资料介绍
AC induction motors are the most common motors
used in industrial motion control systems, as well as in
main powered home appliances. Simple and rugged
design, low-cost, low maintenance and direct connec-
tion to an AC power source are the main advantages of
AC induction motors.
Various types of AC induction motors are available in
the market. Different motors are suitable for different
applications. Although AC induction motors are easier
to design than DC motors, the speed and the torque
control in various types of AC induction motors require
a greater understanding of the design and the
characteristics of these motors.
This application note discusses the basics of an AC
induction motor; the different types, their characteris-
tics, the selection criteria for different applications and
basic control techniques. AN887
AC Induction Motor Fundamentals
created naturally in the stator because of the nature of
Author: Rakesh Parekh
the supply. DC motors depend either on mechanical or
Microchip Technology Inc.
electronic commutation to create rotating magnetic
fields. A single-phase AC induction motor depends on
extra electrical components to produce this rotating
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