Results 11 to 20 of about 66,524 (310)
Study Of Measurements Leakage Current In Oil Transformer
Diyala Journal of Engineering Sciences, 2020 The oil transformer is used in (H.V ) ment's to avoid the electrical breakdown , and heat effect ,so that the oil using as an insulation and cooling in electrical instruments to prevent the failure in the transformer. In our research the measurements
Hassan J. Mohammed
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Numerical simulation study of rock breaking mechanism by high voltage electric pulse
矿业科学学报, 2023 High-voltage electric pulse(HVEP)drilling has become a new and efficient rock breaking method, which is also the research focus in the field of drilling speed increase.
Liu Weiji +3 more
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Electrical response and pore structure evolution affected by cyclical plasma breakdown
Meitan xuebao, 2023 Artificial improvement of coal seam permeability is the key to solve the low gas drainage efficiency and prevent gas dynamic disaster. Plasma based on physical discharge is one of the effective means of coal seam antireflection. However, previous studies
Xiangliang ZHANG +3 more
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Energies, 2023 The increased voltage loading of transformers has led to research on improving transformers’ lifespans to meet demand. Insulation oil acts as cooling medium that can significantly affect the performance of a transformer.
Stephanie Azlyn Anak Felix +5 more
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Development of Electrical Breakdown in Transformer Oil
Advances in Electrical and Electronic Engineering, 2006 Power transformers are key equipment for transfer and distribution of the electric power. Considering the significance of the power transformers in the electric system, their price and possible damages occurred by accidents, it is necessary to pay ...
Jozef Kudelcik +2 more
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Influence of nano-oil preparation conditions on its electrical strength
Вестник Самарского государственного технического университета. Серия: Технические науки, 2023 This study presents the results of experiments aimed at determining the breakdown voltage of liquids containing carbon nanotubes and other microinclusions; which were dispersed in mineral insulating oil used in electrical transformers.
Viktor A. Loskutov +3 more
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A Combined Electro-Thermal Breakdown Model for Oil-Impregnated Paper
Energies, 2017 The breakdown property of oil-impregnated paper is a key factor for converter transformer design and operation, but it is not well understood. In this paper, breakdown voltages of oil-impregnated paper were measured at different temperatures. The results
Meng Huang +3 more
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Device for testing arc breakdown and spark gap protection devices
Известия высших учебных заведений: Проблемы энергетики, 2021 THE PURPOSE. To justify the need to use an arc breakdown protection device (ABPD) in electrical networks up to 0.4 kV, in order to reduce the number of fires.
Yu. N. Erashova +3 more
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Influence of low amounts of nanostructured silica and calcium carbonate fillers on the large-area dielectric breakdown performance of bi-axially oriented polypropylene [PDF]
, 2014 Influence of low amounts (1.0-2.0wt-%) of nanostructured silica and calcium carbonate fillers on the large area dielectric breakdown performance of bi-axially oriented polypropylene (BOPP) is analyzed.
S. Virtanen +13 more
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A Comparison of Electrical Breakdown Models for Polyethylene Nanocomposites
Applied Sciences, 2022 The development of direct current high-voltage power cables requires insulating materials having excellent electrically insulation properties.
Zhaoliang Xing +5 more
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