Industrial Electricity and Motor Controls by Rex Miller

Industrial Electricity and Motor Controls by Rex Miller

Author:Rex Miller
Language: eng
Format: epub
Tags: -
Publisher: McGraw-Hill Education
Published: 2013-07-12T16:00:00+00:00


USING SOLID-STATE CONTROL AND ELECTROMAGNETIC DEVICES

When solid-state controls are utilized in circuits that have electromagnetic devices, there are problems with the “dirty” power source. The buildup and collapse of a magnetic field whenever a coil of wire or inductor is energized and de-energized produces spikes and other types of electrical noise. These spikes can cause problems with solid-state devices since they are susceptible to voltage surges and spikes that are commonplace with the energizing of relay coils and the turning on and off of electric motors.



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