Electrical distribution equipment with torque estimating capability
US5345158A · kind A · utility
18Cited by
13References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1992 |
| Grant date | Sep 6, 1994 |
| Priority date | — |
| Expiry date | Oct 2, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/343
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit breaker for protecting a motor-driven system from overcurrents and undervoltages includes both current and voltage sensors and derives a precise estimate of electromagnetic torque output from sensed currents and voltages. A contactor similarly includes torque estimating capability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.