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Epoxy resin impregnated crepe paper (ERICP) composites is the main insulating material of the ultra-high voltage direct current (UHVDC) dry bushing. The moisture in the environment may intrude into the ERICP composites in the manufacturing process of the bushing, which would affect the quality of the bushing. In order to investigate the diffusion process of moisture in the ERICP composites during...
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