Gas insulated switchgear
US5581439A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1995 |
| Grant date | Dec 3, 1996 |
| Priority date | — |
| Expiry date | Jun 28, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02B5/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The gas insulated switchgear includes a gas insulated double main bus, bus sectioning and bus tieing gas insulated switchgear units, a main bus potential transformer and a main bus work use earthing switch for respective main buses. The bus sectioning and bus tieing gas insulated switchgear units are respectively constituted by a vertical type circuit breaker, and the main bus potential transformer and the main bus work earthing switch provided for one of two main buses. When the vertically disposed circuit breaker is used for the bus sectioning and the bus tieing gas insulated switchgear units, the entire device is decreased in size in the horizontal direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.