Modular Multilevel Converter-Based Photovoltaic Three-Phase System Operating Under Unbalanced Grid Conditions
This paper proposes a control strategy for a modular multilevel converter (MMC)-based photovoltaic (PV) system operating under non-homogeneous irradiance and unbalanced grid voltage conditions. The considered topology integrates PV units directly into the MMC submodules, enabling distributed maximum power point trackin...