Results 81 to 90 of about 7,001 (296)

A Power Electronic Transformer with Low Voltage Ripple in DC Bus

Kongzhi Yu Xinxi Jishu, 2017
In high-voltage distribution network, cascaded H-bridge converter is often adopted in PET(power electronic transformer) to reach the voltage level of high-voltage side. As the DC bus of cascaded H-bridge converter has to be separated, the second harmonic
WANG You, ZHENG Zedong
doaj  

Analysis of Multicarrier PWM techniques for Photovoltaic fed Cascaded H-Bridge Multilevel Inverter [PDF]

Journal of Electrical and Electronics Engineering, 2017
Recently multilevel inverter technology emerging as an important alternative in the field of high power, medium voltage energy control. The various topologies for multilevel inverters such as diode-clamped, flying capacitor and cascaded H-bridge have ...
VENKATRAMAN Thiyagarajan, PERIYASAMY Somasundaram   +1 more
doaj  

A Transformerless Medium Voltage Multiphase Motor Drive System

Energies, 2016
A multiphase motor has several major advantages, such as high reliability, fault tolerance, and high power density. It is a critical issue to develop a reliable and efficient multiphase motor drive system.
Dan Wang, Jiawei Yang, Zhu Chen, Chengxiong Mao, Jiming Lu   +4 more
doaj   +1 more source

A Long‐Lived Human Neurovascular PENTA Culture Model Captures Incomplete Vascular Repair and Glia‐Associated Signaling After Traumatic Brain Injury

Advanced Healthcare Materials, EarlyView.
A long‐lived, five‐cell‐type human neurovascular (PENTA) model recreates vascular disorganization and incomplete repair after traumatic brain injury (TBI). By integrating endothelial, glial, neuronal, and immune components within a 3D scaffold, the platform enables time‐resolved analysis of neurovascular remodeling and provides a human‐relevant system ...
Daniel S. Hinrichsen, Sunghyun Jun, Colleen M. Arrasmith, Charitha C. Anamala, Mitchell D. Thielen, Anapaula Garcia, Volha Liaudanskaya   +6 more
wiley   +1 more source

A transformerless single-phase multilevel converter for grid-tie renewable energy systems

Energy Reports, 2020
A multilevel converter produces a high quality output voltage waveform therefore requires less filtering in grid-tie systems. Cascaded H-bridge converter is a favourable topology for a hybrid renewable and storage system due to isolated DC source ...
Izgun Gunsal, David A. Stone, Martin P. Foster   +2 more
doaj   +1 more source

Analysis of Cascaded H-Bridge Multilevel Solar Inverter

, 2022
Inverter used to convert Direct Current (DC) into Alternating current (AC), at first the working of basic H-bridge single phase inverter explained, which is carry forward with the explanation of cascaded H-bridge inverter. There are two linear transformers are used in design of Cascaded H Bridge solar inverter which is described in block diagram of ...
Gajender Singh, Dr. M.K. Bhaskar, Parihar, Manish, Dharmendra Jain   +3 more
openaire   +1 more source

A cascaded H-bridge multilevel inverter with photovoltaic MPPT control

This article presents the five levels H-Bridge cascaded multilevel inverter with photovoltaic MPPT control. The power source is composed of photovoltaic panels used as DC inputs for the cascaded H-Bridge Multilevel Inverter.
Boulezhar, Abdelkader, afou, Youssef EL, Ezzouitine, Khadija   +2 more
core   +1 more source

Processing ultrafast optical signals in broadband telecom systems by means of cascaded quadratic nonlinearities [PDF]

, 2006
Quadratic optical nonlinearities offer several attractive features for the implementation of ultra-fast, low-noise and transparent telecom devices.
David Richardson, Gallo, Katia, Richardson, David, Richardson, David J., Prawiharjo, Jerry, Francesca Parmigiani, Paulo Almeida, Parmigiani, Francesca, Jerry Prawiharjo, Gallo, Katia,, Periklis Petropoulos, Almeida, Paulo, Katia Gallo, Petropoulos, Periklis   +13 more
core   +1 more source

Packed for Ossification: High‐Density Bioprinting of hPDC Spheroids in HAMA Toward Endochondral Ossification

Advanced Healthcare Materials, EarlyView.
Human periosteum‐derived cell spheroids bioprinted at high density within a hyaluronic acid matrix promote fusion and hypertrophic cartilage formation in vitro. Early encapsulation enhances spheroid interaction and matrix maturation, generating scalable cartilage templates intended for endochondral bone regeneration.
Ane Albillos Sanchez, Maria Paula Marks, Paula Casademunt, Adrián Seijas‐Gamardo, Ioannis Papantoniou, Lorenzo Moroni, Carlos Mota   +6 more
wiley   +1 more source

Advanced Power Quality Enhancement and Harmonic Filtering in Solar Photovoltaic Integrated Cascaded H-Bridge Inverters

Electrica
Globally, grid-connected solar power systems are growing in popularity, but a significant challenge is optimizing output power while preserving excellent power quality.
Vijay S. Pawar, Prashant J. Gaidhane
doaj   +1 more source