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Delta RPI-M15A

Delta RPI-M15A
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5.2.7.5. FRT (Fault ride through)
根据某些特定地区之电力法规规范,当市电电压发生骤降时,在一定的时
间内逆变器必须维持并网状态。用户可透过启动FRT功能并设定所需的参
数来达到这项要求。
U/Un
I
B
/I
n
K factor
K factor
+10-10
FRT 1/2
21. Jun 2010 13:50
Dead band - Vh
K factor
Vdrop
U1
t1
+10[ ] %
[
[
[
[
2.0
5
20
150
]
]
]
]
%
%
ms
t2
[ 1.5 ] s
Dead band - Vl
-10[ ] %
a
b
c
d
e
f
ab
c
c
100%
U1
0
t1
Fault occurence
t3
time
U
grid/
U
nom
2
Umin
Udrop
a
disconnect
1
connect
d
f
b
g
FRT 2/2
21. Jun 2010 13:50
t3 [ 3.0 ]
s
Mode
ON[ ]
g
h
图5-22 FRT 设定页面
88
逆变器开机

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