Abstract
This paper evaluates the performance of control technique based on Digital Pulse Width Modulation (DPWM) for single-phase grid-connected inverter application. Despite the importance of this synchronization technique, reports on its performance are scarce. The evaluation takes place in two simulation environments: ModelSim and MATLAB/Simulink. The performance of the technique expressed in Total Harmonic Distortion (THD) of Point of Common Coupling (PCC) current of the inverter is found to be 3.62%, a very good result on the standard of IEEE-519. This encouraging performance of this technique will result in injecting more renewable energy into the grid system, resulting in a more sustainable system.
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