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why we used servo motor insted of inducation motor?

why we used servo motor insted of inducation motor?..

Answer / ajay

follwing resion to use servo motor insted of induction motor
but only some cases where more accurate speed want
ex.positioning system,printing m/c,robotics m/c,etc

1>speed accuracy.
2>high torque at low speed
3>do not speed drop at high load.

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