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The effects of iron oxide red pigment, organic red 254 pigment, titanium white pigment, and carbon black pigment on the properties of wood fiber (WF)reinforced high‐density polyethylene (HDPE) composites under outdoor aging conditions were investigated. The results indicate the addition of pigments in the outdoor aging process has a certain physical protection effect on the composites, effectively...
The polarization/depolarization current method is an aging evaluation method of oil paper insulation. It is non-destructive and without need to handle the transformer. In this paper, characteristic of time domain dielectric response method was studied which based on the polarization/depolarization current method. The experimental platform was built in the laboratory, and the time domain electric conduction...
In order to evaluate the effects of temperature on dielectric response, the frequency domain dielectric spectroscopy was transformed into temperature dielectric spectroscopy in this paper. Dealing with the data of the obtained temperature dielectric spectroscopy, and the changed slope of dissipation factor of the oil paper insulation samples was calculated at each temperature section. According to...
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