Results 21 to 30 of about 6,861 (260)

The study of the electrical properties of nano insulating oil for submarine cables [PDF]

E3S Web of Conferences
At present, the alkylbenzene insulation oil for submarine cables of 220kV and above in China relies on imports, which poses high maintenance costs and supply interruption risks.
Tian Chen, Zhu Zhiping, Liao Jianping, Liu Zhifeng, Gao Fan, Chen Yufei, Wang Zhenggang   +6 more
doaj   +1 more source

Research and Development of Natural Vegetable Insulating Oil Based on Jatropha curcas Seed Oil

Energies, 2020
Jatropha curcas is a natural non-food resource with high oil-content seeds, that has attracted worldwide attention as it is an ideal renewable resource for the production of biofuels.
Jun Wu, Junhui Zhang
doaj   +1 more source

Thermally Accelerated Aging of Insulation Paper for Transformers with Different Insulating Liquids

Energies, 2021
The article presents issues related to the aging behavior of oil-paper insulations in transformers using different oil- and ester-based insulating fluids.
Tobias Münster, Peter Werle, Kai Hämel, Jörg Preusel   +3 more
doaj   +1 more source

ReaxFF-MD in the field of pyrolysis of insulating oil: A review [PDF]

E3S Web of Conferences
This article reviews the application of the Reactive Molecular Dynamics (ReaxFF-MD) method in the field of insulating oil. It introduces the commonly used methods for constructing models of insulating oil and oil-paper, summarizes the pyrolysis ...
Yang Weiqi, Zhu Zhiping, Liao Jianping, Liu Zhifeng, Gao Fan, Chen Yufei, Wang Zhenggang   +6 more
doaj   +1 more source

Caracterização de bauxita ativada antes e depois da saturação com óleo mineral isolante Characterization of activated bauxite before and after saturation with insulating mineral oil

Química Nova, 2008
A characterization of activated bauxite and of activated bauxite impregnated with insulating mineral oil was made. The activated bauxite is used as adsorbent material in percolators during the regeneration of insulating mineral oil. After regeneration an
Josélia Ednar Antunes Piluski, Dachamir Hotza   +1 more
doaj   +1 more source

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

Energies, 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

Influence of Mineral Oil-Based Nanofluids on the Temperature Distribution and Generated Heat Energy Inside Minimum Oil Circuit Breaker in Making Process

Nanomaterials, 2023
The enhancement of the thermal properties of insulating oils has positively reflected on the performance of the electrical equipment that contains these oils. Nanomaterial science plays an influential role in enhancing the different properties of liquids,
Hesham S. Karaman, Adel Z. El Dein, Diaa-Eldin A. Mansour, Matti Lehtonen, Mohamed M. F. Darwish   +4 more
doaj   +1 more source

A Comparison of Dielectric Properties of Palm Oil with Mineral and Synthetic Types Insulating Liquid under Temperature Variation

ITB Journal of Engineering Science, 2011
Mineral oil is known to have a low biodegradability level and high susceptibility to the fire. These conditions motivate many researchers to look for alternative sources for insulating oil. One of the alternative liquid is palm oil.
Abdul Rajab, Aminuddin Sulaeman, Sudaryatno Sudirham, Suwarno   +3 more
doaj   +1 more source

Ação adsorvente da bauxita sobre óleo isolante novo Adsorbing action of bauxite on new insulating oil

Química Nova, 2005
Samples of new insulating mineral oil, after contact with bauxite, were analyzed by visible spectrophotometry, impedance spectroscopy and their total acidity index was measured.
Geraldo Eduardo da Luz Júnior, João Mariz Guimarães Neto, José Machado Moita Neto   +2 more
doaj   +1 more source

Development and evaluation of nitrile rubbers seals for power transformer application

Polímeros, 2022
Mineral insulating oil (MIO) and natural ester insulating (NEI) oil are used in power transformers as an insulating fluid, while elastomeric seals are usually composed of nitrile rubber (NBR).
Mauro Cesar de Avila, Ana Paula Munaro, Marilda Munaro   +2 more
doaj   +1 more source