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I
NSTALLATION
5.11.7.5. FRT (Fault ride through)
Users can refer to the figure below and fine tune the parameters in FRT setting page.
FRT – 1/2
Dead band - Vh
a
Dead band - Vl
b
K factor
c
Vdrop
d
t1
e
U1
f
t2
g
FRT – 2/2
t3
h
Mode
i
I
G
NSTALLATION
UIDE
21. Jun 2010 13:50
[
+10
] %
[
-10
] %
[
2.0
]
[
5
]
%
[
]
ms
150
%
[
]
20
[
1.5
] s
21. Jun 2010 13:50
100%
[
3.0
] s
U2
[
ON
]
f
U1
d
Udrop
Figure 5-49. FRT setting page
I
/I
B
n
c
K factor
-10
+10
U/Un
c
K factor
b
a
U
U
grid/
nom
1
2
t1
0
t2
e
g
Fault occurence
52
S
ETTINGS
3
4
t3
time
h
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