Supporting insulator assembly for gas-insulated equipment

Electricity: conductors and insulators – With fluids or vacuum – Conduits – cables and conductors

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174 13, 174 16B, H01B 906

Patent

active

040384861

ABSTRACT:
An improved supporting insulator assembly is provided for high-voltage metal-enclosed gas-insulated equipment. The supporting insulator assembly is preferably cast onto the inner high-voltage conductor by improved attachment means, and the inner high-voltage gradient conditions are controlled around the inner high-voltage conductor, or bus by an improved shielding construction.
Additionally, an improved construction provides an expansion joint so as to allow axial longitudinal movement of the inner high-voltage conducting elements relative to the outer grounded metallic sheath, or casing due to differences in temperature and coefficients of thermal expansion therebetween.
An additional feature of the invention is the improved connection of the supporting insulator structure with adjacent high-potential components.
Another important feature of the present invention is the truncated configuration of the supporting insulator assembly.

REFERENCES:
patent: 3345450 (1967-10-01), Spindle
patent: 3610807 (1971-10-01), Whitehead
patent: 3652778 (1972-03-01), Sakai
patent: 3767840 (1973-10-01), Cronin
patent: 3786169 (1974-01-01), Floessel
patent: 3786170 (1974-01-01), Floessel
patent: 3786174 (1974-01-01), Floessel
patent: 3809795 (1974-05-01), Olsen et al.
patent: 3886301 (1975-05-01), Cronin

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