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Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
book

Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition

by John G. Webster, Halit Eren
February 2014
Intermediate to advanced content levelIntermediate to advanced
1921 pages
82h 13m
English
CRC Press
Content preview from Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
24-11Phase Measurement
Phasing lamps are sometimes used as a simpler alternative to synchroscopes. A lamp is connected
be
tween
th
e
tw
o
ge
nerators,
an
d
an
y
la
ck
of fr
equency
sy
nchronization
ma
nifests
as a i
ckering
of th
e
la
mp
. A ze
ro-phase
di
erence
be
tween
th
e
tw
o
ge
nerators
co
rresponds
to ma
ximum
br
ightness
in th
e
la
mp
.
24.3.7 Vector Voltmeters and Vector Impedance Methods
Alternating voltages (and currents) are oen characterized as vectors consisting of a magnitude and a
ph
ase,
wi
th
th
e
ph
ase
be
ing
me
asured
re
lative
to so
me
de
sired
re
ference
. Ma
ny
in
struments
ex
ist
th
at
ca
n
di
splay
th
e
vo
ltage
am
plitude
an
d
ph
ase
of a sig
nal
acr
oss
a
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Publisher Resources

ISBN: 9781439848913