The commutator segments are connected to the armature conductors by means of?

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The commutator segments are connected to the armature conductors by means of?

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asked Mar 20, 2018 by anonymous

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In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be?

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In a synchronous motor, the armature current has large values for?

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The armature current of the synchronous motor?

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asked Mar 20, 2018 by anonymous

The insulating material used between the commutator segments is normally?

Last Answer : The insulating material used between the commutator segments is normally mica.

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In D.C. generators, the brushes on commutator remain in contact with conductors which?

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In addition to undercutting the mica, proper maintenance of a D.C. motor's commutator includes _______________. A. side-cutting the copper segments and insulating the slots B. coating the copper surface with light machine oil for the first four hours of operation C. baking the armature in an oven at a maximum of 95°C for not over 8 hours D. all of the above

In addition to undercutting the mica, proper maintenance of a D.C. motor's commutator includes _______________. A. side-cutting the copper segments and insulating the slots B. coating the copper surface with light machine ... in an oven at a maximum of 95°C for not over 8 hours D. all of the above
Last Answer : Answer: A

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asked Jan 4 by itszee

For a D.C. generator when the number of poles and the number of armature conductors is fixed...

For a D.C. generator when the number of poles and the number of armature conductors is fixed, then which winding will give the higher e.m.f. ?
Last Answer : Wave winding

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asked Mar 20, 2018 by anonymous

A 4-pole 460V shunt motor has its armature wave connected with 888 conductors. The useful flux per pole is 0.02 wb and the resistance of the armature circuit is 0.7Ω. if the armature current is 40A. Calculate (i) the speed (ii) the torque

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asked Mar 10, 2021 by Uet&

To avoid formation of grooves in the commutator of a D.C. machine?

Last Answer : To avoid formation of grooves in the commutator of a D.C. machine the brushes of opposite polarity should track each other.

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asked Mar 21, 2018 by anonymous

The number of brushes in a commutator depends on?

Last Answer : The number of brushes in a commutator depends on amount of current to be collected.

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asked Mar 20, 2018 by anonymous

anonymous · Answer 1 · 2018-03-20T22:28:36+0000

The commutator segments are connected to the armature conductors by means of copper lugs.

The commutator segments are connected to the armature conductors by means of?

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