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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 265
PROBLEMS
Problem 10.1: Determine the time-delay fuse rating for a 3-phase, 208V,
5-hp motor branch circuit in the engine room, which has an ambient air
temperature of 55°C. Assume the motor efciency of 92% and power
factor 80%.
Problem 10.2: The 4.76 kV circuit breaker in Table10.4 can be used for a
rated fault current interruption of 41 kA at rated 4.76 kV
LL
system voltage.
Determine the range of system voltage and interruption current it can be
used for.
Problem 10.3: Determine the continuous current rating and the rms fault
current interruption rating of circuit breaker or fuse on both sides of a
300kVA, 600V∆/208VY ...
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Publisher Resources

ISBN: 9781439828175