Charles Trout, longtime chairman of NEC(r) Panel 12 and author of Electrical Installation and Inspection and the National Electrical Installation Standard on Electric Motors and Controls (NECA) has written a one-of-a-kind summary of electric motor and control concepts. This quick, accessible guide is a comprehensive examination of installation and maintenance procedures for motors and controls, as well as a practical introduction to the application and operation of motor control theory. Incorporating numerous illustrations to reinforce key concepts, Essentials of Electric Motors and Controls reviews concepts such as, magnetism, AC current, frequency, and basic motor operation. This essential resource is perfect for industrial electricians on-the-job, instructors teaching a short course on the topic, and individuals interested in learning more about motors and controls.M 3 2-wire OL M Elementary diagram of starter (2-wire control) M M 1 M M OL OL OL 3-phase motor 2 3 T1 T2 T3 L1 L1 L2 ... When the momentary contact start button of the startastop control device is pushed, the normally open contacts close, anbsp;...
|Title||:||Essentials of Electric Motors and Controls|
|Author||:||Charles M. Trout|
|Publisher||:||Jones & Bartlett Publishers - 2011-08-24|