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Cross-linked polyethylene (XLPE) has become the primary cable insulation materials for its excellent comprehensive properties since 1960s. As the increasing environmental awareness of public, the lack of recyclability has become a non-negligible problem which limited the further application of XLPE. Thermo-plastic polyolefin shows potentials as an environment-friendly cable insulation material because...
Bushing and barrier system are the critical components in ultra high voltage (UHV) converter transformer for safe operation. Electric field distributions within bushing and barrier system are complicated in UHV converter transformer under combined AC and DC voltages, which, as a consequence, results in some technical difficulties in insulation structure design and manufacture. The paper presents the...
In this paper, vacuum-cast epoxy-alumina nanodielectrics are reported with particular attention to the formulation and processing of the samples. Four grades of alumina nano-fillers with different particle size and surface treatments were compared. The samples were fully characterised in terms of their structure, mechanical, thermal and dielectric properties. The characterisations included: nano/micro-structure...
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