Relay failure detection system
US9236209B2 · kind B2 · utility
2Cited by
4References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2014 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | Apr 8, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B21/185
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A relay fault detection and correction system includes a signal detector structured to measure primary and secondary signals, and generates a fault output signal if the signals appear to be unterminated due to a relay not connecting the signals to the loads. A cycle circuit is structured to cause a relay controller to cycle a potentially under-performing relay between its states a number of times after the signal detector generates the fault output.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.