Basic concepts of low-voltage three-phase hybrid inverters

　　The basic concept of low-voltage three-phase hybrid inverters can be understood from the following three aspects:

　　Low voltage: The input voltage of a low-voltage three-phase hybrid inverter is generally between 12V and 48V, which can reduce the cost and safety risks of electrical equipment.

　　Three phase: The output voltage of a three-phase hybrid inverter is three-phase AC power, generally 380V or 220V, suitable for high-power equipment such as motors, pumps, fans, etc.

　　Hybrid: A hybrid inverter can not only convert DC power to three-phase AC power, but also convert three-phase AC power to DC power, achieving bidirectional power flow. In this way, hybrid inverters can be combined with renewable energy sources such as solar and wind power to achieve optimized energy utilization.

　　The working principle of low-voltage three-phase hybrid inverters can be divided into the following two modes:

　　Inverter mode: When the input power is direct current, the low-voltage three-phase hybrid inverter converts the direct current into three-phase alternating current through switch tubes and transformers, and outputs it to the load or grid.

　　Converter mode: When the input power is three-phase AC power, the low-voltage three-phase hybrid inverter converts the three-phase AC power into DC power through a rectifier bridge and filtering capacitor, and outputs it to the battery or DC load.

　　Low voltage three-phase hybrid inverters can automatically switch between inverter mode and converter mode according to the type of input power source and load requirements, achieving bidirectional conversion and balance of electrical energy.

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