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Why DC excitation is used for alternators? Why cant it be AC?
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Answer Posted / tapan desai
Because due to ac supply the
torque produce in rotor is in
pulsating nature so filed is
produce also in pulsating
nature so that neglect each
other so for provide constant
torque and field we give dc
supply or dc excitation to
rotor with help of slip ring.
| Is This Answer Correct ? | 5 Yes | 0 No |
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