Single-phase inverter anti-backflow device

4 FAQs about [Single-phase inverter anti-backflow device]

How a photovoltaic system is anti-backflow?

According to the requirements of the domestic Golden Sun Project for grid-connected photovoltaic systems, the photovoltaic system on the user side must be spontaneous and self-use. So the anti-backflow device came into being.

How does an inverter achieve anti-backflow?

Upon detecting current flow towards the grid, the inverter will reduce its output power until the countercurrent is eliminated, thereby achieving anti-backflow. It is important to note that the CT and meter themselves do not have anti-backflow capabilities; they simply collect data to enable the inverter to adjust its output accordingly.

What is an anti-backflow controller?

So the anti-backflow device came into being. The principle of the anti-backflow controller is to control or cut off the output of the grid-connected inverter by monitoring the input power on the grid side, so that the photovoltaic grid-connected power generation system will not feed the grid.

How does a Deye inverter anti-backflow work?

4. The solution? Deye inverter anti-backflow working principle: install an meter with CT or current sensor at the grid-connected point. When it detects that there is current flowing to the grid, it will feed back to the inverter, and the inverter will immediately change its working mode and track from the maximum power point of MPPT.

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