Operation Logic – Off Grid
PV
Utility
10 ms
UPS Level Switch Time:
Distribution Box
RS485
The system will switch from on-grid mode to
Smart Meter
off-grid mode if utility disconnected from the
Hybrid
system uninterruptedly within 10ms, which
Inverter
can make sure the power supply on backup
side for most of the house loads do not loss
Back-Up Wiring
power for any second.
BMS Cable
On-Grid Wiring
• There is limitation for backup load power,
especially for inductive loads
Lithium Battery
Back-Up Loads
On-Grid Loads
12