Results 91 to 100 of about 5,527,883 (197)
High VoltageDuring the operation of high‐voltage cables, external stress and residual stress can affect the aggregated structure of insulating materials and lead to significant deterioration in their electrical performance.
Yunqi Xing +7 more
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Праці Інституту електродинаміки Національної академії наук УкраїниThe study of two-dimensional electric field in cross-linked polyethylene (XLPE) insulation with eccentricity and a protrusion of the insulation into the internal semiconducting screen of high-voltage cable is carried out by computer modeling.
І.М. Кучерява
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Significant Suppression of High Electric Field Regions in XLPE via Voltage Stabilisers
High VoltageDielectric degradation typically originates from local defects. The resulting electric field concentration accelerates defect growth. Suppressing field distortion arising from such local weaknesses has long been a major challenge in electrical insulation.
Ke Li +4 more
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2-Vinylanthraquinone-grafted XLPE suppresses AC electrical treeing by deep-trap regulation
Polymer TestingElectrical treeing is a primary degradation pathway in cross-linked polyethylene (XLPE) cable insulation, making enhancement of the tree-initiation voltage (TIV) critical for reliable high-voltage operation.
Ke Li +3 more
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Impulse ageing of polymeric materials
, 2011 Impulse over-voltage is a common phenomenon in electric power systems. A switching impulse is created by a switching surge or local fault while a lightning impulse is due to direct lightning strike to high voltage plant such as an overhead line.
Dao, Ngoc Long
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Shape-Memory Effect of 4D-Printed Gamma-Irradiated Low-Density Polyethylene
CrystalsFour-dimensional-printed smart materials have a wide range of applications in areas such as biomedicine, aerospace, and soft robotics. Among 3D printing technologies, fused deposition molding (FDM) is economical, simple, and apply to thermoplastics ...
Yunke Huang, Yongxiang Tao, Yan Wang
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High VoltageTo enhance the DC electrical performance of cross‐linked polyethylene (XLPE), the graftable antioxidant methacrylic acid 2‐hydroxy‐3‐(4‐anilinoanilino) propyl ester (GA), which contains carbonyl and amino groups, and the crosslinking coagent ...
Xu Yang +6 more
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The effect of degassing on morphology and space charge
, 2004 It is believed that space charge buildup in cross-linked polyethylene (XLPE) insulation is the main cause for premature failure of underground power cables. The space charge activities in XLPE depend on many factors such as additives, material treatment,
Chong, Y L, Chen, G, Ho, Y F F
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The effects of crosslinking byproducts on the electrical properties of low density polyethylene
, 2011 Crosslinked polyethylene (XLPE) is widely used for high voltage insulation in power transmission systems. However, it has been found that, after crosslinking with Dicumyl Peroxide (DCP), the crosslinking byproducts such as acetophenone, ?-methylstyrene ...
Hussin, Nuriziani
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Influence of ac ageing on space charge dynamics in LDPE
, 2003 Polymeric materials have been widely used as insulation in power industry due to their excellent electrical properties. However, these properties deteriorate in time irreversibly when the material is subjected to electric stress. Although space charge is
Fu, M, Liu, X Z, Chen, G
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