Systems and methods for detecting over/under excitation faults
US9164148B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2013 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Dec 5, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R19/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
System, methods, and computer-readable storage media that may be used to detect excitation faults for electrical devices, such as generators and/or condensers, connected in a parallel configuration are provided. A method includes determining a change in a terminal voltage of one of the electrical devices with respect to a steady state terminal voltage. The method further includes determining a change in a reactive power of the electrical device with respect to a steady state reactive power. The method further includes determining whether an excitation fault condition exists based on the determined changes in terminal voltage and reactive power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.