DC MOTOR VS AC MOTOR

Diffrence between DC MOTOR & AC MOTOR

By Asiya Mumtaz

DC MOTOR VS AC MOTOR
DC MOTOR VS AC MOTOR

Mode of Power: AC motors are powered from AC current while DC motors are powered from dc current.

Conversion of Current: In AC motors conversion of current is not required whereas dc motors require conversion of current i.e from AC to DC in order to function properly.

Use of AC and DC motors: AC motorsare used where power performance is sought for an extended periods of time. DC motors are used where motor speed required to be controlled externally.

Number of Phases: AC motors can be single phase or three phases while all DC motors are single phase.

Costly Repairing: Repairing ofACmotors is not costly whereas repairing of DC motors is costly.

Use of Brushes: AC motor does notuse brushes; on the other hand DC motor uses brushes.

Life Span: AC motors have a longer life span while DC motors does not have longer life span.

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