Results 41 to 50 of about 108,462 (347)

Comparison of single-phase matrix converter and H-bridge converter for radio frequency induction heating [PDF]

, 2007
This paper compares the newly developed single-phase matrix converter and the more conventional H- bridge converter for radio frequency induction heating.
Bingham, Chris, Foster, M. P., Nguyen-Quang, N., Stone, D. A.   +3 more
core   +1 more source

Improvement Of Power Quality In Hvdc Transmission Systems With Auxiliary Converters

Eletrônica de Potência, 2007
This paper intends to discuss some practical results of the reverse-use of the harmonic distortion energy from idle periods in conventional HVDC converters.
J. B Parizzi, F. A Farret, A. B. Serdotte   +2 more
doaj   +1 more source

Power loss investigation in HVDC for cascaded H-bridge multilevel inverters (CHB-MLI) [PDF]

, 2015
In the last decade, the use of voltage-source multilevel inverters in industrial and utility power applications has been increased significantly mainly due to the many advantages of multilevel inverters, compared to conventional two level inverters ...
Alamri, B, Darwish, M
core   +1 more source

A filter design approach to maximize ampacity of cables in nonsinusoidal power systems [PDF]

, 2015
This paper presents an optimal design of the C-type passive filters for the effective utilization of the power cables under nonsinusoidal conditions based on maximization of the harmonic derating factor (HDF) of a power cable, where maintaining the load ...
Abdel Aleem, SHE, Balci, ME, Sakar, S, Zobaa, A   +3 more
core   +1 more source

Hands‐on protocol for preparing water‐soluble fractions from agri‐food samples for NMR‐based metabolomics analysis

FEBS Open Bio, EarlyView.
This research protocol outlines a workflow for nuclear magnetic resonance (NMR)‐based metabolomics in the agri‐food sector. Using two case studies—strawberry leaves (solid matrix) and wine (liquid matrix)—it details the procedures for sample preparation, data acquisition, and processing.
Andrea Fernández‐Veloso, Jaime Hiniesta‐Valero, Alejandra Guerra‐Castellano, Miguel A. De la Rosa, Irene Díaz‐Moreno   +4 more
wiley   +1 more source

Precise modelling of switching and conduction losses in cascaded h-bridge multilevel inverters [PDF]

, 2014
Nowadays, voltage source multilevel inverters are being used extensively in industry due to its many advantages, compared to conventional two level inverters, such as higher output voltage at low switching frequency, low voltage stress(dv/dt), lower ...
Alamri, B, Darwish, M
core   +1 more source

Understanding bio‐based polymers: A study of origins, properties, biodegradation and their impact on health and the environment

FEBS Open Bio, EarlyView.
This review provides an overview of bio‐based polymer sources, their unique functional properties and their environmental impact, and addresses their role as sustainable alternatives. It discusses end‐of‐life options, including composting and anaerobic digestion for renewable energy.
Sabina Kolbl Repinc, Blaž Stres, Mirica Karlovits, Igor Karlovits, Petra Jerič, Ondrej Panák, Anja Verbič, Blaž Likozar, Uroš Novak   +8 more
wiley   +1 more source

Low order harmonic cancellation in a grid connected multiple inverter system via current control parameter randomization [PDF]

, 2005
In grid connected multiple inverter systems, it is normal to synchronize the output current of each inverter to the common network voltage. Any current controller deficiencies, which result in low order harmonics, are also synchronized to the common ...
Abeyasekera, T.D., Armstrong, M., Atkinson, D.J., Johnson, C.M.   +3 more
core   +1 more source

CSF Levels of NPTX2 Are Associated With Less Brain Atrophy Over Time in Cognitively Unimpaired Individuals

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Introduction Neuronal pentraxin 2 (NPTX2) is a synaptic protein involved in synaptic plasticity and regulation of neuronal excitability. Lower baseline cerebrospinal fluid (CSF) NPTX2 levels have been shown to be associated with an earlier onset of mild cognitive impairment (MCI), a pre‐dementia syndrome, even after CSF Alzheimer's Disease (AD)
Juan P. Vazquez, Corinne Pettigrew, Yuxin Zhu, Claire Anderson, Guray Erus, Christos Davatzikos, Michael Miller, Abhay Moghekar, Sungtaek Oh, Chan‐Hyun Na, Marilyn Albert, Paul Worley, Anja Soldan   +12 more
wiley   +1 more source

Assessment of non-sinusoidal reactive power of shunt capacitors in the presence of distorted substation voltage in radial distribution systems

Ain Shams Engineering Journal, 2018
In this paper, an analytical assessment of non-sinusoidal reactive power of shunt capacitors in the presence of substation voltage harmonics in radial distribution systems has been attempted.
Narinder Kumar, Ashwani Kumar
doaj   +1 more source