pf
None of the listed here
Singly fed
Variable speed
Variable pf
Answer
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Synchronous Motors
In a synchronous motor, the magnitude of stator back emf depends on _____
Load on the motor
Dc excitation only
Speed of the rotor
Both the speed and rotor flux
Load on the motor
Dc excitation only
Speed of the rotor
Both the speed and rotor flux
Answer
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