Solar AC power generation system is composed of solar panel, charging controller, inverter and battery; The solar DC power generation system does not include inverter. The process of converting AC energy into DC energy is called rectification, the circuit that completes the rectification function is called rectification circuit, and the device that realizes the rectification process is called rectification equipment or rectifier. Correspondingly, the process of converting DC energy into AC energy is called inverter, the circuit that completes the inverter function is called inverter circuit, and the device that realizes the inverter process is called inverter equipment or inverter.
The core of the inverter device is the inverter switching circuit, which is called inverter circuit for short. The circuit completes the function of inverter by turning on and off the power electronic switch. The on-off of power electronic switching devices requires certain driving pulses, which may be adjusted by changing a voltage signal. The circuit that generates and regulates pulses is usually called control circuit or control loop. In addition to the above inverter circuit and control circuit, the basic structure of the inverter device also includes protection circuit, output circuit, input circuit, output circuit, etc.
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