The invention discloses a multi-channel 96-pulse instantaneous value feedback high-power PWM grid-connected inverter circuit, which is composed of sixteen phase-shifting transformers, sixteen groups of three-phase bridge inverters and a grid-side trap type LCL filter circuit, wherein the sixteen-channel 96-pulse inverter adopts a combined mode that the alternating-current side windings of a transformer are connected in series, and the direct-current side windings are connected in series. A low-frequency PWM modulation scheme switching mode based on staggered time sampling in combination with phase shifting is adopted, so that inverter driving signals are staggered by a certain phase, and a high-quality current waveform is obtained on the network side. The pulse width modulation technologyis introduced into a multi-pulse inverter for control, and the output waveform of the multi-pulse converter is adjusted by adopting a voltage and current instantaneous value feedback technology. The grid-connected low-voltage large-current power conversion is realized, and the optimal balance of grid side waveform and efficiency is achieved. The multi-channel 96-pulse instantaneous value feedbackhigh-power PWM grid-connected inverter circuit has a promising application prospect in high-voltage direct-current transmission and high-capacity new energy power generation occasions.