Results 51 to 60 of about 14,714 (276)

Developed cascaded multilevel inverter topology to minimise the number of circuit devices and voltage stresses of switches [PDF]

open access: yes, 2014
In this study, a novel structure for cascade multilevel inverter is presented. The proposed inverter can generate all possible DC voltage levels with the value of positive and negative.
Adjami, Ali   +3 more
core   +1 more source

Solution‐Processed Two‐Dimensional Indium Oxide on Sodium‐Embedded Alumina for Reconfigurable Optoelectronic Synaptic Transistors

open access: yesAdvanced Functional Materials, EarlyView.
Wafer‐scale two‐dimensioanl In2Se3 oxidized into InOx on sodium‐embedded beta‐alumina enables multifunctional reconfigurable electronics. Sodium ions accumulate within distinct spatial distribution under drain‐controlle and gate‐controlled operation. Drain‐control operation gives controllability of ultraviolet‐driven optoelectronic synaptic conductance
Jinhong Min   +13 more
wiley   +1 more source

Investigating the Converter-Driven Stability of an Offshore HVDC System

open access: yesEnergies, 2021
Offshore wind farms are increasingly built in the North Sea and the number of HVDC systems transmitting the wind power to shore increases as well. To connect offshore wind farms to adjacent AC transmission systems, onshore and offshore modular multilevel
Matthias Quester   +5 more
doaj   +1 more source

Stabilization of voltages on capacitors of cells in modular multilevel inverters with space-vector PWM [PDF]

open access: yes, 2019
За последние два десятилетия появился новый тип полупроводниковых преобразователей электроэнергии –модульные многоуровневые преобразователи. Данная топология схемотехнически состоит из n-го числа последовательно включенных транзисторно-емкостных модулей ...
Нерубацкий, Владимир Павлович   +2 more
core   +1 more source

Decellularized Extracellular Matrix (dECM) in Tendon Regeneration: A Comprehensive Review

open access: yesAdvanced Healthcare Materials, EarlyView.
Decellularized Extracellular Matrix (dECM) offers a promising solution by replicating the native tendon microenvironment and promoting regeneration. This review highlights advances in the decellularization methods, as well as their integration with emerging technologies and translational progress in tendon tissue engineering.
Kumaresan Sakthiabirami   +4 more
wiley   +1 more source

Control of AC/DC Modular Multilevel Converter

open access: yesElektronika ir Elektrotechnika, 2018
In recent years, a special attention is paid to grid connected multilevel converters. These converters have specific use in industry in a high power, medium-voltage and high-voltage applications. This paper presents new control algorithm for single-phase
Vojtech Blahnik   +3 more
doaj   +1 more source

Respiratory Organ‐on‐a‐Chip for Disease Modeling: From Architecture to Functional Integration

open access: yesAdvanced Healthcare Materials, EarlyView.
Respiratory organ‐on‐a‐chip (ROC) models capture key mechanical and cellular cues of the human respiratory system, enabling quantitative dissection of disease mechanisms. This review links ROC architectures to disease modeling, functional integration, and commercialization, and proposes a decision framework that aligns model complexity with mechanistic
Jinzhuo Hu   +4 more
wiley   +1 more source

Research on flexible uninterrupted neutral section passing system based on V-clamp multilevel converter

open access: yesEnergy Reports, 2023
This paper proposes a novel flexible uninterrupted neutral section passing system based on four-leg V-clamp multilevel converter (VMC). It can better solve a series of problems such as overvoltage, overcurrent and speed loss caused by the interruptible ...
Jiawei Guo   +4 more
doaj   +1 more source

Quasi Two-Level PWM Operation of an MMC Phase Leg with Reduced Module Capacitance [PDF]

open access: yes, 2016
The modular multilevel converter offers benefits for medium and high voltage power conversion due to indirect series connection of devices. The drawback is a large amount of capacitance that has to be installed in each module, often prohibiting its use ...
Kucka, Jakub, Mertens, Axel
core   +2 more sources

Power Decoupling Control for Modular Multilevel Converter

open access: yesIEEE Transactions on Power Electronics, 2018
The existing power decoupling control method of modular multilevel converter (MMC) was developed from that of conventional two-level voltage source converters. Therefore, it cannot fully realize power decoupling due to neglecting the coupling effects from submodule capacitor voltage, dc current, circulating current as well as control strategies of ...
Jinyu Wang, Peng Wang
openaire   +3 more sources

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