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AC Motor Handbook | Practical Guide to AC Motors and Control Options
Introduction
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| Practical Guide to AC Motors and Control Options |
AC motors are electric motors that convert alternating current (AC) electrical energy into mechanical energy. They are widely used in a variety of applications such as fans, pumps, conveyor systems, and industrial machinery.
AC Motor Types
The two most widely used types of AC motors are induction motors and synchronous motors.
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How AC Motors Work
The two basic parts of an AC motor are the stator (the stationary outer drum) and the rotor; the rotating inner portion of the motor which is attached to (and drives) the motor shaft. Both the stator and the rotor produce rotating magnetic fields. In the windings of the stator, this rotating field is provided inherently by the sinusoidal nature of alternating current. In the rotor, the magnetic field is created by permanent magnets, reluctance saliency, or by additional electrical windings. Synchronous motors operate in lock step with the frequency of the supply current because their rotors have either permanent magnets or electromagnets generating the rotating electromagnetic field.
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TABLE OF CONTENTS
Chapter 1 What are AC Motors and How Do They Work?
Chapter 2 Selecting Motors for Industrial Applications
Chapter 3 Replace or Rewind an AC Motor?
Chapter 4 Overview of AC Motor Control Options
Chapter 5 How to Wire a Motor Starter
Chapter 6 How to Select a Soft Starter for Your Motor
Chapter 7 All About Variable Frequency Drives (VFDs)
Chapter 8 Collection of AC Motor Application Stories
Converting a Mill/Drill and Installing a VFD
Teaching an Old Dog Some New Tricks
Denim Manufacturer Upgrades Controls to Add Flexibility to Process Lines
Download full PDF in Comment section
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Practical Guide to AC Motors and Control Options
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