Electrical power systems
US10916930B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2017 |
| Grant date | Feb 9, 2021 |
| Priority date | — |
| Expiry date | Nov 4, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H7/26
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In the field of electrical power systems there is provided a method of supervising the operation of a plurality of current transformers that are arranged in respective current transformer within differing protection zones of a multi-phase electrical power system. The method of supervising comprises the steps of: (a) identifying a faulty protection zone within the electrical power system; (b) identifying a faulty current transformer group within the faulty protection zone; and (c) identifying faulty phase(s) within the faulty current transformer group within the faulty protection zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.