Fault protection device with group trip delay and method
US10910816B2 · kind B2 · utility
1Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2008 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | Mar 17, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H11/008
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A reclosing fault protection device detects a partial bypass state. Upon detecting the partial bypass state, the fault protection device implements a ground trip delay operating state. The ground trip delay operating state provides a delayed ground trip response characteristic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.