To Improve the Utilization of Grid-Connected Cascaded PV Modules by Multilevel Inverter Topology
Abstract
The integration of solar energy to the power grid is a challenging topic nowadays. Many topologies and control methods have already been proposed. In this Project a Modular cascaded H-bridge multilevel inverter is adopted for the photovoltaic (PV) energy integration. The purpose of this project is to develop a control strategy for the Modular cascaded H-bridge multilevel inverter with PV array as separate DC source.. In addition the costs for photovoltaic modules is drastically lowering. To comprehend this issue, a control plan with modulation compensation scheme is likewise proposed. An exploratory three-stage seven-level cascaded H-bridge inverter has been manufactured using nine H-bridge modules (three modules for each stage). Simulation results are introduced to confirm the practicality of the proposed approach.
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