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Shipboard Electrical Power Systems
book

Shipboard Electrical Power Systems

by Mukund R. Patel
December 2011
Intermediate to advanced content levelIntermediate to advanced
370 pages
12h 24m
English
CRC Press
Content preview from Shipboard Electrical Power Systems
System Protection 245
of the time-delay characteristic shown in Figure10.10. The trip settings of various
circuit breakers in the system are coordinated such that the circuit breaker closest
to the fault is tripped rst by a relay circuit, keeping the rest of the system operating
normally. In a chain of circuit breakers, the generator breaker should have the longest
trip time setting for a given fault current.
10.4.1 tyPes of CirCUit breaker
Molded case dual-element circuit breaker: This type is generally used for small
LV circuits. It is made of two tripping elements and contacts enclosed in a common
molded plastic case (Figure1 ...
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Publisher Resources

ISBN: 9781439828175