Results 1 to 10 of about 23,991 (249)

Electrical insulating liquid: A review [PDF]

open access: yesJournal of Advanced Dielectrics, 2017
Insulating liquid plays an important role for the life span of the transformer. Petroleum-based mineral oil has become dominant insulating liquid of transformer for more than a century for its excellent dielectric and cooling properties.
Deba Kumar Mahanta, Shakuntala Laskar
doaj   +3 more sources

Review on natural ester and nanofluids as an environmental friendly alternative to transformer mineral oil

open access: yesIET Nanodielectrics, 2020
The development of reliable, environmentally safe and economic insulating oil for the transformer is an endless effort of the electrical industry.
Joyce Jacob   +2 more
doaj   +3 more sources

Effect of Iron/Titania-Based Nanomaterials on the Dielectric Properties of Mineral Oil, Natural and Synthetic Esters as Transformers Insulating Fluid

open access: yesIEEE Access, 2021
There is a need to develop upgraded insulant which offers superior dielectric properties than mineral oil in terms of cooling, insulation, and efficient functioning under extreme weather conditions.
Suhaib Ahmad Khan   +3 more
doaj   +3 more sources

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

open access: yesSensors, 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
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

open access: yesQuímica 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   +1 more
doaj   +1 more source

Development of palm - based neopentyl glycol diester as dielectric fluid and its thermal aging performance [PDF]

open access: yes, 2016
The potential of palm-based neopentyl glycol diester as dielectric insulating fluid was investigated. The details of the transesterification of high oleic palm oil methyl ester (POME) with neopentyl glycol (NPG) with the final product yield of more than ...
Abdul Raof, Nurliyana   +4 more
core   +1 more source

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

open access: yesQuímica 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   +2 more
doaj   +1 more source

Review on Gassing Tendency of Different Insulating Fluids towards Transformer Applications

open access: yesEnergies, 2023
This paper reports the critical reviews on the gassing tendency of different insulating fluids along with the precautionary measures to be considered during their fault diagnosis in transformer insulation.
Arputhasamy Joseph Amalanathan   +4 more
doaj   +1 more source

Aging of Kraft paper insulation in natural ester dielectric fluid [PDF]

open access: yes, 2013
The aging behavior of transformer insulation Kraft paper aged in a natural ester oil, recently developed from palm kernel oil, is compared to the behavior of paper samples aged in mineral insulating oil.
Abdelmalik, A. A.   +2 more
core   +1 more source

Development and evaluation of nitrile rubbers seals for power transformer application

open access: yesPolímeros, 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   +2 more
doaj   +1 more source

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