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Synchronous Motors
In a synchronous motor, the maximum power developed depends on all of the following except
maximum value of coupling angle
direction of rotation
rotor excitation
supply voltage
maximum value of coupling angle
direction of rotation
rotor excitation
supply voltage
Answer
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Related Question
Synchronous Motors
A synchronous motor runs at speed ranging from ______
None of the listed here
150 to 1800 rpm
1800 to 3600 rpm
3600 to 6000 rpm
None of the listed here
150 to 1800 rpm
1800 to 3600 rpm
3600 to 6000 rpm
Answer
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Synchronous Motors
In a synchronous motor, the rotor copper loss are met by ______
Motor input
Armature input
Dc source
Supply lines
Motor input
Armature input
Dc source
Supply lines
Answer
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Synchronous Motors
When the field of a synchronous motor is under-excited, the power factor will be
unity
leading
lagging
zero
unity
leading
lagging
zero
Answer
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Synchronous Motors
The shaft of synchronous motor is made of
Chrome steel
Stainless steel
Alcino
Mild steel
Chrome steel
Stainless steel
Alcino
Mild steel
Answer
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Synchronous Motors
The induced e.m.f. in a synchronous motor working on leading power factor will be
None of these
more than the supply voltage
less than the supply voltage
equal to the supply voltage
None of these
more than the supply voltage
less than the supply voltage
equal to the supply voltage
Answer
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