8 Operation
SMA Solar Technology AG
Operating manual EVC22-3AC-20-BE-en-10 75
Procedure:
1. Select the product in the focus navigation.
2. Select the menu Configuration.
3. Select the menu item Device configuration.
4. Change the settings.
5. Click on [Save].
8.13.2 Properties of Charging Modes
The SMA eCharger has 3 charging modes that can be switched between. The effect of the setting
on the charging mode is described below.
Mode Explanation
Fast charging
The vehicle is charged with the maximum available power. There is no opti-
mization here with regard to electricity costs and the use of PV energy. The
charging power is limited by the maximum charging power of the vehicle, the
house connection and the charging station.
Charging with
PV surplus
The vehicle is charged with excess PV energy that would otherwise be fed into
the utility grid or cut off. The Sunny Portal is used to set how high the propor-
tion of excess PV energy must be, in order for the charging station to charge
the vehicle. The SunnyHomeManager does not schedule the charging station
to begin charging until it can fulfill the set optimization target. Depending on
the configuration of the priority of the KANN load, the charging station is
taken into account by SunnyHomeManager before or after other consuming
devices when scheduling. In this charging mode, it is not possible to ensure
that the vehicle is charged in all cases. If the surplus PV energy is not sufficient
for charging, no charging takes place.
Charging with
specified target
The charging station is operated as a necessary load with as much surplus PV
energy as possible. By entering a departure time and an amount of energy to
be charged in the SMA Energy App, the Sunny Home Manager intelligently
plans the charging process. The Sunny Home Manager enables charging at
minimum cost and with maximum utilization of PV power with sufficient charg-
ing to reach the destination at the entered departure time. After sufficient
charging for the target range, the charging station automatically switches to
Charging with specified target.
Automatic phase-switching
Automatic phase-switching by the product enables maximum utilization of self-generated solar
power. This poses no danger to the electric vehicle’s on-board charger because there is a
120-second changeover pause between single- and three-phase charging –
in other words, active single-phase charging is stopped and three-phase charging is activated
after a short wait. An integrated hysteresis prevents constant switching between the phases.
SMA phase-switching is like a manual interruption in the charging process and causes no
vehicle damage when the equipment is properly installed and configured (relay switchover
time).
To Next Page
Loading...
