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19
20
Parameters of Power:
Ppv: PV input power
Parameter Explanation of LCD Displays
Pac: active power of AC output
Sac: apparent power of AC output Po: active power of UPS
So: Apparent power of UPS
Pc: Charging power
Pd: discharging power
PtoGrid: active power of exporting / feed-in to grid
Parameters of Voltage and Frequency etc.:
Vb: battery voltage Vo: UPS voltage
Vbus: voltage of DC bus
Vg: grid voltage
F: frequency SOC: state of charge
Parameters of Energy:
Einvday: energy output via AC output today Einvall: total energy output via AC output
EtoGall: total feed-in energy
Ecday: charged energy today Ecall: total charged energy
Edday: discharged energy today Edall: total discharged energy
Eoday: UPS output energy today Eoall: total UPS output energy
Epv1day: energy generated today of PV array 1 Epv2day: energy generated today of PV array 2
Epv1all: total energy generated of PV array 1 Epv2all: total energy generated of PV array 2
Erecday: AC charge energy of today
Erecall: total AC charge energy
EtoUday: energy consumed by loads today EtoUall: total energy consumed by loads
EtoGday: feed-in energy today
f) PV Charge + Grid On
The inverter is working normally on-grid, the power generated by PV is sufficient and within a range which
PV power is used to charge the battery and there are still excessive PV power rested to export or feed-in
via the AC grid connection. Under this inverter working status, your general loads will either consumption
the power from PV or use power from the grid or at them same time from the two sources, the detailed
situation is based on the PV power output range and your general loads power demands differences.
g) Battery Grid On
The inverter is working on-grid with no PV power input, and there are sufficient energy stored in the battery,
the inverter is discharging the battery and export the power via AC grid connection to your system.
h) PV+Battery Grid On
The inverter is working normally on-grid with limited PV power input and the battery energy is
sufficient, at this inverter working status the limited PV power is used together with the battery
discharging power to export or feed-in via the AC grid connection.
I) AC Charge
The inverter is working normally on-grid with no PV input power, and is using the AC power from the
grid to charge the battery as configured previously (the function should be enabled firstly as Chapter
Inverter Settings - h) AC Charge Settings described).
j) PV+AC Charge
The inverter is working normally on-grid with limited PV input power, and the batter SOC is not
sufficient, if at this time the inverter is configured to charge the battery with both PV power and
AC grid power, then inverter will run in this status.
k) Battery Grid Off
The inverter is working normally off-grid with no PV input power, and the battery SOC is sufficient.
When inverter works at this status, the battery is discharging to output power via the UPS connection.
l) PV Battery Grid Off
The inverter is working normally off-grid with limited PV input power, and the battery SOC is sufficient.
When inverter works at this status, the battery is discharging together with the PV power to output via
the UPS connection.
m) PV Charge Grid Off
The inverter is working normally off-grid with sufficient PV input power, and the battery SOC is
insufficient. When inverter works at this status, the inverter is charging the battery using PV power
and there are excessive power rested to output via the UPS connection.
d) PV Grid On
The inverter is working normally on-grid, and the all the power generated by PV will export or feed-in
via the AC grid connection to your general loads and the grid.
e) PV Charge
The inverter is working normally, the power generated by PV is within a range that all the PV power is
used to charge the battery, while there are no excessive power rested to output from neither the AC
Grid connection nor UPS connection.
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