Recently, medium (0.1-5 MW) and large (> 5 MW) scale photovoltaic (PV) power plants have
attracted great attention, where medium-voltage grid connection (typically 6-36 kV) is�…

The elimination of the output transformer from grid-connected photovoltaic (PV) systems not
only reduces the cost, size, and weight of the conversion stage but also increases the�…

For the safe operation of transformerless grid connected photovoltaic (PV) inverters, the
issue of common mode (CM) leakage current needs to be addressed carefully. In this paper�…

In this article, a novel step-up transformerless inverter topology is presented for the grid-
connected solar PV system. The proposed topology has the features of a dc-dc step-up�…

A new fundamental structure of a single-phase transformer-less grid connected multilevel
inverter based on a switched-capacitor structure is presented in this study. By employing the�…

Transformer-less multilevel inverters (MLIs) based on switched capacitors are gaining
importance due to the voltage boosting ability from a single-input DC source and inherent�…

In grid-connected photovoltaic (PV) systems, a transformer is needed to achieve the
galvanic isolation and voltage ratio transformations. Nevertheless, these traditional�…

Multilevel inverters are preferred solutions for photovoltaic (PV) applications because of
lower total harmonic distortion (THD), lower switching stress and lower electromagnetic�…

This paper presents a novel structure of the transformer-less grid-connected inverters. The
proposed inverter is combined with six power switches and two power diodes which can�…

Transformerless inverters are extensively employed in grid-connected photovoltaic (PV)
generation systems due to its advantages of achieving low cost and high efficiency�…