Transformer-less Grid Connected PV Inverter for Single Phase System
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 3, Issue 6
Abstract
There is a strong trend in the photovoltaic inverter technology to use transformer-less topologies in order to acquire higher efficiencies combining with very low ground leakage current. The DC/AC inverters are used in gridconnected PV energy production systems as the power processing interface between the PV energy source and the electric grid. The energy injected into the electric grid by the PV installation depends on the amount of power extracted from the PV power source and the efficient processing of this power by the DC/AC inverter. This paper presents a new methodology for optimal design of transformer-less photovoltaic (PV) inverters targeting a costeffective deployment of grid-connected PV systems. The proposed configuration cannot only boost the usually low photovoltaic (PV) array voltage, but can also convert the solar dc power into high quality ac power for feeding into the grid. Simulation results confirm the performance of proposed system.
Authors and Affiliations
Vijay Suryawanshi *
Keywords
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