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Space charge distributions were investigated in multi-layered dielectric films consisting of combinations of low-density polyethylene (LDPE) and its nanocomposite (NC) with MgO nano-fillers during application of a dc electric field of 100 kV/mm at room temperature and 50°C. At 100 kV/mm, a packet-like charge appears in LDPE, but not in NC. Similar behavior is also observed in multi-layered samples...
Space charge distributions were investigated in two-layer dielectric films consisting of certain combinations of low-density polyethylene (LDPE) and its nanocomposite with magnesia nanofillers at DC electric fields of 25 kV/mm and 100 kV/mm at room temperature. Space charge is formed at the interface of two different materials to maintain the continuity of current when the electric field is 25 kV/mm,...
Research on vacuum surface flashover mechanisms of insulating material under nanosecond pulses is important for the design and manufacture of high power pulse generators. This paper studies the vacuum surface flashover characteristic of Al2O3/epoxy nanocomposite filled with different weight proportion of nano-filler. By using a unipolar pulse generator (20 ns rise time and 800 ns full width at half...
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