Electricity 4

Electricity 4

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Concise units showcase the latest technology in motor controls without overlooking the basics essential to understanding the concepts.SUMMARY DC motors need controls to start, stop, protect, and adjust the speed and torque of the motor. ... This unit introduced the two general styles of wiring diagrams: the schematic, which shows the electrical operating sequence of theanbsp;...

Title:Electricity 4
Author:Walter N. Alerich, Jeff Keljik
Publisher:Cengage Learning - 2001-01-01


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