Methods and systems for open-phase detection in power transformers
US10802084B2 · kind B2 · utility
0Cited by
0References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 16, 2016 |
| Grant date | Oct 13, 2020 |
| Priority date | — |
| Expiry date | Feb 8, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H7/042
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The open-phase condition of a standby power transformer is detected by monitoring functions of the phase currents. The functions have parameters calculated based on reference currents, which constitute a “fingerprint” when all the phases are connected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.