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In a space charge measurement, a threedimensional (3D) measurement technique has been developed by using the PEA method. As a result, space charge distribution and electric field distribution of insulating polymer can be measured even under non-uniform electric field. On the other hand, a current distribution measurement in an insulating polymer cross section has not been realized yet. We have assembled...
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...
Charge generation in cross-linked polyethylene (XLPE) and ethylene propylene rubber (EPR) under dc stress are influenced strongly by inclusions. The inclusions influencing charge generation are cross-linking byproducts, antioxidants, and moisture. These inclusions particularly influence the generation of negative heterocharges observed near positive electrodes, which produce high electric stress regions...
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