
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Transcribed Image Text:1.
Explain the following picture and its' importance in selection of circuit breakers.
Extinction of
arc on
Initia tion of
primary contacts
short circuit
Energization
of trip circuit
Parting of
primary arcing
contacts
Time-
Interrupting time
Tripping Opening Arcing
delay
time
time
Contact
parting time
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