Non-contact voltage sensing system
US11137421B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 7, 2020 |
| Grant date | Oct 5, 2021 |
| Priority date | — |
| Expiry date | May 7, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H3/046
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An energy metering system includes a plurality of current sensors suitable to sense current levels in a respective power conductor and each of said plurality of current sensors providing a respective first signal indicating respective the current levels. The energy metering system includes a plurality of non-contact voltage sensors suitable to sense voltage levels in a respective power conductor and each of the plurality of non-contact voltage sensors providing a respective second signal indicating respective the voltage levels. The energy metering system includes a monitoring device that receives each of the respective first signals and receives each of the respective second signals, and the monitoring device provides an indication of whether a circuit breaker has tripped based upon a respective first signal corresponding with one of the power conductors and whether the second signal indicates an insubstantial voltage level for the corresponding one of the power conductors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.