Delta RPI-M20A Manual

44
7.2.6.5 FRT (Fault ride through)
This function is only for Germany MV, Italy LV, and Italy MV. It is not
recommended that users modify the default values.
U/Un
IB/In
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
g
ab
c
c
100%
U1
0
t1
t2
Fault occurence
t3
time
Ugrid/Unom
2 3
4
1
U2
Udrop
FRT – 2/2
21. Jun 2010 13:50
t3 [ 3.0 ]
s
Mode
ON[ ]
h
i
d
e
f
g h
Figure 7-25 FRT setting page
8. Maintenance
In order to ensure the normal operation of PV Inverter, please check up regularly
at least once each year or each half year. Check all the terminals, screws, cables
are connected well. If there are any impaired parts, please contact with the
qualified technician to repair or replace to the new spare part. To ensure that no
foreign body stocks at the heat outlet, please clean up once a half year by
qualified technicians.
Danger！Death and serious injuries may occur.
Before maintenance, please disconnect AC and DC to avoid risk of
electronic shock.

Delta RPI-M20A Specifications

General

Brand	Delta
Model	RPI-M20A
Category	Inverter
Language	English