What Are The Advantages And Disadvantages Of Ac, Dc Motors?

1 Answer

Answer :

Advantages of AC Motors:

Low cost,
long life,
high efficiency,
large ratings available (to 1 MW or more),
large number of standardized types.
Disadvantages of AC Motors:

Starting inrush current can be high,
speed control requires variable frequency source.
Advantages of DC Motors:

Precision positioning,
High holding torque,
Long lifespan,
Low maintenance,
High efficiency
Disadvantages of DC Motors:

Some can be costly,
Require a controller,
Higher initial cost,
Requires a controller.

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