Methods, systems, and apparatus for detecting arc flash events using light and time discrimination
US8564915B2 · kind B2 · utility
3Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2010 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | May 25, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H1/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power equipment protection system includes a circuit breaker, a current sensor configured to measure a current through a circuit, a light sensor configured to detect a light event, and a controller communicatively coupled to the current sensor and to the light sensor, wherein the controller is configured to determine whether the light event originated from operation of the circuit breaker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.