| 摘要 |
<p>The invention concerns a transformer with air-core insulation comprising at least one high voltage coil and at least one low voltage coil mounted on at least one column of a magnetic circuit. characterised in that its high voltage coil (10) is contained in a thermoplastic resin insulating encapsulation (12) coated with a surface layer (18) made of an electroconductive thermoplastic resin compatible with the insulating encapsulation and its low voltage coil (1) is coated with an electroconductive resin (7).</p> |
