Implementation of active NPC circuits in transformer-less single-phase inverter with low leakage current

L Zhou, F Gao, T Xu - IEEE Transactions on Industry …, 2017 - ieeexplore.ieee.org
Transformer-less grid-connected photovoltaic (PV) systems face the challenge of keeping
low leakage current due to their nonisolation configurations. To better attenuate the leakage …

Review of dual-buck-type single-phase grid-connected inverters

Z Yao - IEEE Journal of Emerging and Selected Topics in …, 2020 - ieeexplore.ieee.org
Shoot-through issue of traditional bridge-type grid-connected inverters (GCIs) imposes a risk
to GCIs' reliability and efficiency, so dual-buck-type single-phase GCIs are widely used in …

A highly reliable three-level neutral-point-clamped inverter with anti-shoot-through capability

X Wang, H Xiao, W Hua… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this article, a high-reliability three-level inverter construction method is proposed to
address the risks of shoot through in neutral-point-clamped inverter (NPC). Several highly …

Bidirectional transformerless EV charging system with low device cost and leakage current

L Zhou, M Preindl - 2018 IEEE Energy Conversion Congress …, 2018 - ieeexplore.ieee.org
In electric vehicles (EV), the charging circuit is an important component which needs to be
carefully designed. This research proposes a novel concept to reconfigure the traction circuit …

Novel Hybrid Neutral Point Clamped Inverter for Single-Phase Grid-Tied Transformerless Inverter

K Geetha, BV Sreenivasappa - International Journal of Renewable Energy …, 2021 - ijrer.org
Abstract The Grid-Tied inverter is one of the fast-evolving technology in the present era that
aims to support the centralized power generation system with a distributed power generation …

An Improved SI-ANPC Grid-Connected Inverter Without Short-Circuit and Circulating-Current Issues

X Wang, H Xiao - … and Electrical Engineering and 2023 IEEE …, 2023 - ieeexplore.ieee.org
To mitigate the risk of DC-link capacitors short-circuit occurred in neutral-point-clamped
(NPC) and active neutral-point-clamped (A-NPC) inverters, various topologies have …

A proposed five level inverter for transformerless photovoltaic grid-connected applications

G El-Menofy, DS Osheba, EE El-Kholy, A El-Hefnawy - 2022 - researchsquare.com
The transformerless inverter for grid-connected photovoltaic (PV) system has been an
increasing interest from researchers because of the benefits of smaller size, lower cost and …

Transformerless Three Phase NPC Inverter with Reduced Switches

L Zhou, F Gao, W Wang… - 2018 IEEE Energy …, 2018 - ieeexplore.ieee.org
In a photovoltaic grid connected system, the attenuation of the common mode voltage is one
of the main issues. Many single phase inverters have been proposed to improve the …

[PDF][PDF] An Overview on Single-phase Transformerless inverter topologies for Grid-tied PV system

G El-Menofy, AF Abdou, HZ Azazi… - Proceedings of 4th …, 2017 - icee-4.eb2a.com
Grid-tied inverters are the most important component in distributed generation system as
they have the main function to connect the renewable energy source to grid. The …