The direct function of the inverter is to transform the DC electric energy into AC electric energy, the core of the inverter, is the inverter switch circuit referred to as the inverter circuit. The circuit through the power electronic switch on and off, to complete the inverter function. The on-off of power electronic switching devices requires certain driving pulses, which may be regulated by changing a voltage signal. A circuit that generates and regulates pulses. Often referred to as a control circuit or control loop. The basic structure of the inverter, in addition to the above inverter circuit and control circuit, there are protection circuit, output circuit, input circuit, output circuit, etc.

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