Hybrid medium voltage circuit breaker
US5155315A · kind A · utility
100Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 1991 |
| Grant date | Oct 13, 1992 |
| Priority date | — |
| Expiry date | Mar 12, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/6661
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The circuit breaker comprises main contacts 26, 30 and a vacuum cartridge 38 in parallel which performs breaking, the assembly being contained in an enclosure 10 filled with sulphur hexafluoride. The cartridge is designed for dielectric withstand in this gas. The contacts of the cartridge 38 are made of high resistive material and a coil generates an axial magnetic field in the arcing zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.