Inverter circuit and modulation method thereof

The invention discloses an inverter circuit and a modulation method thereof, relates to the technical field of inversion, and aims to solve the problems that an existing inverter is low in efficiency and too large in harmonic distortion rate, and energy waste can be caused. The inverter circuit comprises a current source load comparison sub-circuit, a reverse amplification sub-circuit, a level transfer sub-circuit and a full-bridge sub-circuit which are electrically connected in sequence. The current source load comparison sub-circuit receives the corresponding sine wave signal and the carrier signal, compares the corresponding sine wave signal with the carrier signal, and outputs a corresponding first comparison signal and a corresponding second comparison signal; the reverse amplification sub-circuit respectively amplifies the first comparison signal and the second comparison signal, and outputs a corresponding first amplification signal and a corresponding second amplification signal; the level transfer su