Results 1 to 10 of about 25,960 (114)

High Efficiency Transformerless Photovoltaic DC/AC Converter with Common Mode Leakage Current Elimination: Analysis and Implementation

Energies, 2022
Photovoltaic (PV) electricity is widely used because of its positive environmental impact. To properly feed this energy into the grid, an electronic power converter, known as a PV inverter, is needed, which may or may not use a transformer.
Jorge Cardoso, Rodolfo Orosco, Nimrod Vazquez, Héctor López, Claudia Hernandez, Joaquin Vaquero   +5 more
doaj   +3 more sources

Wafer-Level Transfer of GaN-on-Si Light-Emitting Devices via SiO₂–SiO₂ Direct Bonding: Strain Evolution and Optoelectronic Performance [PDF]

Micromachines
GaN-on-Si light-emitting devices have been widely studied in the field of opto-electronics, while their optical performance and characterization accessibility are severely limited by the strong visible light absorption of the native silicon substrate ...
Siyi Zhang, Shuhan Zhang, Qian Fan, Xianfeng Ni, Xing Gu   +4 more
doaj   +2 more sources

Development and analysis of a seven-level common- ground switched-capacitor inverter topology [PDF]

Scientific Reports
This paper presents a novel Seven-Level Common-Ground Switched-Capacitor Boost Inverter (7L-CG-SCBI) topology with high efficiency, voltage boosting feature, and reduced leakage current for renewable energy applications.
Adil Sarwar, Samina Parween, Mohammad Zaid, Mohammed A. AlAqil, Md Shafiul Alam, Mohammad Ali   +5 more
doaj   +2 more sources

A New Topology of Single-Phase Common Ground Buck-Boost Inverter With Component Voltage Rating Reduction

IEEE Access, 2023
The combination of conventional front-end DC-DC converter and H-bridge inverter has been proposed with common-ground (CG) characteristic and voltage booting capability.
Vinh-Thanh Tran, Khai M. Nguyen, Duc-Tri Do, Youn-Ok Choi   +3 more
doaj   +1 more source

A new transformer‐less common grounded five‐level grid‐tied inverter with leakage current elimination and voltage boosting capability for photovoltaic applications

IET Renewable Power Generation, 2023
Due to serious Concerns such as air pollution, global warming, and fossil fuels shortcoming, renewable energy sources such as photovoltaic applications are dramatically being integrated into the power generation systems all of the world.
Naser Vosoughi Kurdkandi, Milad Ghavipanjeh Marangalu, Peyman Alavi, Amirreza Zarrin Gharehkoushan, Saeed Rahimpour, Md Rabiul Islam, Kashem M. Muttaqi   +6 more
doaj   +1 more source

A New Transformer-Less Single-Phase Photovoltaic Inverter to Improve the Performance of Grid-Connected Solar Photovoltaic Systems

Energies, 2022
Photovoltaic (PV) energy systems have found diverse applications in fulfilling the increasing energy demand worldwide. Transformer-less PV inverters convert the DC energy from PV systems to AC energy and deliver it to the grid through a non-isolated ...
Mohua Biswas, Shuvra Prokash Biswas, Md. Rabiul Islam, Md. Ashib Rahman, Kashem M. Muttaqi, S. M. Muyeen   +5 more
doaj   +1 more source

Multilevel common‐ground inverter with voltage boosting for PV applications

IET Power Electronics, 2021
Nowadays, transformer‐less Photovoltaic‐based grid‐connected inverters are more popular in renewable energy application due to their reduced size, cost, and high efficiency.
Sangeeta Kumari, Arun Kumar Verma, Sandeep N, Udaykumar R. Yaragatti, Hemanshu Roy Pota   +4 more
doaj   +1 more source

Highly Efficient Transformerless Inverter with Flying-Capacitor Buck–Boost for Single-Phase Grid-Connected PV Systems

Applied Sciences, 2021
Grid-connected inverters (GCI) are commonly used in PV system applications to generate a regulated AC current to feed into the grid. Transformerless inverters are the most advanced inverters that are used in industry, which provide efficiency with ...
Ali Salem, Khaled Sedraoui
doaj   +1 more source

An Improved Proposed Single Phase Transformerless Inverter with Leakage Current Elimination and Reactive Power Capability for PV Systems Application

Journal of Low Power Electronics and Applications, 2018
Single-phase transformerless inverters are broadly studied in literature for residential-scale PV applications due to their great advantages in reducing system weight, cost and elevating system efficiency. The design of transformerless inverters is based
Fahad Almasoudi, Mohammad Matin
doaj   +1 more source

Study on the Influence of KOH Wet Treatment on Red μLEDs

Crystals, 2023
InGaN-based red micro-light-emitting diodes (µLEDs) of different sizes were prepared in this work. The red GaN epilayers were grown on 4-inch sapphire substrates through metal-organic chemical vapor deposition (MOCVD). Etching, sidewall treatment, and p-
Shuhan Zhang, Qian Fan, Xianfeng Ni, Li Tao, Xing Gu   +4 more
doaj   +1 more source