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Re: reducing speed of an electric motor
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Posted by Cliff (VA) on August 29, 2002 at 18:25:50 from (208.155.75.4):
In Reply to: reducing speed of an electric motor posted by Lloyd Smith on August 29, 2002 at 17:11:41:
The rotational speed of most common AC motors is set by a number of parameters including the frequency of the AC Power (60 Hz in the US), the number of poles in the motor, and other design considerations. To make a long story short, you really cannot change the speed because it is "locked" to the line frequency. There are AC drives that are designed to change the speed of AC motors, but we are talking serious industrial devices and serious money. My suggestion would be to buy a DC motor and controller. One of my woodworking catalogs offered a 1/2 horse motor ~$200. Granger would be another good place to try.
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