Device for measuring an electric current in a cable
US9267970B2 · kind B2 · utility
3Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2012 |
| Grant date | Feb 23, 2016 |
| Priority date | — |
| Expiry date | Sep 21, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R15/186
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for measuring an electric current flowing in a cable, including a flexible Rogowski coil, secured to actuating means for moving the coil to an open position for engagement around a cable, and a closed position to surround the cable, a magnetic circuit, with a winding around the magnetic circuit, for closing around the cable when the coil is in the closed position. The coil in the closed position, may have a non-wound area of predefined length with an overwinding at each opening end of the coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.