5
This diagram is an example for an application in which neutral is separated from the PE in the
distribution box.
For countries such as China, Germany, the Czech Republic, Italy, etc, please follow local wiring
regulations.
•
Work modes:
Work modes Description
Self-use
(with PV Power)
Priority: load>battery>grid
The energy produced by the PV system is used to optimize
self-consumption. The excess energy is used to charge the batteries,
then exported to gird.
Self-use
(without PV Power)
When no PV supplied, battery will discharge for local loads firstly, and
grid will supply power when the battery capacity is not enough.
Feed in priority
Priority: load>grid>battery
In the case of the external generator, the power generated will be used
to supply the local loads firstly, then export to the public grid. The
redundant power will charge the battery.
Back up mode
When the grid is off, system will supply emergency power from PV or
battery to supply the home loads (Battery is necessary in EPS mode).
Power station
The energy of the battery is used to suppress the output power
instability caused by the unstable output of the photovoltaic panel, so
that the power output of the inverter reaches the ideal power curve.
Note：Charging time is when the battery is charged within the set time range. The setting of charging time
can be used in the above three modes.
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