
186 Operating instructions
Manual Energy Storage Inverter ESI-S
9.3.3 Islanding
The islanding is the capability for the ESS to work as the voltage generator for the loads
on the island. 3 different phases are defining this feature: going to the islanding mode,
working in islanding and resynchronize the island on the network voltage.
9.3.3.1 Description of island setup
The island is constituted by a voltage and by loads and power generators such as wind
turbines, solar panels... as shown on
. The island is physically disconnected
thanks to a switch from the supply. This avoid any issue when the supply is back because
both voltages are not synchronized.
Loads:
- Three-phase
- Single-phase
Generation:
- Wind turbines
- Solar panels
ESS
Supply
1
2
Island
Figure 95 Island setup
Item
Description
1
AC voltage measurement
2
Islanding contactor/switch (not provided)
The inverter ESI-S has to be correctly connected to work in islanding: the islanding
contactor has to be driven by the ESI and the grid voltage has to be rightly measured by
the inverter (see