For a D.C. machines laboratory following type of D.C. supply will be suitable?

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For a D.C. machines laboratory following type of D.C. supply will be suitable?

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asked Mar 20, 2018 by anonymous

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How many earthpit needed to generator??

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If a self excited d.c. generator after being installed, fails to build up voltage on its first trial run, the first

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asked May 25, 2018 by anonymous

A 8-pole, DC generator has a simplex wave-wound armature containing 32 coils of 6 turns each. Its flux per

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Last Answer : A 8-pole, DC generator has a simplex wave-wound armature containing 32 coils of 6 turns each. Its flux per pole is 0.06 Wb. The machine is running at 250 rpm. The induced armature voltage is 384 V

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asked May 17, 2018 by anonymous

The voltage built-up process of a d.c. generator is

The voltage built-up process of a d.c. generator is 1. difficult 2. delayed 3. cumulative 4. Infinite
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asked May 13, 2018 by anonymous

for the voltage built-up a self-excited D.C. generator, which of the following is not an essential

for the voltage built-up a self-excited D.C. generator, which of the following is not an essential condition. 1.there must be some residual flux 2.field winding mmf must aid the residual ... 3.total field circuit resistance must be less than t critical value 4.armature speed must be very high
Last Answer : for the voltage built-up a self-excited D.C. generator, which of the following is not an essential condition. 1.there must be some residual flux 2.field winding mmf must aid the ... .total field circuit resistance must be less than t critical value 4.armature speed must be very high

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asked May 13, 2018 by anonymous

The slight curvature at the lower end of the O.C.C. of a self-excited dc generator is due to

The slight curvature at the lower end of the O.C.C. of a self-excited dc generator is due to 1. residual pole flux 2. high armature speed 3.magnetic inertia 4. high field circuit resistance
Last Answer : The slight curvature at the lower end of the O.C.C. of a self-excited dc generator is due to magnetic inertia

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asked May 13, 2018 by anonymous

anonymous · Answer 1 · 2018-03-20T22:53:38+0000

For a D.C. machines laboratory following type of D.C. supply will be suitable induction motor D.C. generator set.

For a D.C. machines laboratory following type of D.C. supply will be suitable?

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