The overvoltage protection function of the photovoltaic inverter means that when the AC voltage of the inverter network port exceeds the upper limit of the grid voltage set by the inverter, the inverter can automatically cut off the relay of the grid port or reduce the output power to avoid damage to the electrical load in the line because of overvoltage.
[pdf] To recap, there are three kinds of inverters: string inverters, microinverters, and power optimizers. They all transform the power your solar panels generate from direct current (DC) to alternating current (AC). Th.
[pdf] For PV installations of all sizes, there are two main types of solar inverters used today: string inverters and microinverters. While discernably different, both technologies can be effectively used to generate usable home electricity, each with its own advantages and disadvantages.
[pdf] 
