Tuesday, January 23, 2018

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INDUSTRIAL CONTROL HANDBOOK - 2.8 TYPES OF ELECTRIC MOTORS

The three major types of electric motors include DC motors, AC motors, and the motors we are calling electronically commutated motors (usually classified as DC motors).

We have already mentioned some specific sub-classifications of these three types of motors, and indeed, there is a bewildering array of motor types offered by manufacturers, who may or may not give a sufficient description of their product to allow the buyer to determine which type of motor he or she is being offered. Figure 2-18 is an attempt to classify the more popular motor types.

Some of the motors in Figure 2-18 have names describing where they are typically used. This should not be interpreted to mean that other motor types cannot be used for the same type of applications. One motor is called a "brushless DC servomotor," for example, but DC moving coil motors and AC induction motors can also be used as servomotors.

Figure 2-18 Motor classificationsFigure 2-18 Motor classifications


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