Abstract
Multilevel inverters (MLIs) have received a lot of attention in the power sector. The use of MLI to improve the power quality and performance of photovoltaic (PV) systems has increased significantly. The layout, expense, and voltage stress of an MLI connecting PV device are the main MLI constraints that must be optimized. This paper describes a five-level (5-L) inverter interfacing a single-stage tied to the grid to a PV system with a feedback control technique and a lower component count. The inverter will generate a higher voltage at the inverter output, indicating that it can raise the voltage. To prove the supremacy of the 5-L switched capacitor (SC) inverter, a comparative analysis is performed. A 3.424 kW PV system is used to test the feasibility of the 5-L SC inverter. The feedback control approach ensures that appropriate power monitoring, voltage balancing, proper SC inverter functioning, and the injection of clean sinusoidal grid current are maintained regardless of the dynamic changes that may occur. A 5-L SC inverter structure is used to do a thorough MATLAB/Simulation and experimental study.
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