Results 11 to 20 of about 67,105 (263)
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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Space Charge Accumulation Characteristics in HVDC Cable under Temperature Gradient
Energies, 2020 One of the main issues that affect the development of high-voltage direct-current (HVDC) cable insulation is the accumulation of space charge. The load operation of an HVDC cable leads to the formation of a radially distributed temperature gradient (TG ...
Yifan Zhou, Wei Wang, Tailong Guo
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Space charge and trap energy level characteristics of SiC wide bandgap semiconductor
AIP Advances, 2022 Charge carrier transport and accumulation in silicon carbide (SiC) wide bandgap semiconductors caused by the defect and impurity are likely to lead to serious performance degradation and failure of the semiconductor materials, and the high temperature ...
Chi Chen +6 more
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Research progress on space charge characteristics in polymeric insulation [PDF]
Journal of Advanced Dielectrics, 2016 Due to their excellent electrical insulation properties and processability, polymer materials are used in many electrical products. It is widely believed that space charge plays an important role for the electric field distribution, conduction, ageing ...
Yibo Zhang +4 more
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