Results 71 to 80 of about 3,862 (181)
, 2006 This paper reports on the result of space charge evolution in cross-linked polyethylene (XLPE) planar samples of approximately 220 ?m thick. The space charge measurement technique used in this study is the PEA method.
Tanaka, Y +5 more
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Space-charge trapping and conduction in LDPE, HDPE and XLPE
, 2001 The mechanisms of charge injection, transport and trapping in low-density, high-density and cross-linked polyethylene (LDPE, HDPE and XLPE) are investigated in this paper through charging-discharging current measurements and space-charge observations ...
Perego G. +5 more
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Space charge accumulation under the effects of temperature gradient on solid dielectric DC cable
, 2009 It is well known that existence and accumulation of space charge within the insulating material poses threat to the reliability in the operation of dc power cables. When the cables are loaded under high voltage direct current (HVDC), temperature gradient
Choo, Wilson +2 more
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, 2011 Cross-linked polyethylene (XLPE) is commonly used within high voltage cable insulation. It has improved thermal and mechanical resistance compared to normal low density polyethylene (LDPE).
Dao, N L, Swingler, S G, Lewin, P L
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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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Evaluation of 11kv XLPE Cable [PDF]
, 2006 Underground power cables constitute a bulk part of power systems network. Most of these power system equipments have been in service for decades, thus making their insulation liable to deterioration (ageing) as a result of operational and environmental ...
Bashir Umar, Nouruddeen
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Determination of space charge characteristics on contaminated XLPE insulator
, 2019 XLPE insulator cable has been widely used underground due to urbanization and this has exposed cable to many pollutants. Existence of pollutant on cable layer may mitigate performance of cable especially on XLPE insulator.
Mohd Razib, Siti Nabilah
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2D modeling of the thermal conductivity of XLPE-modified concrete
, 2019 National audienceCross-linked polyethylene (XLPE) is a thermoset polymeric material extensively used in the industry, including in firefighting systems, hot water and sanitary piping, and for the insulation of electric cables.
Himo, Rawad +2 more
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Analisi economica comparata tra linee di trasmissione in cavo XLPE e aeree
, 2005 L'attuale evoluzione e l’accresciuta affidabilità degli isolanti estrusi (XLPE) richiamano l’interesse verso la realizzazione di linee di trasmissione in cavo in altissima tensione.
E. ZACCONE +4 more
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On-site Partial Discharges Measurement of XLPE Cables
, 2020 The contribution deals with the methodology ofon-line measurement of partial discharges in XLPE cables.After the specification of measuring methodology and usedapparatus the evaluation of the measured data follows.Contribution gives an example of a real ...
Janíček, František +3 more
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