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Comparison of stepper motor with DC servo motor

Comparison of stepper motor with DC servo motor :


sr. No.
Stepper motors
DC servo motor
1.
Control winding is not present.
Control wingding              is
present
2.
Stepping              rate        is
governed by frequency of switching and not by supply voltage.
Does not rotate in steps.
3.
Number of steps can be precisely controlled by controlling the number of pulses.
DC servo motor gives continuous rotation.
4.
Brushes are absent.
Brushes are present
5.
Maintenance is low
High maintenance
6.
Due        to            load/no                load
conditions no change in running current.
Due        to            load/no                load
conditions           sufficient
change in            running
current.
Comparison between AC and DC servo systems




Comparison of stepper motor with DC servo motor Video:




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Location: Pune, Maharashtra, India

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