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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
29-6 Electrical Variables
Applied field, H (A/m) H
cs
B
rs
B
r
H
c
H
M
H
M
Induction, B (Wb/m
2
)
΄
˝
FIGURE 29.5 Major and minor dc hysteresis loops for a typical so ferromagnet. Labeled points of interest are
described in the text.
Applied field, H (A/m)
DC
60 Hz
100 Hz
300 Hz
Induction, B (Wb/m
2
)
FIGURE 29.6 With increasing test frequency, coercivity for a so ferromagnet also increases.
29-7Permeability and Hysteresis Measurement
e hysteresis loops in Figure 29.5 are known as direct current (dc) loops. Typical sweep times for such
lo
ops
ra
nge
fr
om
10 to 12
0
s. At ...
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Publisher Resources

ISBN: 9781439848913