Transformerless inverter topologies for single-phase photovoltaic systems: A comparative review

MNH Khan, M Forouzesh, YP Siwakoti… - IEEE Journal of …, 2019 - ieeexplore.ieee.org
In photovoltaic (PV) applications, a transformer is often used to provide galvanic isolation
and voltage ratio transformations between input and output. However, these conventional …

A comprehensive review on multilevel inverters for grid-tied system applications

M Salem, A Richelli, K Yahya, MN Hamidi, TZ Ang… - Energies, 2022 - mdpi.com
Multi-level inverters (MLIs) have been widely used in recent years due to their various
advantages in industrial and grid-connected applications. Traditional MLI topologies are …

Bidirectional clamping-based H5, HERIC, and H6 transformerless inverter topologies with reactive power capability

KS Kumar, A Kirubakaran… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Transformerless inverters (TLIs) are competently accepted for photovoltaic (PV) applications
because of their high efficiency, reduced size, and lower cost. But in the absence of a …

A new five-level switched-capacitor-based transformer-less common-grounded grid-tied inverter

MG Marangalu, SH Hosseini… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
This paper proposes a new switched-capacitor grid-tied inverter. The proposed topology can
eliminate leakage current using a common-grounded strategy. Also, the proposed topology …

Performance comparison of single-phase transformerless PV inverter systems

YR Kafle, GE Town, X Guochun… - 2017 IEEE Applied …, 2017 - ieeexplore.ieee.org
Removing the isolation transformer in grid-connected photovoltaic (PV) inverters is desirable
to increase efficiency and reduce the size, weight, and cost of these systems. However, it …

Effects of modulation techniques on leakage ground currents in a grid‐tied transformerless HB‐NPC inverter

JF Martinez‐Garcia… - IET Renewable …, 2019 - Wiley Online Library
In this paper, a comparative study of modulation techniques used in a transformerless H‐
bridge neutral point clamped (HB‐NPC) multilevel inverters is presented. Transformerless …

A Study on Various Conditions Impacting the Harmonics at Point of Common Coupling in On-Grid Solar Photovoltaic Systems

TA Naidu, HM Ali Ahmed Albeshr, A Al-Sabounchi… - Energies, 2023 - mdpi.com
Renewable penetration, particularly the increasing deployment of PV by residential
customers, organizations, and utilities, is leading to the rapid evolution of the power grid …

Design and implementation of new topology for solar PV based transformerless forward microinverter

M Premkumar, TR Sumithira - Journal of Electrical Engineering & …, 2019 - Springer
Recently, transformerless inverters play a vital role for single phase low voltage solar
photovoltaic (PV) system due to low cost, lesser weight, small size and high efficiency …

Utilização da lógica fuzzy aplicada à energia solar

FO de Godoy, EZ Godinho, RS Daltin… - … de Ciência & …, 2020 - seer.sct.embrapa.br
A lógica fuzzy é uma metodologia para expor dados imprecisos e qualitativos, comuns na
comunicação humana, em uma sequência e forma compreensíveis pelos computadores …

Noninvasive Model-Based Open-Circuit Switch Fault Detection of AC-Bypass Leg Switches in Transformerless PV Inverter

MW Ahmad, NBY Gorla, H Malik… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
Transformerless inverters are being used for integrating photovoltaic (PV) sources into the
grid. Highly efficient and reliable inverter concept (HERIC) inverter is one such topology …