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Halloysite Reinforced Natural Esters for Energy Applications
Recently, environmentally friendly and sustainable materials are being developed, searching for biocompatible and efficient materials which could be incorporated into diverse industries and fields.
Jose Jaime Taha-Tijerina +3 more
doaj +2 more sources
Lightning Impulse Withstand of Natural Ester Liquid
Due to the low biodegradability of mineral oil, intense research is conducted to define alternative liquids with comparable dielectric properties. Natural ester liquids are an alternative in focus; they are used increasingly as insulating liquid in ...
Stephanie Haegele +4 more
doaj +2 more sources
Influence of Molecule Structure on Lightning Impulse Breakdown of Ester Liquids
Ester liquids are environmentally friendly insulating oils, and they can be used as an alternative to mineral oil in transformers, even though in most countries spills of ester oils must be treated like spills of mineral oil.
Huaqiang Li +5 more
doaj +1 more source
Long-term and fault-free operation of power transformers depends on the electrical strength of the insulation system and effective heat dissipation. Forced circulation of the insulating liquid is used to increase the cooling capacity.
Maciej Zdanowski
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Phthalic Acid Esters: Natural Sources and Biological Activities [PDF]
Phthalic acid esters (PAEs) are a class of lipophilic chemicals widely used as plasticizers and additives to improve various products’ mechanical extensibility and flexibility. At present, synthesized PAEs, which are considered to cause potential hazards to ecosystem functioning and public health, have been easily detected in the atmosphere, water ...
Ling Huang +6 more
openaire +3 more sources
Oxidation Stability of Natural Ester Modified by Means of Fullerene Nanoparticles
Increasing environmental demands influence the requirements for devices and materials used in the power industry. One example is a power transformer and an electro-insulating liquid used in it.
Dominika Szcześniak, Piotr Przybylek
doaj +1 more source
Sustainable, Renewable and Environmental-Friendly Insulation Systems for High Voltages Applications
With the inception of high voltage (HV), requisites on the insulating permanence of HV equipment is becoming increasingly crucial. Mineral/synthetic oil liquid insulation—together with solid insulation materials (paper, pressboard)—is the fundamental ...
Muhammad Rafiq +5 more
doaj +1 more source
The use of nanofluids as dielectric liquids for transformer insulation has been widely investigated during the last decade. A number of authors have performed extensive studies on liquids produced from different types of nanoparticles and base fluids ...
Daniel Pérez-Rosa +2 more
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The converter transformer is a key equipment in high voltage direct current (HVDC) transmission system. Its oil-paper insulation system in the valve winding and outlet bushing experiences AC, DC, AC/DC, and transient impulse voltages simultaneously.
Lin Cheng +6 more
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Thermally Accelerated Aging of Insulation Paper for Transformers with Different Insulating Liquids
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 +3 more
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