Faulted current indicators with improved signal to noise ratios

Details Faulted current indicators with improved signal to noise ratios Faulted current indicators with improved signal to noise ratios

1989-06-05

1992-03-17

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With coupling means

324117R, 336175, 336212, G01R 120, H01F 2724

Patent

active

050972022

ABSTRACT:
In a sensor for sensing current in a conductor, a magnetic laminar arrangement adapted to surround the conductor passes through a coil. Inside the coil the laminar arrangement forms a gap with two projections extending transverse to lamina within the arrangement and facing each other. In one embodiment the coil drives a display to form part of a fault indicator.

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patent: 4939449 (1990-07-01), Cattaneo et al.
patent: 4947108 (1990-08-01), Gudel

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