Understanding Motor Controls
DE-1401890164
$140.95 $124.95

Understanding Motor Controls

Stephen L. Herman

Gain the knowledge that industrial electricians in the field need in order to be successful! The subject of motor controls is one of the major areas of concern for industrial electricians, and this book prepares readers for work in the industry.

A "real-world" systems approach is applied to all aspects of motor control, including basic control circuits, sensing devices, solid-state controls, variable speed drives, programmable logic controllers (PLCs), and more. "Must know" applications, procedures, and operations are stressed throughout.

Coverage concludes with a series of practical laboratory exercises to help provide an excellent knowledge base of important installation, testing, and troubleshooting procedures.

Features:

• teaches readers how to recognize standard NEMA symbols and familiarizes them with important information on motor installation that is in accordance with the 2005 National Electrical Code®
• clear explanations of the logic of control systems begins with very simple control circuits and progresses to more advanced circuits for organized learning
• covers the basic control components such as limit switches, flow switches, and pressure switches, that readers are likely to encounter throughout their work in the industry
• introduces the basics of programmable logic controllers and how they operate, as well as how a standard relay control system can be converted for loading into a PLC

Contents:

Preface

Safety

SECTION 1 BASIC CONTROL CIRCUITS AND COMPONENTS

• Chapter 1 General Principles of Motor Control
• Chapter 2 Symbols and Schematic Diagrams
• Chapter 3 Manual Starters
• Chapter 4 Overload Relays
• Chapter 5 Relays, Contactors, and Motor Starters
• Chapter 6 The Control Transformer

SECTION 2 BASIC CONTROL CIRCUITS

• Chapter 7 Start-Stop Pushbutton Control
• Chapter 8 Multiple Pushbutton Stations
• Chapter 9 Forward-Reverse Control
• Chapter 10 Jogging and Inching
• Chapter 11 Timing Relays
• Chapter 12 Sequence Control

SECTION 3 SENSING DEVICES

• Chapter 13 Pressure Switches and Sensors
• Chapter 14 Float Switches and Liquid Level Sensors
• Chapter 15 Flow Switches
• Chapter 16 Limit Switches
• Chapter 17 Temperature Sensing Devices
• Chapter 18 Hall Effect Sensors
• Chapter 19 Proximity Detectors
• Chapter 20 Photodetectors
• Chapter 21 Reading Large Schematic Diagrams
• Chapter 22 Installing Control Systems

SECTION 4 STARTING AND BRAKING METHODS

• Chapter 23 Across-the-Line Starting
• Chapter 24 Resistor and Reactor Starting for AC Motors
• Chapter 25 Autotransformer Starting
• Chapter 26 Wye-Delta Starting
• Chapter 27 Part Winding Starting
• Chapter 28 Direct Current Motors
• Chapter 29 Single-Phase Motors
• Chapter 30 Braking

SECTION 5 WOUND ROTOR, SYNCHRONOUS, AND CONSEQUENT POLE MOTORS

• Chapter 31 Wound Rotor Motors
• Chapter 32 Synchronous Motors
• Chapter 33 Consequent Pole Motors

SECTION 6 VARIABLE SPEED DRIVES

• Chapter 34 Variable Voltage and Magnetic Clutches
• Chapter 35 Solid State DC Motor Controls
• Chapter 36 Variable Frequency Control

SECTION 7 MOTOR INSTALLATION

• Chapter 37 Motor Installation

SECTION 8 PROGRAMMABLE LOGIC CONTROLLERS

• Chapter 38 Programmable Logic Controllers
• Chapter 39 Programming a PLC
• Chapter 40 Analog Sensing for Programmable Logic Controllers

SECTION 9 DEVELOPING CONTROL CIRCUITS AND TROUBLESHOOTING

• Chapter 41 Developing Control Circuits
• Chapter 42 Troubleshooting

SECTION 10 LABORATORY EXERCISES

• Appendix
• Glossary

Stephen L. Herman has been both an electrician and teacher for over 20 years. He has authored numerous textbooks on the subjects of electricity and mathematics.

Mr. Herman received an Excellence in Education Award by the Haliburton Education Foundation.

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1401890164 / 9781401890162