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A new water blade electrode method is presented to accelerate water tree initiation and propagation in cross-linked polyethylene (XLPE) insulation, and the validity was verified by a series of experiments. Water tree morphology and length over time were monitored using a polarized light microscope and compared to the results through the conventional water needle electrode method. The influence of...
With the wide application of high voltage and ultra-high voltage cross-linked polyethylene (XLPE) insulated cables and the increasing demand for operation stability, development of XLPE insulation materials with high dielectric strength has become one of the most popular research topics in recent years. In this paper, acetophenone/polyethylene (PE) composites with different contents of acetophenone...
In order to improve the DC dielectric properties of cross-linked polyethylene (XLPE) insulation materials, carbon black (CB)/ XLPE nanocomposites were prepared with the melt blending method. The pulsed electro-acoustic (PEA) method was used to measure the space charge distribution of XLPE and CB/XLPE nanocomposites. The relationship between the DC electrical conduction and the applied electric field...
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