Characterization of accumulated space charge and charge-caused AC gas discharge characteristics in enclosed air spaces with novel electrostatic induction method [PDF]
Scientific ReportsSpace charges affect the discharge process in an enclosed space of an electrical device. Due to the limitations of the measurement technique, it is difficult to study charge accumulation and its effect on discharges.
Disheng Wang +3 more
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Space Charge Accumulation under Effects of Temperature Gradient and Applied Voltage Reversal on Solid Dielectric DC Cable [PDF]
, 2009 A well-known fact of the existence and accumulation of space charge within the insulating material poses threat to the reliability in the operation of dc power cables.
Choo, Wilson +2 more
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High Voltage, 2022 The current continuity equation is usually applied to solve DC electric field distribution when there is inhomogeneous material conductivity due to temperature gradient or multi‐layer dielectrics.
Xiao Yang +6 more
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Space Charge Measurement and Modelling in Cross-Linked Polyethylene
Energies, 2020 Cross-linked polyethylene, commercially known as XLPE, is widely used as an insulating material in high voltage cables. However, space charge accumulation under the DC field is one of the most challenging problems in the further development of XLPE ...
Yunpeng Zhan +6 more
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Space Charge Behavior and Mechanism of Polyimide Under Pulse Voltage
Zhongguo dianli, 2022 The insulation of power electronic equipment is more likely to deteriorate and fail early because it is operated with high repetition rate and steep rise time pulse voltage for a long time.
Jianjian HOU +5 more
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Effect of Moistures on Space Charge and Trap Level Characteristics of Oil-Impregnated Pressboards
IEEE Access, 2020 Oil-paper insulation as an irreplaceable insulation system in the electrical power transformer is inevitably suffering the water intrusion on working condition, which will make dielectric performance degraded and insulation aging accelerated.
Yi Guan +5 more
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Inhibition Effect of Graphene on Space Charge Injection and Accumulation in Low-Density Polyethylene
Nanomaterials, 2018 Space charge injection and accumulation is attracting much attention in the field of dielectric insulation especially for electronic devices, power equipment and so on.
Zhonglei Li +4 more
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Regulation of PANI nanofiber conductivity and its influence on the DC dielectric properties of LDPE
Polymer Testing, 2021 To study the effect of electrical conductivity of nanomaterials on the space charge accumulation in low density polyethylene (LDPE), doped and dedoped polyaniline (PANI) nanofibers with the same diameter and different conductivity were prepared and added
Chengcheng Zhang +4 more
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Energies, 2018 The electric field distortion caused by space charge is an important factor affecting the operation reliability of oil–paper insulation in a converter transformer.
Qingguo Chen +4 more
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The Influence of Residue on Space Charge Accumulation in Purposely Modified Thick Plaque XLPE Sample for DC Application [PDF]
, 2005 Effects residues (cross-linking by-products and additives) in polyethylene on space charge accumulation and decay have been investigated using the pulsed electro-acoustic technique.
Fothergill, J C, Fu, M, Chen, G
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