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5.8 Grid Setup Menu
U
V
W
220VAC
Rz
Rz: Large resistance ground resistor. Or the system doesn’t have Neutral line
220VAC 220VAC
N
Grid Mode:
General Standard
、
UL1741 & IEEE1547
、
CPUC RULE21
、
SRD-UL-1741
、
CEI 0-21
、
Australia A
、
Australia B
、
Australia C
、
EN50549_CZ-PPDS(>16A)
、
NewZealand
、
VDE4105
、
OVE-Direc�ve R25.
Please follow the local grid code and then choose the
corresponding grid standard.
Grid level
: there’re several voltage levels for the inverter
output voltage when it is in off-grid mode.
LN:230VAC LL:400VAC,LN:240VAC LL:420VAC,
LN:120VAC LL:208VAC, LN:133VAC LL:230VAC.
IT system
: For the IT grid system, the Line voltage
Reconnection Time
PF
60s
1.000
Grid Setting/Connect
Low frequency
Normal connect
48.00Hz
Low voltage
185.0V
High frequency
51.50Hz
Normal Ramp rate
10s
Reconnect Ramp rate
36s
High voltage
265.0V
Low frequency
Reconnect after trip
Low voltage
High frequency
51.30Hz
High voltage
263.0V
48.20Hz
187.0V
Grid
Set2
Normal connect
: The allowed grid voltage/frequency
range when the inverter first �me connect to the grid.
Reconnect a�er trip
: The allowed grid voltage
/frequency range for the inverter connects the grid
a�er the inverter trip from the grid.
Reconnec�on �me
: the wai�ng �me period for
the inverter connects the grid again
PF
: power factor which is used to adjust inverter
reac�ve power
is IT system, please enable “IT system” and �ck the “Grid level” as 133-3P as below picture shows.
(between any two lines in a three-phase circuit) is 230Vac, and the diagram is as follow.If your grid system
0/10
Grid Setting/Grid code selection
Grid Mode
Grid Level
0/120/240
0/240/120
Grid
Set1
Grid Frequency
50HZ
60HZ
General Standard
Phase Type
IT system-neutral is not grounded
LN:220V/LL:380V(AC)
Over voltage U>(10 min. running mean)
Grid Setting/IP Protection
260.0V
Set3
Grid
--
HV1
265.0V
0.10s
--
HV2
265.0V
0.10s
HV3
--
LV1
185.0V
0.10s
--
LV2
185.0V
0.10s
185.0V
LV3
--
HF1
51.50Hz
0.10s
--
HF2
0.10s
HF3
--
LF1
48.00Hz
0.10s
--
LF2
0.10s
LF3
①
②
①
②
0
.
10s—Trip �me.
LV1:
Level 1 undervoltage protec�on point;
LV2:
Level 2 undervoltage protec�on point;
LV3
: Level 3 undervoltage protec�on point.
HV1:
Level 1 overvoltage protec�on point;
HV2:
Level 2 overvoltage protec�on point;
HV3
: Level 3 overvoltage protec�on point.
HF1:
Level 1 over frequency protec�on point;
HF2:
Level 2 over frequency protec�on point;
HF3
: Level 3 over frequency protec�on point.
LF1:
Level 1 under frequency protec�on point;
LF2:
Level 2 under frequency protec�on point;
LF3
: Level 3 under frequency protec�on point.
265.0V
51.50Hz
51.50Hz
48.00Hz
48.00Hz