Results 21 to 30 of about 9,187 (159)

Analytical methods for assessing paper degradation In transformers [PDF]

, 2006
Power transformers are essential equipments for distributing electricity. However, maintenance of these equipments is necessary to ensure long working life and to avoid catastrophic incidents.
Christofidis, Stavros
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Analysis and interpretation of dissolved gases in transformer oil: A case study

, 2012
Condition monitoring plays a vital role in any asset management plan. Dissolved gas analysis is a routine test carried out on power transformers to monitor their condition.
H. A. Fonseka, S. N. Hettiwatte, Fonseka, H.A., HA Fonseka (17984935), Hettiwatte, S.N., SN Hettiwatte (17961161)   +5 more
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Impulse-driven surface breakdown data : a Weibull statistical analysis

, 2012
Surface breakdown of oil-immersed solids chosen to insulate high-voltage, pulsed-power systems is a problem that can lead to catastrophic failure. Statistical analysis of the breakdown voltages, or times, associated with such liquid-solid interfaces can ...
Given, M, Sinclair, M.A., Thomas, K.J., Wilson, Mark, Wang, Tao, Lehr, Jane, MacGregor, Scott, Timoshkin, Igor   +7 more
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ReaxFF-MD in the field of pyrolysis of insulating oil: A review [PDF]

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 ...
Zhifeng Liu, Fan Gao, Zhenggang Wang, Weiqi Yang, Zhiping Zhu, Jianping Liao, Yufei Chen   +6 more
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Experimental studies of influence of DC and AC electric fields on bridging in contaminated transformer oil

, 2015
Analysis of real operating condition revealed that HVDC transformers experience combined effect of DC biased AC electric field. The dynamics of pressboard particle in contaminated transformer oil under the influence of DC, AC and DC biased AC electric ...
Mahmud, S., Golosnoy, I.O., Chen, G., Wilson, G., Jarman, P.   +4 more
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The influence of magnetite nano particles on the behavior of insulating oils for pulse power applications

, 2011
The effects of the addition of magnetite nanoparticles on the breakdown strength of three insulating liquids have been examined. The liquids considered are: a mineral transformer oil; a synthetic ester liquid, Midel 7131, and a specialist high ...
Given, M, Lehr, J.M., Mcglone, Phillip, Wilson, Mark, Wang, Tao, Macgregor, Scott, Timoshkin, Igor   +6 more
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The experimental study on the potential of waste cooking oil as a new transformer insulating oil [PDF]

, 2020
Power transformers use mineral oil as an insulating liquid due to its outstanding dielectric properties. The poor biodegradability and toxicity of mineral oil have increased the interest in the use of a more environmentally friendly product such as ester-
Abu Bakar, Norazhar, Sutan Chairul, Imran, Ab Aziz, Nur Hakimah, Deraman, Muhammad Nazori   +3 more
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Early stage detection of insulating oil decaying

, 2010
International audienceIt is an established fact that regular oil analysis is extremely useful in monitoring the condition of power transformers. To ensure long-term reliability of oil filled power transformers, it is important to identify the degradation
I Fofana, A Beroual, J S N'Cho, Hadjadj, Yazid, A Bouaicha, Y Hadjadj, Bouaicha, Abdelghafour, Fofana, Issouf, N'Cho, Janvier, Sylvestre, Aka-Ngnui, Thomas, Beroual, Abderrahmane, T Aka-Ngnui   +11 more
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Tracking and Surface Discharge at the Oil-Pressboard Interface

, 2010
A different approach to the study of surface tracking reveals a new view of the oil-pressboard interface and suggests a link between the electric double layer and the boundary ...
Strawbridge, B D, Jarman, P, Mitchinson, P M, Lewin, P L   +3 more
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Insulating Composites Made from Sulfur, Canola Oil, and Wool**

, 2021
Insulating Composites Made from Sulfur, Canola Oil, and Wool*
F Stojcevski (14462301), Luke Henderson (13082367), T Hasell (13448499), NA Lundquist (15792869), JM Chalker (14534273), DA Lewis (9898634), CT Gibson (14470854), JA Campbell (15792872), I Bu Najmah (13463436), MK Stanfield (14454528), LJ Esdaile (15792875)   +10 more
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