ABB PVS300 Manuale Scaricare il pdf (Pagina 24)

24 Operation basics and hardware description

1. As the sun rises, the inverter wakes up when there is enough daylight for the solar

modules to generate DC voltage in excess of the minimum inverter operating limit.

2. After waking up, the inverter verifies the status of the power line and then

switches to the normal operating mode.

3. During operation, the inverter feeds current to the power line, and monitors both

the solar arrays (DC) and power line (AC).

4. As the sun sets, the inverter enters sleep mode when there is insufficient daylight

to generate DC voltage in excess of the minimum inverter operating limit. The

inverter uses the AC power supply to keep the control unit working when the DC

voltage is too low (night time).

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ABB PVS300 Manuale Pagina 24