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Understanding Motor Controls, Cengage International Edition, 5th Edition
Overview
Herman/Seiler's UNDERSTANDING MOTOR CONTROLS, Cengage International Edition, is designed for students with no previous experience in motor controls and introduces basic principles for using components in motor control circuits. Illustrations depict the building of complicated circuits and troubleshooting skills with basic types of meters and test equipment. While the use of modern equipment is highlighted throughout the book, legacy types of timers and other motor control devices are also included for reference. Updates include the most recent edition of the National Electrical Code®, clearly illustrating how to select overloads and protect the control circuitry. Motor control components and hands-on laboratory experiments enable students to practice concepts, starting with simple circuits and advancing to more complicated topics involving timing relays, programmable devices and auto-transformer starters.
- Expanded coverage highlights industrial motor control topics and basic electronics coverage needed for modern installation as well as repairs of older systems.
- The abundance of clear illustrations have been thoroughly updated to depict recent components and technologies to help students visualize and reinforce challenging principles.
- The hands-on lab experiments are designed so that you and your students can construct and complete the experiments with materials you have access to.
- Detailed examples and associated troubleshooting test questions clarify difficult topics and prepare students for real-life situations they will encounter in the field.
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 (UJT).
50. The SCR.
51. The Diac.
52. The Triac.
53. The 555 Timer.
54. The Operational Amplifier.
Section XI: LAB EXERCISES.
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