Solution for Introduction to Mechatronic Design 1st Edition Chapter 23, Problem 1

by J. Edward Carryer, Matthew Ohline, Thomas Kenny
347 Solutions 31 Chapters 61469 Studied ISBN: 9780131433564 Mechanical Engineering 5 (1)

Chapter 23, Problem 1 : 23.1) Why is it necessary to include a...

23.1) Why is it necessary to include a snubber circuit when switching inductive circuit elements (e.g., brushed DC motors)?

Step-By-Step Solution

23.1) When an inductive circuit element is switched off, the phenomenon of inductive kickback can create voltage spikes large enough to damage or destroy other circuit elements, especially the switch (e.g., transistor, relay, mechanical switch) used to control the inductor. A snubber circuit reduces the voltage from the inductive kickback to levels that are within the specifications for the other circuit elements.

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