Manual Energy Storage Inverter ESI-S
Operating instructions 165
Loads:
- Three-phase
- Single-phase
Generation:
- Wind turbines
- Solar panels
ESS
Supply
1
2
Island
Figure 78 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 (cfr
User requests to
swith in islanding
mode
Open islanding
contactor, swith the
control in voltage
generation
Voltage Generation
System stops
Inverter or battery
limit reached?
Request to leave
Islanding mode?
Resynchronization
Close islanding
contactor,
Switch controller in
connected mode
Synchronized?
N
Y
Y
N
Y
N
Transition to islanding
mode
Invert in islanding
mode
Leaving the islanding
mode