Results 81 to 90 of about 5,527,883 (197)
IOP Conference Series: Materials Science and Engineering, 2019 To study the effects of the different electrodes on the charge transport mechanism in XLPE, the conductive currents of cross-linked polyethylene (XLPE) with Al electrode and semi-conductive screen have been compared. And the currents of the two kinds of samples at low electric field, which are tested after not injecting and injecting space charge.
L Lin, M Y Chen, B W Yu
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, 2009 The statistical initiation and propagation characteristics of electrical trees in cross-linked polyethylene (XLPE) cables with different voltage ratings from 66 to 500 kV were investigated under a constant test voltage of 50 Hz/7 kV (the 66 kV rating ...
Li, Shengtao +3 more
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Dynamics of space charge and electroluminescence modelling in polyethylene
, 2012 Space charge has been recognized as an important factor contributing to the electrical failure of the cable insulation. Extensive efforts have been made to investigate space charge dynamics within polymeric insulations under electric stresses.
Zhao, Junwei
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Polarity-Dependent DC Dielectric Behavior of Virgin XLPO, XLPE, and PVC Cable Insulations
EnergiesReliable DC cable insulation is crucial for photovoltaic (PV) systems and high-voltage DC (HVDC) networks. However, conventional materials such as cross-linked polyethylene (XLPE) and polyvinyl chloride (PVC) face challenges under prolonged DC stress ...
Khomsan Ruangwong +2 more
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^1H NMR tests on damaged and undamaged XLPE and SiR samples
High Voltage, 2019 Cross-linked polyethylene (XLPE) and silicone rubber (SiR) samples were subjected to a high-voltage AC stress plane–plane configuration and inclined plane test, respectively.
Lydia Gkoura +8 more
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, 2005 The paper presents space charge distributions under opposite voltage polarities in full size cross-linked polyethylene power cables using the pulsed electro-acoustic technique.
Fothergill, J C, Fu, M, Chen, G
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, 2007 The effects of material modification and cross-linking by-products (residues) quantity on space charge accumulation and decay in XLPE have been investigated using the pulsed electro-acoustic technique.
Fothergill, J C +3 more
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Effect of AC Ageing on Space Charge Evolution in XLPE
, 2004 This paper reports on space charge dynamics in XLPE samples, which have been pre-stressed under ac electric stress, when subjected to 30kVdc/mm dc electric stress for 24 hours.
Tanaka, Y +4 more
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Inhibition of Rejuvenation Liquid on Trees in XLPE Cables under Switching Impulse Voltages
Energies, 2019 In this paper, the inhibitory effect of preinjected rejuvenation liquid on trees in cross-linked polyethylene (XLPE) cables was investigated. Experimental samples were prepared by inserting needles into XLPE samples, and many equally-spaced holes existed
Guangya Zhu +5 more
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Space charge determination in HVDC power cable and its influence on electric field
, 2010 Considerable amount of transmission and distribution of electricity is carried out by power cable. At present, most high voltage direct current (HVDC) installation uses traditional (oil-impregnated paper insulation and oil-filled-types) cables which pose
Choo, Chin Tze
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