System for limiting torque in a turbine-generator shaft
US4015186A · kind A · utility
3Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 23, 1975 |
| Grant date | Mar 29, 1977 |
| Priority date | — |
| Expiry date | Sep 23, 1995 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H7/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a system for limiting torque occurring in a turbine-generator shaft when a three-pole short circuit is switched off, one pole of a switch that switches-off the short circuit is opened first, and both of the other poles are then opened after the passage of a predetermined delay period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.