The sine wave inverter is a conversion device that converts direct current into alternating current.
It converts direct current power into alternating current power by controlling the on and off of semiconductor power switching devices.
The circuit that controls the turn-on and turn-off of the power switch is the control circuit of the inverter. The control circuit outputs a certain voltage pulse to make the power switch in the power conversion circuit turn on and off according to a certain rule. At this time, the power main circuit The output of is a specific harmonic combination, and finally the voltage waveform we need is obtained through the filter circuit.
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