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@article{179422,
author = {Akshaya Raghu and Akhil A G},
title = {Enhanced Five-Level Inverter Design with Lower Leakage Current for Photovoltaic Applications},
journal = {International Journal of Innovative Research in Technology},
year = {2025},
volume = {11},
number = {12},
pages = {6181-6187},
issn = {2349-6002},
url = {https://ijirt.org/article?manuscript=179422},
abstract = {There’s a noticeable rise happening in the
utilization of renewable energy sources, and the usage
of photovoltaic cells to capture solar radiation and
convert it into electrical power is growing.Since
photovoltaic cells generate DC voltage, an inverter is
required to connect them to the AC power grid, either
directly or through a transformer. Transformerless
inverters are widely preferred due to their reduced
cost, lower power losses, and lightweight construction.
However, one of the primary challenges associated
with these inverters is the presence of leakage
currents, which need to be effectively mitigated. In this
study, a novel dual-connection topology is introduced
to stabilize the common-mode voltage and significantly
reduce leakage current. The proposed inverter
generates a five-level output voltage, which contributes
to lower harmonic distortion in the output current
when compared to conventional two-level or threelevel inverters. The operational principles and output
characteristics of the new topology are thoroughly
analyzed. Simulation of the inverter circuit was
conducted using MATLAB/Simulink, and its
performance was evaluated against several established
inverter designs.},
keywords = {},
month = {May},
}
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