Electricity 4 —— AC/DC Motors, Controls, and Maintenance

----- 电4：AC / DC电机，控制和维护

ISBN: 9781111646752 出版年：2012 页码：418 Jeffrey J Keljik Cengage

Updated to the 2011 National Electrical Code®, ELECTRICITY 4: AC/DC MOTORS, CONTROLS, AND MAINTENANCE, 10e delivers practical coverage of AC/DC motors, controls, and maintenance. It offers students quick and easy access to current information on DC motors, AC motors, motor control, electromechanical and solid-state relays and timers, synchronous motors, installation, sensyn units, motor maintenance, and more. The text combines thorough explanations of how systems work with relevant, hands-on examples of electrical system operation to develop troubleshooting skills.