5.2.7.5. FRT (Fault ride through)
Some electricity regulations requests that inverter should keep connected
to grid when grid voltage drops suddenly in few seconds. In these areas,
users can enable FRT function and adjust the parameters to meet the
requirement.
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
a
b
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
Figure 5-22 FRT setting page.
37
Turn on/off PV inverter
Содержание RPI Series
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Страница 53: ...RPI M15A M20A The power behind competitiveness www deltaww com English 1 53 103...
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Страница 57: ...2 1 RPI M15A M20A 2 1 2 2 1 2 2 2 1 2 2 57...
Страница 58: ...2 2 RPI M15A RPI M20A 1 1 pcs 1 pcs 1 pcs 1 pcs RPI 2 3 AC AC 4 5 DC 4 sets DC 2 1 58...
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Страница 61: ...PV array IEC 61730 Class A 3 AC DC 1 12 M6 3 3 2 3 2 M6 3 4 3 1 61...
Страница 62: ...90 Not Recommended Not Recommended Keep 30 cm from floor and water if installed this way 3 2 62...
Страница 63: ...M6 Screw 6 Wall M6 Screw 6 3 3 3 4 M6 Screw 63...
Страница 64: ...3 5 25 60 40 30 cm 20 cm 50 cm 30 cm 30 cm 3 5 64...
Страница 89: ...6 1 6 1 PV Inverter 6 AC DC 6 1 89...
Страница 90: ...6 2 6 3 6 2 6 3 6 3 4 90...
Страница 97: ...8 AC DC OFF voltmeter AC DC AC DC RS 485 97...
Страница 101: ...10 NO 3 Fans 8 Kgf cm 0 8N m 1 Air inlet 8 Kgf cm 0 8N m 2 Fan panel 8 Kgf cm 0 8N m 10 1 1 101...
Страница 103: ...RPI M15A M20A The power behind competitiveness www deltaww com English 1 53 103...
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Страница 107: ...2 1 RPI M15A M20A 2 1 2 2 1 2 2 2 1 2 2 107...
Страница 108: ...2 2 RPI M15A RPI M20A 1 1 pcs 1 pcs 1 pcs 1 pcs RPI 2 3 AC AC 4 5 DC 4 sets DC 2 1 108...
Страница 109: ...2 3 2 3 2 3 109...
Страница 111: ...PV array IEC 61730 Class A 3 AC DC 1 12 M6 3 3 2 3 2 M6 3 4 3 1 111...
Страница 112: ...90 Not Recommended Not Recommended Keep 30 cm from floor and water if installed this way 3 2 112...
Страница 113: ...M6 Screw 6 Wall M6 Screw 6 3 3 3 4 M6 Screw 113...
Страница 114: ...3 5 25 60 40 30 cm 20 cm 50 cm 30 cm 30 cm 3 5 114...
Страница 139: ...6 1 6 1 PV Inverter 6 AC DC 6 1 139...
Страница 140: ...6 2 6 3 6 2 6 3 6 3 4 140...
Страница 147: ...8 AC DC OFF voltmeter AC DC AC DC RS 485 147...
Страница 151: ...10 NO 3 Fans 8 Kgf cm 0 8N m 1 Air inlet 8 Kgf cm 0 8N m 2 Fan panel 8 Kgf cm 0 8N m 10 1 1 151...
Страница 153: ......
Страница 154: ...Version 05190319 5013242902...