Arc fault detection with sense wire monitoring
US11016133B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2018 |
| Grant date | May 25, 2021 |
| Priority date | — |
| Expiry date | Jul 28, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H3/30
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of identifying an arc fault in a wire operably connected between a controller and a load. The method includes operably connecting a sense wire to the wire in close proximity to a load supplied by the controller via the wire, measuring a first voltage on the wire at the load via the sense wire, measuring a second voltage on the wire at an output interface of the controller and measuring a current in the first wire. The method also includes identifying any differences between the voltage on the wire measured at the load and the second voltage on the wire measured at the output interface, ascertaining any anomalies in the current measured in the wire, and correlating the differences between the first voltage and the second voltage with any anomalies in the current to identify an arc fault.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.