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​Photovoltaic On/off grid inverters can convert the variable DC voltage generated by photovoltaic (PV) solar panels into mains frequency alternating current (AC), which can be fed back to commercial power transmission systems or used by off-grid power grids. Photovoltaic On/off grid inverter is one of the important system balance (BOS) in photovoltaic array system, and it can be used with general AC power supply equipment. Solar On/off grid inverters have special functions that cooperate with photovoltaic arrays, such as maximum power point tracking and islanding protection.

The off grid inverter is an indispensable part of the AC photovoltaic power generation system. Due to various technical or policy reasons, it will take a long time to connect all independent photovoltaic AC power generation systems to the national unified power grid.

The off grid inverter adopts a complete system solution of modular components. off grid inverter is composed of some manageable building blocks, such as XW inverter/charger, automatic generator start module, solar charge controller, and system control panel.

The off grid inverter refers to the inverter capable of V / F control. Its outermost loop is the voltage loop, which can stabilize the voltage and frequency of the AC bus.

Gurui Watt, the equipment supplier of photovoltaic off grid inverter, said that the off grid inverter has many protection functions, such as input reverse connection protection, input under-voltage protection, input overvoltage protection, output overvoltage protection, output overload protection, output short circuit protection, overheating protection and so on.