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The process of current reversal takes place when the coil is passing through the interpolar region.

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The process of current reversal takes place when the coil is passing through the interpolar region.

(a) True

(b) False

This question was posed to me in a national level competition.

I would like to ask this question from Commutation Process in chapter Commutation Process & Excitation Methods of DC Machines

1 Answer

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The correct option is (a) True

To explain: The process of current reversal called commutation takes place when the coil is passing through the interpolar region (q-axis) and during this period the coil is shorted via the commutator segments by the brush located (electrically) in the interpolar region.

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