Nelson Higher Education

Higher Education

Understanding Motor Controls, 3rd Edition

  • Stephen L. Herman
  • ISBN-10: 1305498127
  • ISBN-13: 9781305498129
  • 640 Pages | Hardcover
  • Previous Editions: 2013, 2006
  • COPYRIGHT: 2017 Published
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Overview

About the Product

Designed for students with no previous experience in motor controls, UNDERSTANDING MOTOR CONTROLS, 3e introduces basic principles and progresses from learning about common motor control components to how they are used in motor control circuits. The new edition is packed with illustrations concerning troubleshooting circuits and offers thorough explanations of the basic types of meters and test equipment needed for troubleshooting control circuits. Written in accord with the National Electrical Code, Chapter 37 on the installation of motors has been completely updated and now offers an even stronger illustration of how overload heater sizes are actually selected. Using actual motor control components, hands-on laboratory experiments enable students to put what they learn into practice. These student-friendly experiments start with very simple circuits and progress to more complicated circuits involving the use of timing relays and an auto-transformer starter.

Features

  • Providing flexibility and accessibility, lab experiments are not based on a particular brand relay, timer, or other piece of equipment but can be constructed from common motor control components.

  • Detailed examples show students how to convert a ladder or schematic diagram to a wiring diagram, which is the first step in learning how to connect a working circuit using a schematic diagram. This concept also helps students understand the logic of a circuit, which aids in learning troubleshooting techniques.

  • Extremely student friendly, the text is written in an easy to read and understand level. Many practical illustrations explain in a step-by-step sequence how the logic of a circuit works -- ensuring thorough student understanding.

Reviews

"The sections on the various controls are good for the most part." "There is a wonderful number of schematics! My students are technically minded and that will help them picture what is really going on inside."
— Keith Dinwiddie, Ozarks Community College

About the Author

Stephen L. Herman

As a retired electrician and proficient instructor with more than 30 years of practical experience, Stephen L. Herman is known for his reader-friendly approach. A seasoned author, Mr. Herman has written leading books on electricity and mathematics that are popular with students and instructors alike. For two decades Mr. Herman served as lead instructor for the Electrical Technology Curriculum at Lee College in Baytown, Texas, where he received an Excellence in Education Award from the Halliburton Education Foundation. He also taught at Randolph Community College in Asheboro, North Carolina, for nine years and helped pioneer an electrical curriculum for Northeast Texas Community College in Mount Pleasant, Texas. His additional publications include ELECTRIC MOTOR CONTROL, ELECTRICITY AND CONTROLS FOR HVAC/R, INDUSTRIAL MOTOR CONTROLS, UNDERSTANDING MOTOR CONTROLS, ELECTRONICS FOR ELECTRICIANS, ALTERNATING CURRENT FUNDAMENTALS, DIRECT CURRENT FUNDAMENTALS, ELECTRICAL STUDIES FOR TRADES, ELECTRICAL PRINCIPLES, EXPERIMENTS IN ELECTRICITY FOR USE WITH LAB VOLT EQUIPMENT, THE COMPLETE LABORATORY MANUAL FOR ELECTRICITY, and PRACTICAL PROBLEMS IN MATHEMATICS FOR ELECTRICIANS.

Table of Contents

Preface.
Safety.
Section I: BASIC CONTROL CIRCUITS AND COMPONENTS.
1. General Principles of Motor Control.
2. Symbols and Schematic Diagrams.
3. Manual Starters.
4. Overload Relays.
5. Relays, Contactors, and Motor Starters.
6. The Control Transformer.
Section II: BASIC CONTROL CIRCUITS.
7. Start-Stop Pushbutton Control.
8. Multiple Pushbutton Stations.
9. Forward-Reverse Control.
10. Jogging and Inching.
11. Timing Relays.
12. Sequence Control.
Section III: SENSING DEVICES.
13. Pressure Switches and Sensors.
14. Float Switches and Liquid Level Sensors.
15. Flow Switches.
16. Limit Switches.
17. Temperature Sensing Devices.
18. Hall Effect Sensors.
19. Proximity Detectors.
20. Photodetectors.
21. Reading Large Schematic Diagrams.
22. Installing Control Systems.
Section IV: STARTING AND BRAKING METHODS.
23. Across-the-Line Starting.
24. Resistor and Reactor Starting for AC Motors.
25. Autotransformer Starting.
26. Wye-Delta Starting.
27. Part Winding Starting.
28. Direct Current Motors.
29. Single-Phase Motors.
30. Braking.
Section V: WOUND ROTOR, SYNCHRONOUS, AND CONSEQUENT POLE MOTORS.
31. Wound Rotor Motors.
32. Synchronous Motors.
33. Consequent Pole Motors.
Section VI: VARIABLE SPEED DRIVES.
34. Variable Voltage and Magnetic Clutches.
35. Solid State DC Motor Controls.
36. Variable Frequency Control.
Section VII: MOTOR INSTALLATION.
37. Motor Installation.
Section VIII: PROGRAMMABLE LOGIC CONTROLLERS.
38. Programmable Logic Controllers.
39. Programming a PLC.
40. Analog Sensing for Programmable Logic Controllers.
Section IX: DEVELOPING CONTROL CIRCUITS AND TROUBLESHOOTING.
41. Developing Control Circuits.
42. Troubleshooting.
Section X: LABORATORY EXERCISES.
Appendix.
Glossary.

New to this edition

  • Packed with new photographs and updated graphics that bring chapter concepts to life through detailed illustrations.
  • Includes expanded coverage of pressure switches.
  • Reflecting the latest developments from the field, the Third Edition features extended information on IEC and NEMA symbols.
  • Increased coverage of troubleshooting equips students with the tools and knowledge to deal with issues they will face in real-world practice.
  • Providing tools to help instructors maximize course success, the Instructor Resource site includes PowerPoint presentations, test banks, and an image gallery.
  • Got questions about this solution? Connect with the author - https://www.cengage.com/discipline-trades/author-connection#electrical

Supplements

All supplements have been updated in coordination with the Main title.
Please see Main title page for new to this edition information.

Instructor Supplements

Instructor Companion Website  (ISBN-10: 1305498135 | ISBN-13: 9781305498136)

Everything you need for your course in one place! This collection of product-specific lecture and class tools is available online via the instructor resource center at www.cengage.com/login. You'll be able to access and download materials such as PowerPoint presentations, images, instructor's manual, videos, and more.

Cengage Testing, powered by Cognero┬« Instant Access  (ISBN-10: 1305498151 | ISBN-13: 9781305498150)

Cengage Learning Testing, powered by Cognero® is a flexible, online system that allows you to import, edit, and manipulate content from the text's test bank or elsewhere, including your own favorite test questions; create multiple test versions in an instant; and deliver tests from your LMS, your classroom, or wherever you want.