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Electrical Machines
Inter pole winding is connected in-------------------------- ?
series with main poles
parallel with armature
parallel with main poles
series with armature
series with main poles
parallel with armature
parallel with main poles
series with armature
Answer
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Related Question
Electrical Machines
A 4 pole wave wound dc motor having flux per pole of 9.56 X 10-3 Wb contains 460 armature conductors with armature resistance of 0.6 ohm. Calculate the starting current flowing through the armature if the supply voltage is 240 volt.
800 Amp.
400 Amp.
320 Amp.
0.5 Amp.
800 Amp.
400 Amp.
320 Amp.
0.5 Amp.
Answer
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Electrical Machines
In Ward-Leonard system, the lower limit of the speed imposed by
Field resistance.
Residual magnetism of the generator.
None of above.
Armature resistance.
Field resistance.
Residual magnetism of the generator.
None of above.
Armature resistance.
Answer
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Electrical Machines
The inertia constant H of a synchronous condenser is
none of these.
greater than that of turbo alternator.
greater than that of hydro generator.
equal to that of the effective length of the line.
none of these.
greater than that of turbo alternator.
greater than that of hydro generator.
equal to that of the effective length of the line.
Answer
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Electrical Machines
Armature reaction of an unsaturated DC machine is
demagnetising.
none of above.
magnetising.
crossmagnetising.
demagnetising.
none of above.
magnetising.
crossmagnetising.
Answer
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Electrical Machines
The size of inter poles is small as compared to main poles. What is the reason?
In order to not to get saturated.
In order to get more flux.
In order to get saturated.
All of these
In order to not to get saturated.
In order to get more flux.
In order to get saturated.
All of these
Answer
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