Skip to Main Content
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
16-6 Electrical Variables
In order to obtain the ac current waveform, a Rogowski coil is used together with an integra-
tor. Single-chip digital integrators have been developed to process the signal of Rogowski coils
(a
lso
kn
own
as dI/d
t
se
nsors)
fo
r
en
ergy
me
ters
. e us
e
of an AD 77
59
si
gnal
pr
ocessor
wi
th
bu
ilt-
in
si
gma–delta
A/
D
co
nverters
gi
ves
0.1% er
ror
fr
om
th
e
me
asured
va
lue
in th
e
10
00:1
dy
namic
ra
nge[15]
.
e Ro
gowski
co
il
co
ntains
no fe
rromagnetic
ma
terial,
an
d
th
us
it ha
s
ex
cellent
li
nearity
an
d
an
ex
tremely
la
rge
dy
namic
ra
nge
. Us
ers
o
en
re
ly
on th
eir
li
nearity
an
d
us
e
th
em
to me
asure
cu
rrents
th
at
are much higher than the ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Instrumentation and Control Systems, 3rd Edition

Instrumentation and Control Systems, 3rd Edition

William Bolton

Publisher Resources

ISBN: 9781439848913