Comparison Between Two Modulation Strategies for the 3L-DC-SSI

摘要

This paper presents the comparison of two modulation techniques, a carrier based PDPWM with third harmonic injection, and a double-sided modulation, for the Three Level Diode-Clamped Split-Source Inverter (3L-DC-SSI) and shows each benefits and drawbacks. The 3L-DC-SSI is applied to the electrical vehicle (EV) context since it has the advantage of operating with two isolated DC sources, being able to potentially ally the photovoltaic energy generation with an energy storing system commonly used in EVs. For this purpose, both modulation approaches are tested via simulation and the results are compared.