Results 31 to 40 of about 2,009,340 (258)

Analysis of Influence of Moisture Content Ondielectric Properties of Transformer Oil after Aging

open access: yesJournal of Harbin University of Science and Technology, 2020
Transformer oil is an important liquid insulating medium in oil-immersed power transformers,which has the functions of arc extinguishing,insulation and cooling.
JIA Hai-feng   +4 more
doaj   +1 more source

Estimation of Life Cycle of Distribution Transformer in Context to Furan Content Formation, Pollution Index, and Dielectric Strength

open access: yesIEEE Access, 2021
Distribution transformer is the most vital component in the power system. Failure of a transformer leads to loss of revenue besides affecting the reliability of power supply to consumers.
Rajkumar Soni   +5 more
doaj   +1 more source

Application of WO3 Hierarchical Structures for the Detection of Dissolved Gases in Transformer Oil: A Mini Review. [PDF]

open access: yesFront Chem, 2020
Oil-immersed power transformers are considered to be one of the most crucial and expensive devices used in power systems. Hence, high-performance gas sensors have been extensively explored and are widely used for detecting fault characteristic gases ...
Wei Z, Xu L, Peng S, Zhou Q.
europepmc   +2 more sources

Condition Assessment of Natural Ester–Mineral Oil Mixture Due to Transformer Retrofilling via Sensing Dielectric Properties

open access: yesItalian National Conference on Sensors, 2023
Mineral oil (MO) is the most popular insulating liquid that is used as an insulating and cooling medium in electrical power transformers. Indeed, for green energy and environmental protection requirements, many researchers introduced other oil types to ...
Hesham S. Karaman   +3 more
semanticscholar   +1 more source

Simultaneous Production of Transformer Insulating Oil and Value-Added Glycerol Carbonates from Soybean Oil by Lipase-Catalyzed Transesterification in Dimethyl Carbonate

open access: yesEnergies, 2017
Fatty acid methyl esters (FAMEs), as a transformer insulating oil, and value-added glycerol derivatives were simultaneously synthesized from soybean oil by transesterification using Lipozyme 435 in dimethyl carbonate (DMC).
Keon Hee Kim, Eun Yeol Lee
doaj   +1 more source

Breakdown Voltage Characteristic Of Mineral Oil In Power Transformer 16 Mva Updl Semarang

open access: yesTechno, 2020
The transformer is one of the most important equipment in the electric power system, which is to distribute power from power plants to the load centers by step-up or step down the voltage. Transformer is expect to have a high level of reliability. One
Setyo Adi Nugroho, Setyo Aji Priambodo
doaj   +1 more source

Methods of Humidityanalysis in Transformer Oil

open access: yesCommunications, 2010
To prevent failure states of transformer, we performed different types of measurements. We made measurements of a frequency dependence of capacity of test transformer immersed in tank with transformer oil.
Miroslav Gutten, Jozef Kudelcik
doaj   +1 more source

Evaluation Method of Aging State of Oil-Paper Insulation Based on Isothermal Decay Current

open access: yesJournal of Harbin University of Science and Technology, 2023
The stable operation of the transformer is an important guarantee for maintaining the safety of the power grid. It is very important to accurately assess the insulation state of oil-paper insulation of transformer.
LIUHeqian   +6 more
doaj   +1 more source

Performance Comparison and Selection of Transformer Fluid

open access: yesMATEC Web of Conferences, 2016
Transformer fluid directly affects the working state of the components and the cooling efficiency of transformer. There are three kinds of transformer fluid used for electric locomotive, EMU and suburban rail vehicles: mineral oil, silicone liquid and ...
Lu Yang, Liu Shi Jia
doaj   +1 more source

Design of Transformer Oil Temperature Intelligent Monitoring and Alarm System Based on PLC

open access: yesChemical Engineering Transactions, 2017
According to the requirements of the transformer oil product management system, the overall plan is designed, PLC is used as the next machine, and the distributed I/O system is built, based on the system software design transformer electrical schematic ...
Kun Zhang
doaj   +1 more source

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