Transformer-rated electrical meter arrangement with isolated electrical meter power supply
US9766271B2 · kind B2 · utility
1Cited by
13References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 7, 2014 |
| Grant date | Sep 19, 2017 |
| Priority date | — |
| Expiry date | Jul 15, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R22/061
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electrical circuit protecting an electrical utility meter used in connection with an electrical supply connection having a plurality of phases is disclosed. The circuit includes a plurality of voltage transformers, each of the plurality of voltage transformers electrically connected between one of the plurality of phases of the electrical supply connection and an input power connection of an electrical meter, and an electrical connection of the electrical meter dedicated to a power supply of the electrical meter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.