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Understanding Motor Controls,
4th Edition

Stephen L. Herman

ISBN-13: 9781337798686 | ISBN-10: 1337798681

Copyright 2020

| Published 2019

| 720 pages

List Price USD $199.95

Overview

Designed for students with no previous experience in motor controls, Herman's UNDERSTANDING MOTOR CONTROLS, 4E introduces basic principles and guides readers from learning about common motor control components to understanding how to use components in motor control circuits. Numerous up-to-date illustrations depict troubleshooting circuits while thorough explanations detail basic types of meters and test equipment to troubleshoot control circuits. An updated chapter on installing motors corresponds with the National Electrical Code and clearly illustrates how to select overload heater sizes. Using actual motor control components, hands-on laboratory experiments enable students to practice the concepts they've learned. These student-friendly experiments start with simple circuits before advancing to more complicated circuits involving timing relays and auto-transformer starters.

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Meet the Authors

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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.

  • EXPANDED COVERAGE NOW INTRODUCES INDUSTRIAL MOTOR CONTROL TOPICS. This complete edition now highlights industrial motor control topics as well as the basic electronics coverage need to master these principles.
  • THOROUGHLY UPDATED ILLUSTRATIONS DEPICT TODAY'S MOST RECENT COMPONENTS AND TECHNOLOGIES. These clear, timely illustrations help clarify even the most challenging principles and further reinforce the author's reader-friendly approach.
  • STUDENT-FRIENDLY LABORATORY EXPERIMENTS ARE NOT BRAND-SPECIFIC FOR MAXIMUM FLEXIBILITY AND ACCESSIBILITY. Because all hands-on lab experiments are not based on a particular brand of relay, timer or other piece of equipment, you and your students can construct and complete the experiments using common motor control components.
  • DETAILED EXAMPLES CLARIFY MORE DIFFICULT TOPICS, SUCH AS HOW TO CONVERT A LADDER OR SCHEMATIC DIAGRAM TO A WIRING DIAGRAM. Clear examples and illustrations demonstrate this first step in learning how to connect a working circuit using a schematic diagram. Thoroughly understanding this concept also helps your students understand the logic of a circuit.
  • EXTREMELY READER-FRIENDLY APPROACH OFFERS EASY-TO-READ EXPLANATIONS WRITTEN IN LANGUAGE STUDENTS CAN UNDERSTAND. The author incorporates many practical illustrations to clarify and explain in a step-by-step sequence how the logic of a circuit works. This proven approach helps ensure the thorough understanding and foundation students need to advance.

Table of Contents

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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. DC 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 PLCs.
Section IX: DEVELOPING CONTROL CIRCUITS AND TROUBLESHOOTING.
41. Developing Control Circuits.
42. Troubleshooting.
Section X: ELECTRONICS FOR INDUSTRIAL MOTOR CONTROL
43. Direct Drives and Pulley Drives
44. Semiconductors.
45. The PN Junction.
46. The Zener Diode.
47. Light Emitting Diodes and Photodiodes.
48. The Transistor.
49. The Unijunction Transistor.
50. The SCR.
51. The Diac.
52. The Triac.
53. The 555 Timer.
54. The Operational Amplifier.
Section XI: LAB EXERCISES.

Cengage provides a range of supplements that are updated in coordination with the main title selection. For more information about these supplements, contact your Learning Consultant.

Instructor's Companion Website for Herman's Understanding Motor Controls

ISBN13:9781337798716
ISBN10:1337798711
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.

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ISBN13:9781337798723
ISBN10:133779872X

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ISBN13:9781337798730
ISBN10:1337798738
Cengage 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.

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Understanding Motor Controls

  • ISBN-10: 1337798681
  • ISBN-13: 9781337798686

Price USD$ 199.95

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