Results 81 to 90 of about 2,009,340 (258)

Degradation studies of electrical, physical and chemical properties of aged transformer oil

open access: yesJournal of Physics: Conference Series, 2020
Transformer is crucial equipment in the transmission of electric power. Various types of insulating materials used in the transformer among those mineral oil or transformer oil is used for the insulation.
R. Sai   +5 more
semanticscholar   +1 more source

POSSIBILITY OF APPLICATION OF CRYSTALHIDRADES OF COBALT CHLORIDE FOR DRYING TRANSFORMER OILS

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2018
This paper presents the results of experiments for studying the possibility of using crystalline cobalt chloride for drying of transformer oils. It is shown that the use of crystalline hydrates of cobalt chloride for the drying of transformer oils leads ...
D. M. Valiullina   +2 more
doaj   +1 more source

Study Of Measurements Leakage Current In Oil Transformer

open access: yesDiyala Journal of Engineering Sciences, 2020
The oil transformer is used in (H.V ) ment's to avoid the electrical breakdown , and heat effect ,so that the oil using as an insulation  and cooling in electrical  instruments to prevent the failure in the transformer. In our research  the measurements
Hassan J. Mohammed
doaj   +1 more source

Digitizing the Filtration Interface: A Smart, Modular Janus Wood Platform for Self‐Reporting Oil/Water Remediation

open access: yesAdvanced Functional Materials, EarlyView.
This work developed a smart Janus wood membrane integrating asymmetric wettability with built‐in electrical sensing for oil‐water separation. The membrane achieved > 99.5% separation efficiency and high flux by leveraging wood's natural anisotropic pore structure.
Kaiwen Chen   +10 more
wiley   +1 more source

Thermal Management in 500 kV Oil-Immersed Converter Transformers: Synergistic Investigation of Critical Parameters Through Simulation and Experiment

open access: yesEnergies
Aimed at solving the problem of insulation failure caused by the local overheating of the oil-immersed converter transformer, this paper investigates the heat transfer characteristics of the 500 kV converter transformer based on the electromagnetic-flow ...
Zhengqin Zhou   +6 more
doaj   +1 more source

Breakdown Characteristics of Oil-Pressboard Insulation under AC-DC Combined Voltage and Its Mathematical Model

open access: yesEnergies, 2018
An AC-DC combined voltage is applied to the oil-pressboard insulation near the valve side during the operation of a converter transformer. To study the breakdown characteristics of an oil-pressboard insulation under such voltages, a typical plate ...
Qingguo Chen   +3 more
doaj   +1 more source

Pickering‐Engineered Microparticles for Magnetically Guided Motion and Light‐Triggered Catalysis

open access: yesAdvanced Functional Materials, EarlyView.
Magnetically responsive wax microparticles stabilized by hematite cubes through the Pickering emulsification strategy are developed, showing controlled size, motion, and light‐activated catalytic activity. Annealing under a magnetic field enhances their mobility and steering.
Chiara Ferlito   +6 more
wiley   +1 more source

Advances in Sustainable and Wearable Textile Based Soft Robotics

open access: yesAdvanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas   +6 more
wiley   +1 more source

Data-Driven-Based Full Recovery Technology and System for Transformer Insulating Oil

open access: yesEnergies
This study aims to develop an efficient recovery solution for waste transformer insulating oil, addressing the challenge of incomplete separation of residual oil in existing recovery technologies.
Feng Chen   +5 more
doaj   +1 more source

Algorithm for calculating influence of power transformer oil temperature change on the accuracy of allacoustic non-iterative partial discharge localization [PDF]

open access: yesFME Transactions, 2018
This article investigates the all-acoustic method for partial discharge localization in a power transformer. This method is based on mathematical model that uses multilateration with Time Difference of Arrival (TDOA) principle and non-itterative ...
Poluzanski Vladimir S.   +2 more
doaj  

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