3 Function Description User Manual
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For details, see “11 Appendix IV: Power Response”.
PF: Fixed power factor mode. The PF mode controls the active power factor
of the inverter’s output according to a set-point set via the LCD. The PF
ranges from 0.8 leading (+) to 0.8 lagging (-), with the default value of +1.0.
Qt: Fixed reactive power mode.
Q(P): Power related control mode. The displacement power factor of the
inverter output varies in response to the output power of the inverter.
Q(U): Voltage related control mode. The reactive power output of the inverter
varies in response to the grid voltage.
3.2.6 Load Control
The inverter provides a load control dry-contact (DO1 relay), which can control
the load via a contactor. Refer to “6.7 DO Connection” for the cable
connection.
User may set the control mode according to individual demand. Refer to “10.4.9
Setting Load Control” for LCD settings.
Timer: Set the starting time and end time. The DO function will be enabled
during the time interval.
ON/OFF: The DO function will be enabled if ON or disabled if OFF.
Optimized: Set the starting time, end time, and the optimized power. During the
interval, when the export power reaches to the optimized power, the DO function will
be enabled.
3.3 Battery Management
The batteries compatible with the PV ESS must meet the IEC 62109
certification. The battery kinds are as follows.
Li-ion battery from SUNGROW, LG Chem, GCL, Pylon, BYD and TAWAKI.
Lead-acid battery which require manual configuration.
The inverter is capable of managing the battery charging, discharging, and
maintenance based on the battery status, which will maximize the battery life.
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