Gas insulated switchgear apparatus
US6399911B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1999 |
| Grant date | Jun 4, 2002 |
| Priority date | — |
| Expiry date | Jul 29, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02B13/065
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A gas insulated switchgear of the present invention, a plurality of disconnect switches are provided on a line connecting a bus line to a circuit-breaker in such a manner as to be arranged in both a main bus unit, a breaker unit or in both a first and second insulating gas sections. Accordingly, when an inconvenience occurs in the gas insulated switchgear apparatus and the exchange work of a unit is required, it is possible to exchange the inconvenient damaged unit only by turning the circuit including the inconvenient damaged unit into power supply interruption, that is, without turning a normal circuit unit into power supply interruption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.