Hybrid protective relay having enhanced contact response time
US6046899A · kind A · utility
16Cited by
11References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 12, 1997 |
| Grant date | Apr 4, 2000 |
| Priority date | — |
| Expiry date | Aug 12, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2009/545
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A protective relay of the type consisting of a relay contacts controlled by means of a relay coil further includes a pair of triacs controlled by an optical switch. The high speed response is attributed to the configuration of the triacs while high ampere rating is provided by the contacts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.