Results 91 to 100 of about 25,281,968 (246)

Effects of thermal aging on moisture equilibrium in oil-paper insulation

open access: yes, 2018
Recent studies have reported that thermal aging of insulation paper affects its moisture absorption property, which can affect moisture equilibrium in oil-paper insulation.
Li, Huize   +13 more
core   +1 more source

Co0.05‐Bi2S3/CF Photothermal Layer Integrated With Freeze‐Cast Alumina Vertical Channels for Efficient Interfacial Solar Desalination

open access: yesElectron, EarlyView.
A bicomponent solar‐driven interfacial evaporator made of Co0.05‐Bi2S3/carbon foam (CF) (photothermal material) on a porous alumina substrate prepared by freeze‐casting, having vertically aligned microchannels and low thermal conductivity (k = (1.14 ± 0.06) W m−1 K−1), was explored.
Muzammil Hussain   +10 more
wiley   +1 more source

Experimental studies on the estimated life of oil-immersed insulation paper in traction transformers

open access: yes, 2020
Traction transformers are one of the most important equipment in the traction power supply system. Thermal aging of transformer insulation system determines its reliable life. To achieve an estimation of the insulation life of traction power transformers
Liao, Wei   +13 more
core   +1 more source

TRANSFORMER BUSHING WITH OIL-PAPER INNER 110 KV INSULATION [PDF]

open access: yes, 2021
In the course of the work, various designs of high-voltage bushings and their production technology at manufacturing plants were studied.
Бородин, К. И.   +3 more
core  

A Comprehensive Review of Fault‐Current Limiter Technologies for Smart and Resilient Power Systems

open access: yesEnergy Science &Engineering, EarlyView.
This review compares superconducting, solid‐state, and hybrid fault‐current limiters (FCLs) for modern alternating current, direct current, and hybrid grids. It shows that optimal FCL selection depends on fault characteristics, network configuration, voltage level, protection coordination, and resilience requirements rather than on a universally ...
Abdelrahman Farghly   +5 more
wiley   +1 more source

Bridging in contaminated transformer oil under DC and AC electric field

open access: yes, 2013
One of the key components in high voltage transmission and distribution systems are power transformers and their consistent operation is of utmost importance to energy utilities and users.
Wilson, G   +9 more
core   +1 more source

High‐performance heat‐resistant tactile sensor for intelligent sensing and safe operation

open access: yesFlexMat, EarlyView.
Abstract Tactile sensing in high‐temperature environments remains a critical challenge for robotic systems operating in industrial manufacturing, food processing, and other high‐temperature assembly operations. Herein, we report a heat‐resistant flexible tactile sensor with comprehensive high performance, featuring a hierarchical architecture ...
Yugang Chen   +8 more
wiley   +1 more source

Effects of Thermal Aging on Moisture Diffusion in Insulation Paper Immersed with Mineral Oil

open access: yes, 2018
Thermal aging of insulation paper has obvious effects on its moisture absorption property. The presented studies aim to investigating the effects of aging on moisture diffusion in oil-immersed insulation paper.
Li, Huize   +13 more
core   +1 more source

Triboelectric nanogenerators for vehicle intelligent cockpits

open access: yesFlexMat, EarlyView.
Converting mechanical stimuli from drivers and vehicle motion into electrical signals, triboelectric nanogenerators provide promising interfaces toward passive, flexible, distributed and intelligent sensing for next‐generation automotive cockpits to support three core functional dimensions: driver state monitoring, vehicle state monitoring, and human ...
Haiqiu Tan   +9 more
wiley   +1 more source

Heating the Inflation Inequality in Greece

open access: yesInternational Journal of Finance &Economics, EarlyView.
ABSTRACT The aim of the current study is twofold. First, we assess the household inflation inequality in Greece not only across different income groups but also across other households' social and economic characteristics, such as occupational status and household composition, among others.
Stavros Degiannakis   +2 more
wiley   +1 more source

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