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Automatic switching function of photovoltaic and grid power

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Automatic switching function of photovoltaic and grid power

July 15, 2021
Latest company case about Automatic switching function of photovoltaic and grid power

 

Automatic switching function of photovoltaic and grid power

 

Related parameters:

 

function code Setting parameters (example)
H00.25 (light weak voltage) 230V
H00.27(Enable automatic power switching) 1
H00.28(Switch to PV time) 60min
H00.29 (Switching time) 3.0s
H00.30(Current power supply, read only) 0 Photovoltaic/1 Grid

 

System composition: Inverter, photovoltaic panel, 1 contactor, 2 photovoltaic anti-reverse diodes.

Operating mode:
1. If the current is photovoltaic power supply, if the light is weak (the input voltage is lower than 230V), then
The system automatically switches to the grid (Grid) power supply, and the switching time is 3.0s.
2. If the grid is currently powered, after running for 60 minutes (H00.28), the system will automatically switch to
Photovoltaic power supply, the switching time is 3.0s.

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