Find the cross correlation of functions sin o t and cos ot
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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![udisiol ei tu WiuCI iN is CoIuiecteu, tugeulei uUI a
generator transformer unit. The protection of such a
unit is achieved by differential protection scheme using
circulating
protection to such a unit, it is necessary to consider the
phase shift and current transformation in the step up
transformer. The figure in the following page, shows a
current
principle.
While
providing
biased
differential protection scheme
used
for
generator transformer unit. The zone of such a scheme
includes the stator windings, the step up transformer
and the intervening connections. The transformer is
delta-star hence the current transformers on high
voltage side are delta connected while those on
generator side are star connected. This cancels the
displacement between line currents introduced by the
delta connected primary of the transformer. Where
the slots if the winding involves two coil sides in the
same slot. In the later case the fault will involve earth
in a very short time.
Phase fault current is not controlled by the
method of earthing the neutral point.
INTERTURN FAULTS
Interturn faults are also uncommon, but not
unknown
A greatest danger arising from failure to deal with
interturn faults quickly is fire. A large portion of the
insulation is inflammable
Negative sequence protection
Find the cross correlation of functions sin o f and cos ot](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fedaf709e-afb2-49b2-bb58-41e4e8aaa89d%2F5a51df68-cda7-49c2-9d6b-9a39f3d7b170%2Fo1iqbe_processed.jpeg&w=3840&q=75)
Transcribed Image Text:udisiol ei tu WiuCI iN is CoIuiecteu, tugeulei uUI a
generator transformer unit. The protection of such a
unit is achieved by differential protection scheme using
circulating
protection to such a unit, it is necessary to consider the
phase shift and current transformation in the step up
transformer. The figure in the following page, shows a
current
principle.
While
providing
biased
differential protection scheme
used
for
generator transformer unit. The zone of such a scheme
includes the stator windings, the step up transformer
and the intervening connections. The transformer is
delta-star hence the current transformers on high
voltage side are delta connected while those on
generator side are star connected. This cancels the
displacement between line currents introduced by the
delta connected primary of the transformer. Where
the slots if the winding involves two coil sides in the
same slot. In the later case the fault will involve earth
in a very short time.
Phase fault current is not controlled by the
method of earthing the neutral point.
INTERTURN FAULTS
Interturn faults are also uncommon, but not
unknown
A greatest danger arising from failure to deal with
interturn faults quickly is fire. A large portion of the
insulation is inflammable
Negative sequence protection
Find the cross correlation of functions sin o f and cos ot
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