AC Motors: Difference between revisions
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==Synchronous AC Motors== |
==Synchronous AC Motors== |
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Synchronous motors are termed synchronous because they inherently run at a constant velocity which is synchronized with the frequency of the AC power supply. These motors contain two basic components: A rotor - the components that rotate, and a stator - the outside shell of the motor. The rotor can be made from either a permanent magnet or winding |
Synchronous motors are termed synchronous because they inherently run at a constant velocity which is synchronized with the frequency of the AC power supply. These motors contain two basic components: A rotor - the components that rotate, and a stator - the outside shell of the motor. The rotor can be made from either a permanent magnet or winding powered by a DC power source. When powered, this winding operates as a permanent magnet. The stator holds the armature winding which creates a rotating magnetic field inside the motor. The armature winding can be either either single or multi-phase. Similarly, the rotor has 2 poles in the simplest case, but can have many more. |
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The rotational velocity of a synchronous motor is a function of the number of pairs of poles and is always a |
The rotational velocity of a synchronous motor is a function of the number of pairs of poles and is always a |
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<ref>http://www.electricmotors.machinedesign.com/guiEdits/Content/bdeee2/bdeee2_1-4.aspx</ref> |
<ref>http://www.electricmotors.machinedesign.com/guiEdits/Content/bdeee2/bdeee2_1-4.aspx</ref> |
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Revision as of 23:42, 9 January 2010
This is an article in progress
Synchronous AC Motors
Synchronous motors are termed synchronous because they inherently run at a constant velocity which is synchronized with the frequency of the AC power supply. These motors contain two basic components: A rotor - the components that rotate, and a stator - the outside shell of the motor. The rotor can be made from either a permanent magnet or winding powered by a DC power source. When powered, this winding operates as a permanent magnet. The stator holds the armature winding which creates a rotating magnetic field inside the motor. The armature winding can be either either single or multi-phase. Similarly, the rotor has 2 poles in the simplest case, but can have many more. The rotational velocity of a synchronous motor is a function of the number of pairs of poles and is always a <ref>http://www.electricmotors.machinedesign.com/guiEdits/Content/bdeee2/bdeee2_1-4.aspx</ref> <ref>http://www.allaboutcircuits.com/vol_2/chpt_13/2.html</ref> <ref>http://www.acsynchronousmotors.com/</ref>
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