MOLDED TRANSFORMER Russian patent published in 1998 - IPC

FIELD: electrical engineering; outdoor high-voltage molded transformers. SUBSTANCE: transformer has magnetic core and windings placed in molded case built up of two insulating layers; internal layer is made of 4.4'-siopropylidenediphenol epoxy compound and external layer, of cycloaliphatic epoxy compound; novelty is that external layer is placed around internal one over its entire surface so that transfer of its main part to base is rounded off in congruent manner relative to internal insulating layer. EFFECT: improved design. 1 dwg