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The on grid inverter can only inject rated power into the grid for PQ control, and the voltage and frequency of the grid-connected point are not stable. In terms of hardware structure, the DC input of the on grid inverter is usually a volatile renewable energy source such as photovoltaic or wind power.

The on grid inverter sends energy directly to the grid, so it needs to track the frequency and phase of the grid, which is equivalent to a current source. Of course, some inverters have low voltage ride-through capability and can be used for PQ adjustment.

The on grid inverter is the core of the inverter device, and it is also an inverter switching circuit. The circuit composed of the on grid inverter is suitable for completing the function of inverter through the turn-on and turn-off of the power electronic switch.

The on grid inverters provide various power conversion and access solutions for various renewable energy power generation systems such as solar photovoltaic power generation, wind power generation, fuel cell power generation, and small hydropower generation.

on grid inverter is a special inverter. In addition to converting direct current into alternating current, the output alternating current can be synchronized with the frequency and phase of the mains, so the output alternating current You can go back to the mains.