Electricity 4
AC/DC Motors,
Controls and Maintenance
Ninth Edition
Jeff Keljik
Obtain quick and easy access to information on
DC and AC motors, various types of manual, magnetic, and electronic
controls, and the installation and maintenance functions of each.
Updated to the
2008 National Electrical Code® and
featuring safety references to the most current OSHA Safe
Work policies, Electricity 4: AC/DC Motors, Controls, and
Maintenance, 9th Edition provides practical, hands-on
information to get the electrical system operating as well as the
theory of “why” the system works to aid in troubleshooting.
The Ninth Edition features material on
Variable Frequency Drives (VFDs) and newer controls for servo and
small motors. Current practices and equipment have also been added
to the Maintenance section to better enable readers to troubleshoot
motors and control problems.
Features:
- all material has been updated to bring the
"state-of-the-industry" principles and practices to new and
practicing electrical workers
- more control systems using programmable
controls and the use of electronic controls have been added to the
advancement of control systems
- current and past technologies are
thoroughly examined to provide reference to older systems still in
use and provide the necessary information to transition to newer
systems
- formulas and examples are explained
step-by-step, and solutions are provided to reinforce processes
and aid in application
Contents:
1. The DC Shunt
Motor
2. The DC Series
Motor
3. DC Compound
Motors
4. Summary Review
of Units 1-3
5. Manual-Starting
DC Motors
6. Electronic DC
Motor Control
7. Basic Principles
of Automatic Motor Control
8. The DC CEMF
Motor Controller and DC Variable-Speed Motor Drives
9. The DC
Voltage-Drop Acceleration Controller
10. The DC
Series-Lockout, Relay Acceleration Controller
11. Dynamic Braking with
a DC Motor-Reversal Controller
12. Summary Review of
Units 5-11
13. Electromechanical and
Solid-State Relays and Timers
14. The Three-Phase,
Squirrel-Cage Induction Motor
15. Starting Three-Phase,
Squirrel-Cage Induction Motors
16. Controllers for
Three-Phase Motors
17. The Three-Phase,
Wound-Rotor Induction Motor
18. Solid-State Starters
and Controls
19. Summary Review of
Units 13-18
20. The Synchronous Motor
21 Three-Phase Motor
Installations
22. Single-Phase Motor
Installations
23. Energy-Efficient
Motors
24. AC Series and
Repulsion Motors
25. Selsyn Units
26. Motor Maintenance
27. Summary Review of
Units 20-26
Glossary
Index
About the Author:
Jeff Keljik is a graduate
of Dunwoody College of Technology and has a bachelor's
degree from Metropolitan State University. He served as head of the
electrical department at Dunwoody College of Technology from 1982 to
1998, and played an integral part in developing their Electrical
Design and Management program.
The recipient of both the 1993
Kraemer Fellowship Award for new technology education and an award
for International Technical Teacher Education, Jeff also holds a
master's degree and a Journeyman's
class 'A'
license from the State of Minnesota.
He is an Executive Board Member
for the North Central Electrical League and serves on the Education
Committee for the Minnesota Electrical Association. Jeff has
co-written many courses for NEC® updates, examination preparation
courses, and apprenticeship materials.
384 Pages - 7-3/8 x
9-1/4 in.
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