The article investigates the issue of voltage inverter synchronization based on a self-oscillating D-class amplifier in the presence of a nonlinear rectifier load. A simulation of a Dclass auto-generating amplifier in the MATLAB/SIMULINK environment was carried out. The methods for synchronizing two such voltage inverters were considered. For the first time, phaselocked loop frequency synchronization was applied to a D-class autogenerator amplifier with itself or with a network. Simulation was carried out using an environment, and as a result, the invariance of the inverter operation consisting of a D-class autogenerating amplifier and a phase-locked loop synchronization (PLL) with respect to the connected load was demonstrated.