Why DC excitation is used for alternators? Why cant it be AC?
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Answer Posted / anish
i think its b'coz we need constant poles at the ends of the
field(i.e. rotor) so as to lock the rotor wid the rotating
magnetic field.hence DC is used.if AC is used it ll create
NORTH n SOUTH poles alternately on each side of the rotor
| Is This Answer Correct ? | 78 Yes | 26 No |
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