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Recent years the application of ultraviolet-irradiation crosslinked polyethylene (UV-irradiation XLPE) cable for low voltage has become increasingly mature, but for high voltage is still in the research stage. The dielectric properties of high voltage UV-irradiation XLPE with new type macromolecule photoinitiator and polyfunctional crosslinker were studied in this paper. The influence of irradiation...
Type NaY zeolite powder with nanoscale and micronscale were doped in low-density polyethylene(LDPE). The zeolite particles with nanoscale and also with micronscale were uniformly distributed in LDPE shown in SEM images. The dielectric spectra of LDPE/zeolite composites and pure LDPE are tested by broadband dielectric spectrometer at two different temperatures, 293K and 353K. The study found that composites'...
Using type NaY nanoscale zeolite powder doped into Low-density Polyethylene(LDPE) by melt blending method, obtained the LDPE/Zeolite composite with different zeolite weight percentage from 0.5wt% to 3wt%. When the electric field rising up from 10kV/mm to 40kV/mm, the space charge distributions were investigated separately with pulsed electro-acoustic(PEA) method. The space charge distributions at...
Polyethylene films were studied by photo-stimulated discharge (PSD) and thermally stimulated current (TSC) to understand the detrapped process and the energy spectrum distribution of trap of space charges. The space charge profiles were determined in real time by the pulsed electro-acoustic (PEA) technique. The results showed that the activation energy estimated from the non-isothermal TSC and PSD...
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