If you want to understand the photovoltaic industry, you must first understand the inverter. In order to give everyone a complete understanding of the inverter, we have hired a more professional Growatt expert to explain it to our friends. We hope that those who are interested in photovoltaic inverters will Friends help to a certain extent.
Inverter control: Invert the DC power output by the component into AC power with the same amplitude and phase as the grid and merge it into the grid.
Active power control: In order to prevent excessive active power from being input to the grid, power companies will remotely control the inverter to reduce the power injected into the grid.
Frequency control: achieve faster response to power grid mutations/faults and limit active power according to frequency.
Reactive power control: The reactive power output by the inverter to the grid can stabilize the access point voltage. Injecting capacitive reactive power into the grid will raise the voltage at the access point, while inductive reactive power can have the opposite effect.
Low voltage ride through: When the power grid experiences a short-term drop, the photovoltaic power station must not disconnect from the grid, but should continue to remain connected to the grid. In addition, more complete grid support requirements also require inverters to inject reactive power into the grid during grid dips.
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