by Walter N. Alerich & 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 Coder 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.
Benefits:
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