Results 21 to 30 of about 15,753 (265)

The Application Three-phase to Single-phase Z-Source Matrix Converter in Wind Turbine [PDF]

open access: yesJournal of Intelligent Procedures in Electrical Technology, 2017
In this paper a new idea of direct three-phase to single-phase Z-source matrix converter (impedance-source matrix converter) applicable in stand-alone wind turbine is introduced.
vahid asadi rad   +2 more
doaj  

Multilevel Converter by Cascading Two-Level Three-Phase Voltage Source Converter

open access: yesEnergies, 2018
This paper proposes a topology using isolated, cascaded multilevel voltage source converters (VSCs) and employing two-winding magnetic elements for high-power applications.
Abdullrahman A. Al-Shamma’a   +4 more
doaj   +1 more source

Improved Quasi-Z-Source High Step-Up DC–DC Converter Based on Voltage-Doubler Topology

open access: yesSensors, 2022
The step-up DC–DC converter is widely used for applications such as IoT sensor nodes, energy harvesting, and photovoltaic (PV) systems. In this article, a new topological quasi-Z-source (QZ) high step-up DC–DC converter for the PV system is proposed. The
Toru Sai   +2 more
doaj   +1 more source

GridConnected CapacitorTapped MultiModule Voltage Source Converter

open access: yesQatar Foundation Annual Research Conference Proceedings Volume 2018 Issue 1, 2018
In this work, a new dc-ac converter is proposed for grid integration purposes, namely, capacitor-tapped multi-module dc-ac voltage source converter. The main advantages of the proposed converter when compared with the conventional dc-ac modular multilevel converter (assuming the same voltage rating of semiconductor devices) are: (i) employment of a ...
Elserougi, Ahmed Abbas   +2 more
openaire   +2 more sources

Isomorphic Relationships Between Voltage-Source and Current-Source Converters [PDF]

open access: yesIEEE Transactions on Power Electronics, 2019
Graph isomorphism phenomenon has been identified since the 1930s, which was first addressed in the graph-theoretical field and was thoroughly studied as a critical topic of computer science. In many research disciplines, isomorphism theory and dual principles are identified as powerful tools in the study of related subjects.
Yuzhuo Li, Li Ding, Yun Wei Li
openaire   +1 more source

Modified A-Source Converter Operating at Lower Voltage Stress

open access: yesIEEE Access, 2019
The coupled inductor based Z-source converter produces higher voltage gain with lower number of components count. In this paper, a new two winding mutually coupled inductor based Z-source DC-DC converter is proposed to boost the voltage gain.
Avneet Kumar   +5 more
doaj   +1 more source

High Voltage Gain Switched-Z-Source Bidirectional DC-DC Converter

open access: yesIEEE Access, 2022
The DC-DC converters are the essential modules in electric vehicles, grid interface of renewable energy sources and DC power supplies. This paper presents a novel high gain bidirectional switched Z-source DC-DC converter.
Anish Ahmad   +4 more
doaj   +1 more source

Switched-Capacitor High Voltage Gain Z-Source Converter With Common Ground and Reduced Passive Component

open access: yesIEEE Access, 2021
Conventional dc-dc Boost converter has limited boost capacity, and its power device suffers high voltage stress. A novel Z-source based dc-dc boost converter featured with high step-up capability and low device voltage stress is proposed in this paper ...
Jiawei Zhao, Daolian Chen
doaj   +1 more source

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

open access: yesFEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi   +5 more
wiley   +1 more source

A Novel Hybrid Compensation Method Reducing the Effects of Distorted Input Voltages in Matrix Converters

open access: yesElektronika ir Elektrotechnika, 2019
Matrix converters have the most compact and efficient AC-AC converter structure due to the lack of the DC intermediate components. The matrix converter makes a single-stage conversion directly connecting any terminal of voltage source to any terminal of ...
Hulusi Karaca, Ramazan Akkaya
doaj   +1 more source

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