6. Operation
6. Operation
.34.
6.5.7.2 Relay_Protect Set
6.5.7.3 ILeak_Protect Set
6.5.7.4 GROUND_Protect Set
6.5.7.5 GRID INTF.02 Set
This function is for maintenance personnel only, wrong operation
will prevent the inverter from reaching maximum power.
This function is for maintenance personnel only, wrong operation
will prevent the inverter from reaching maximum power.
This function is for maintenance personnel only, wrong operation
could disable inverter important function.
This function is for maintenance personnel only, wrong operation
could disable inverter important function.
This function is for maintenance personnel only, wrong operation
could disable inverter important function.
This function is for maintenance personnel only, wrong operation
will prevent the inverter from reaching maximum power.
There are 5 option under this setting:
1.LVRT_CQC 2
.
LVRT
.
GN
3
.
LVRT
-
BAR
are not used for the US
,
The function VRT_US (voltage ride through) and FRT_US (frequency ride through) two
operation is used for UL1741SA
(
see
Table
6
.
1
,
Table
6
.
2
)
.
Selecting the setting to RUN will enable the inverter grid protection limits of UL 1741 SA
requirements. Selecting the STOP setting will enable the inverter grid protection limits
of IEEE 1547 requirements. The default setting is STOP.
6.5.7.8 V/FRT Set
Region
System Frequency
Default Settings
1
2
3
4
5
60.5
＜
f≤62
f
＞
62
58.5
＜
f≤60.5
57.0
＜
f≤58.5
f≤57.0
Minimum
Range
of
Adjustability
(
HZ
)
62.0-64.0
60.1-62.0
/ /
57.0-59.9
53.7-57.0
/ /
299S
/ /
/ /
299S
Not
Applicable
Mandatory
Operation
Continuous
Operation
Trip
Time
0.16S
0.16S
300S
300S
/ /
Remarks
Enter protected
state
Enter protected
state
/ /
/ /
/ /
Table
6
.
1
Frequency ride through
Ride-through
until
Ride
-
Through
Operational
Mode
Not
Applicable
Mandatory
Operation
This function is for maintenance personnel only, wrong operation
will prevent the inverter from reaching maximum power.
.35.
6.5.7.6 MPPT Parallel Mode
This is used for parallel strings into different inverter MPPTs.
Press enter and press up or down to change the settings(see Figure 6.21).
Figure 6.21 MPPT Parallel Set
YES=<ENT> NO=<ESC>
MPPTParallel
:
STOP
Selecting RUN will enable parallel strings setup.Both MPPT channels will operate in parallel.
Selecting STOP disables parallel string setup.Both MPPT channels will operate separately.
The default setting is STOP
(
disabled
)
.
This function is used for fixed input voltage(see Figure 6.22).
Figure 6.22 Cnst. Voltage Set
CV Mode
:
STOP
Voltage
:
600V
6.5.7.7 Cnst. Voltage Mode
Selecting RUN will enable fixed input voltage. The inverter will not operate if the input
voltage is lower than the set voltage. Selecting STOP will disable this function.
The default setting is STOP
(
disabled
)
.
