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Which of the following method is used to connect commutator segments to armature conductors?

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Which of the following method is used to connect commutator segments to armature conductors?

(a) Brazing

(b) Normal wires

(c) Insulation pads

(d) Copper lugs

I had been asked this question in an internship interview.

I want to ask this question from Brushes and Commutator Assembly topic in chapter DC Machines of DC Machines

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The correct choice is (d) Copper lugs

Easy explanation: Commutator in connected to the armature using lugs. Generally, they are made with copper. They are tightly bolted to the armature in order to prevent the centrifugal forces from causing the segments to fly away.

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