Answer Posted / prabakaran

Dear all please note commutator is not a converter, all are
telling dc ot ac, we already giving dc supply to motor
through motor terminals at A1 & A2 (ie.+ & -) it is
transformed to rotor winding or bars through Brush and
commutator.

DC supply - Motor TB A1&A2 - Carbon Brush - Commutator -
Rotor winding or copper bars

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