Leakage current reduction in single-phase grid-connected inverters—A review

AA Estévez-Bén, A Alvarez-Diazcomas… - Applied Sciences, 2020 - mdpi.com
The rise in renewable energy has increased the use of DC/AC converters, which transform
the direct current to alternating current. These devices, generally called inverters, are mainly …

Five-level transformerless inverter for single-phase solar photovoltaic applications

FB Grigoletto - IEEE Journal of Emerging and Selected Topics …, 2019 - ieeexplore.ieee.org
Transformerless inverters are extensively employed in grid-connected photovoltaic (PV)
generation systems due to its advantages of achieving low cost and high efficiency …

A single-phase transformer-less grid-tied inverter based on switched capacitor for PV application

Q Meng, T Liu, C Su, H Niu, Z Hou… - Journal of Control …, 2020 - Springer
In this paper, a transformer-less grid-tied single-phase inverter is proposed which is directly
connected to the topology. The voltage across the leakage capacitor has the base …

Topology review of doubly grounded transformer‐less single‐phase inverters

Z Yao - IET Power Electronics, 2023 - Wiley Online Library
Photovoltaic (PV) transformer‐less single‐phase inverters are widely used in the solar
generation systems because of low cost, high power density, and high efficiency. However …

A new single-phase transformerless grid-connected inverter with boosting ability and common ground feature

N Vosoughi, SH Hosseini… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
A new scheme of single-phase transformerless grid-connected inverter is presented in this
article. By employing the series-parallel switching conversion of the integrated switched …

High-efficiency and high-density single-phase dual-mode cascaded buck–boost multilevel transformerless PV inverter with GaN AC switches

Q Huang, AQ Huang, R Yu, P Liu… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper introduces a high-efficiency and high-density single-phase dual-mode cascaded
buck-boost multilevel transformerless photovoltaic (PV) inverter for residential application …

Modified single-phase single-stage grid-tied flying inductor inverter with MPPT and suppressed leakage current

MT Azary, M Sabahi, E Babaei… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
In this paper, an improved transformerless single-phase single-stage grid-tied flying inductor
inverter is presented. The negative terminal of the photovoltaic (PV) array is grounded in the …

High-efficiency two-stage three-level grid-connected photovoltaic inverter

JS Kim, JM Kwon, BH Kwon - IEEE Transactions on Industrial …, 2017 - ieeexplore.ieee.org
This paper proposes a high-efficiency two-stage three-level grid-connected photovoltaic
(PV) inverter. The proposed two-stage inverter comprises a three-level step-up converter …

Multilevel common-ground transformerless inverter for photovoltaic applications

FB Grigoletto - IEEE Journal of Emerging and Selected Topics …, 2020 - ieeexplore.ieee.org
Transformerless inverters have attracted great attention since they became a compact and
economic solution for photovoltaic (PV) generation systems. On the other hand, the common …

A single-phase transformerless common-ground type PV inverter with active power decoupling

H Tian, M Chen, G Liang, X Xiao - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
To solve the problems of existing nonisolated PV grid-connected inverters, such as leakage
current, power pulsation, and harmonic current, a single-phase common-ground-type …