Comparison of Induction motor and DC motors

Parameter DC motors Induction motors
Supply DC AC
Maintenance Frequent Less frequent
Speed Low High
Size and weight Large Small
Speed control Rheostatic control, field control Stator voltage control, stator frequency control.
Applications Lathe machine,drilling and milling machine, printing machinary, pumps, blowers and fans. Fans,pumps,extruders,conveyors,in paper and sugar industries, traction, chemical and textile industry.



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