Results 51 to 60 of about 644,124 (298)

Corona characteristics of conductor with TiO(2) hydrophilic film subjected to DC high voltage

open access: yesThe Journal of Engineering, 2019
Water drops on the surface of conductors influence the ambient electric fields and decrease corona inception voltage. A conductor coated with TiO(2) film was developed to prevent effects of droplets.
Xingming Bian   +6 more
doaj   +1 more source

A novel distance protection scheme using single‐ended transient voltage based on generalized S transform

open access: yesIET Generation, Transmission & Distribution, 2022
Concerning the distance protection steady‐state over‐reach or under‐reach caused by the transition resistance, a novel distance protection scheme based on transient information is proposed.
Yifan Li   +4 more
doaj   +1 more source

Electroactive Metal–Organic Frameworks for Electrocatalysis

open access: yesAdvanced Functional Materials, EarlyView.
Electrocatalysis is crucial in sustainable energy conversion as it enables efficient chemical transformations. The review discusses how metal–organic frameworks can revolutionize this field by offering tailorable structures and active site tunability, enabling efficient and selective electrocatalytic processes.
Irena Senkovska   +7 more
wiley   +1 more source

Analysis of Experimental Data from a Concentrating Parabolic Solar Plant and Comparison with Simulation Model Results

open access: yesEnergies
Among the concentrating solar power (CSP) technologies, the parabolic trough (PT) solar collector is a proven technology mainly used to produce electricity and heat for industrial processes.
Giuseppe Canneto   +3 more
doaj   +1 more source

Transient electric field of the combined insulation structure under positive periodic square waveform voltage: Analytical analysis and application

open access: yesHigh Voltage, 2022
The working voltage of the high‐voltage high‐power electronic devices is the positive periodic square waveform (PPSW) voltage, which is much different from the conventional AC or DC voltage.
Teng Wen   +4 more
doaj   +1 more source

Alaska Energy Statistics 1960-2011 Final Report [PDF]

open access: yes, 2013
This twenty-sixth edition of the Alaska Energy Statistics reconciles energy data from public sources and makes that data more easily available to the public and stakeholders.
Fay, Ginny   +2 more
core  

Energy storage : the route to liberation from the fossil fuel economy? [PDF]

open access: yes, 2008
If a low-carbon energy strategy is to be developed up to 2050, renewable energy sources will need to be deployed on a large scale against a scenario of increasing global energy demand.
EPSRC (Funder), Hall, Peter J.
core   +1 more source

3D‐Printed Sulfur‐Derived Polymers With Controlled Architectures for Lithium‐Sulfur Batteries

open access: yesAdvanced Functional Materials, EarlyView.
Rheology‐guided formulation design for direct ink writing enables the fabrication of 3D sulfur copolymer cathodes with controlled architectures for lithium‐sulfur batteries. The printed electrodes exhibit multiscale porosity and high sulfur utilization, delivering enhanced electrochemical performance compared to conventional cast electrodes.
Bin Ling   +7 more
wiley   +1 more source

Auto‐Generated Valence States in Electrocatalysts for Boosting Oxygen and Hydrogen Evolution Kinetics in Alkaline Water/Alkaline Seawater/Simulated Seawater/Natural Seawater

open access: yesAdvanced Functional Materials, EarlyView.
This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari   +4 more
wiley   +1 more source

Influence of the clamping force on the power cycling lifetime reliability of press pack IGBT sub-module

open access: yesThe Journal of Engineering, 2019
The clamping force is the most important parameter of Press Pack IGBTs (PP IGBTs) as it not only affects the electrical, thermal, and mechanical characteristic, but also the long lifetime reliability.
Erping Deng   +5 more
doaj   +1 more source

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