Environmental Engineering Reference
In-Depth Information
i
N
1
u
N
i
L
u
v
i
c
sL
N
-
+
K
i
(a) the current loop
20
0
-20
-40
-60
-80
10
1
ω
i
10
2
10
3
Frequency (rad/sec)
10
4
10
5
10
6
(b) the magnitude Bode plot from
i
N
to
i
c
Figure 11.5
Design of the current loop
and its magnitude frequency response is
ω
L
N
|
T
(
j
ω
)
| =
(
K
v
−
ω
2
L
N
C
N
)
2
K
i
C
N
)
2
+
(
ω
L
N
=
K
v
(
K
i
C
N
)
2
.
(11.6)
L
N
C
N
2
ω
−
ω
+
It reaches its maximum when
K
v
ω
−
ω
L
N
C
N
=
0
.
(11.7)
i
N
1
sL
N
L
N
ε
0
K
v
-
-
(
sL
N
+
K
i
)
C
N
+
Figure 11.6
Equivalent structure for the voltage loop
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