Difference between AC Servo Motor and DC Servo Motor
Category: Electrical Articles
15 Oct 14
Following are main difference between AC servo motor & DC servo motor
A.C. Servo Motor |
D.C. Servo Motor |
---|---|
Low power output of about 0.5 W to 100 W. | Deliver high power output. |
Efficiency is less about 5 to 20%. | High efficiency. |
Due to absence of commentator maintenance is less. | Frequent maintenance required due to commentator. |
Stability problems are less | More problems of stability. |
No radio frequency noise. | Brushes produce radio frequency noise. |
Compare to DC servo motor it is relatively stable and smooth operation. | It is Noisy operation. |
AC amplifier used have no drift. | DC Amplifier used have a drift. |