21
Three-phase Inverter Zero-Injection FAQ
d. If the CT wiring order is incorrect with smart meter, the power on the smart
meter and the inverter will display negative values.
e. If the PQD function is not activated, COM 2 not setting or communication
cable is not well connected, the power displayed on the inverter is Pac=0W.
Note:
Do not connect the CT with port 10 of the meter, otherwise will lead
short-circuit.
UP DOWNESC ENT
RUN FAULTGRID
POWER
ISO Test
Pa
Pb
Pc
ISONGb
0W
0W
0W
0
3.589
Inverter Pac (Pa+Pb+Pc)
Three-phase Smart Meter
UP DOWNESC ENT
RUN FAULTGRID
POWER
ISO Test
Pa
Pb
Pc
ISONGb
-1079W
-1084W
-1426W
0
-3.589
Inverter Pac (Pa+Pb+Pc)
Three-phase Smart Meter
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