Insulating cover for ultra high-voltage or extra high-voltage transformer

• Main Author: YU YINGZHONG
• Format: Patent
• Language: Chinese; English
• Published: 12.06.2013
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; INDUCTANCES; MAGNETS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; TRANSFORMERS

The utility model provides an insulating cover for an ultra high-voltage or extra high-voltage transformer. The insulating cover comprises an upper cover plate and a hollow cylinder part; the upper cover plate is a circular plate piece arranged horizontally; a wire outlet hole is formed in the circle center of the upper cover plate; and the hollow cylinder part is a hollow cylinder piece arranged vertically. The insulating cover is characterized by also comprising an arc-shaped transition connecting part; the arc-shaped transition connecting part is an integrated piece of which the upper and lower end faces are hollow and circular and four side walls protrude outwards to form arcs; the wall thickness of the arc-shaped transition connecting part is as same as the wall thickness of the hollow cylinder part and the thickness of the upper cover plate; the circumference of the hollow circle of the upper end of the arc-shaped transition connecting part is integrally and smoothly connected with the outer circumferen