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What is main difference in ac motor and dc motor?

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تم إضافة السؤال من قبل Mukarram Ali
تاريخ النشر: 2016/05/15
Abdulrahman Alyami
من قبل Abdulrahman Alyami , Electrical Engineer - Cathodic Protection , SNC-Lavalin Fayez Engineering

Also, there are differences in how you control their speed. I worked with motors in water waste sewage and AC motors were controlled with VFD " Variable Frequency Drive".

commutator is te difference between ac and dc motor.dc motors have commutator but ac motors don't have commutator.

Padam Sharma
من قبل Padam Sharma , Sales Manager , SIEMENS Ltd

DC motor gives high troque

AC motor has low maintainence

AC motor has better speed control

AC motor does not require commutator / brushes

Duncan Robertson
من قبل Duncan Robertson , Strategy Consultant , Duncan Robertson Consultancy

AC = alternating current

DC = direct current

In direct current the electrons flow in one direction all the time, whereas with alternating current their direction of travel reverses periodically, perhaps 50 times per second.

If you supply DC to an AC motor it won't work, and vice versa.

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