Environmental Engineering Reference
In-Depth Information
respectively. The reader will show that current for the overdamped case has
the following form:
0
@
2
4
s
R
2
L
3
5
t
1
A
2
2
U
0
R
2
1
LC
e
Rt
=
2
L
sin
h
I
sc
ð
t
Þ¼
q
4
Z
c
2
<<
ð
6
:
33
Þ
Z
c
R
1
r
L
C
Since
Z
c
¼
where
Z
c
is the characteristic, or surge, impedance of the R-L-C network.
Substituting for
t
¼
t
pk
and
I
sc
(
t
pk
) will lead to evaluation of the electrolytic
capacitor inductance.
A6:
55 nH.
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