There are many ways to classify inverters. For example, according to the number of phases of the inverter's output AC voltage, it can be divided into single-phase inverters and three-phase inverters. According to the different types of semiconductor devices used in the inverter, it can be divided into transistor inverters, thyristor inverters and turn-off thyristor inverters. According to the principle of the inverter circuit, it can also be divided into self-excited oscillation inverter, stepped wave superposition inverter and pulse width modulation inverter.

Inverter is a device that converts direct current into alternating current. Photovoltaic inverter is an inverter designed for photovoltaic power generation system. Photovoltaic inverter is an important part of photovoltaic power generation system.

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