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Question:

why do conveyors use AC 3 phase motors?

why do conveyors use AC 3 phase motors?

Answer:

It has more torque and small in size.
The reason is simple: as the efficiency of a three phase motor at 120 degrees uses less energy than a single phase motor. It has lots more torque and and is smaller, uses less starting current, and can be switched from star to delta when up to running speed.

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