Anita Yadav
Independent Researcher
India
Abstract
Solar energy systems are increasingly adopted worldwide as a clean and sustainable source of power. The inverter circuit is a critical component of photovoltaic (PV) systems, converting direct current (DC) generated by solar panels into alternating current (AC) suitable for grid integration and domestic use. This manuscript presents a comprehensive design approach for inverter circuits tailored for solar energy applications. Emphasis is placed on the selection of inverter topologies, control strategies, efficiency optimization, and reliability considerations as understood up to 2019. The study reviews common inverter designs such as Voltage Source Inverters (VSI), Current Source Inverters (CSI), and multilevel inverter configurations. Simulation results and experimental validations demonstrate the performance trade-offs between efficiency, total harmonic distortion (THD), and cost. The findings suggest that hybrid multilevel inverter designs offer an optimal balance for residential solar energy systems, facilitating grid compliance and improved power quality.
Keywords
Solar energy, inverter circuits, photovoltaic systems, voltage source inverter, multilevel inverter, total harmonic distortion, power conversion efficiency.
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