The photovoltaic off grid inverter is a power conversion device that boosts the input DC power by pushing and pulling, and then inverts it into 220V AC power through the inverter bridge SPWM sine pulse width modulation technology.
The full name of MPPT controller is "Maximum Power Point Tracking" solar controller, which is an upgraded product of traditional solar charging and discharging controllers. The MPPT controller can detect the generation voltage of the solar panel in real-time and track the highest voltage and current value (VI), enabling the system to charge the battery at maximum power output. Applied in solar photovoltaic systems, coordinating the work of solar panels, batteries, and loads is the brain of photovoltaic systems. The maximum power point tracking system is an electrical system that adjusts the working status of electrical modules to enable photovoltaic panels to output more electricity. It can effectively store the direct current generated by solar panels in batteries, effectively solving the problem of living and industrial electricity in remote areas and tourist areas that cannot be covered by conventional power grids, without generating environmental pollution.
Photovoltaic off grid inverters are suitable for power systems, communication systems, railway systems, ships, hospitals, shopping malls, schools, outdoor and other places. It can be connected to the mains to charge the battery. It can be set as battery priority or mains priority. Generally, off grid inverters need to be connected to batteries because photovoltaic power generation is unstable and the load is unstable. A battery is needed to balance energy. However, not all photovoltaic off grid inverters require battery connection.
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