Gas insulated switch-gear apparatus
US4045634A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1976 |
| Grant date | Aug 30, 1977 |
| Priority date | — |
| Expiry date | Jan 13, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02B7/01
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A gas insulated switch-gear wherein power circuit breakers, disconnecting switches, earthing switches and the like constituting a power electric sub-station are enclosed in earthed metallic vessels and insulation therein is effected by means of insulated arc-suppressing gas is housed in a switching house, a bushing forming a terminal at the electric power line side is provided separately outside of the switching house, and said bushing located outside and gas insulated switch-gear is electrically connected by means of gas insulated bus bar, to thereby eliminate a wall bushing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.