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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
152 Shipboard Electrical Power Systems
or otherwise), then the ampere and ohm bases are indirectly defined from the
following relations:
In 1-phase system, I
kVA
V
base
base
base
=
1000
A/phase
Z
V
I
V
kVA
kV
MVA
base
base
base
base
base
base
ba
= = =
2 2
1000
sse
Ω/phase (6.8)
In large high-voltage, 3-phase systems, it is customary to state 3-phase kVA and
line-to-line voltage in kV
LL
, but the power system analysis is still done on a per phase
(line-to-neutral) basis, where
In 3-phase system, I
kVA
kV
base
ph base
LLbase
=
3
3
.
A/phase
Z
kV
kVA
kV
MVA
base
LLbase
ph base
LL base
ph
= =
1000
2
3
2
3.
.
..base
Ω/phase (6.9)
The values of base volts, base amperes, and base ...
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Publisher Resources

ISBN: 9781439828175