SMA eCharger - Page 60

7 Commissioning
SMA Solar Technology AG
Operating manualEVC22-3AC-20-BE-en-1060
Settings at point of inter-
connection
Explanation See
2. Maximum unbalanced
load
Unbalanced load limit per national regulations
(e.g., 4.6 kW in Germany). This is important for
regulating the operation of single-phase and
two-phase charging vehicles and the boost func-
tion.
Section8.13.1,
page74
3. Phase assignment Assign phases in the same way as the Sunny
Home Manager or Energy Meter at the grid
connection point. Important for the integrated
unbalanced load regulation function.
Section8.13.1,
page74
Operation with meter at
point of interconnection
Explanation See
1. Grid connection point
rated current
Rating of the selective circuit protection at the
grid connection point or at the Sunny Home
Manager. Important for control to ensure black-
out protection.
Section8.13.1,
page74
2. Active power limitation
fallback value, control
at the point of intercon-
nection
Fallback charging power in case of loss of com-
munications.
Section8.13.1,
page74
Charging settings Explanation See
1. Nominal active power Ability to limit the maximum charging power,
e.g. to 11 kW.
Section8.13.1,
page74
2. Minimum charging cur-
rent
According to IEC 61851, min. 6 A. Can be ad-
justed for the specific vehicle, e.g. to 10 A.
Section8.13.1,
page74
3. AC current limitation Rating of the miniature circuit breaker for the
separate power circuit for the charging station.
Section8.13.1,
page74
4. Disconnection after full
charge
Relevant for the Sunny Home Manager to plan
and reserve charging power. Select Yes if the
available power is to be provided to the other
KANN loads after the charging procedure is
completed. Select No if the charging station is
the only controlled load, or if prior climate con-
trol is to be used.
Section8.13.1,
page74