Device for measuring an electrical current in a conductor using

Details Device for measuring an electrical current in a conductor using Device for measuring an electrical current in a conductor using

1993-09-01

1995-08-15

Nguyen, Vinh P.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With coupling means

324117R, G01R 3300, H01F 4006

Patent

active

054422809

ABSTRACT:
A Rogowski coil is used as a precise current and temperature measuring device (in particular a device that is highly insensitive to temperature variations). The Rogowski coil is of the type including at least one printed circuit plate provided with a circular cutout. The coil is implemented by metal deposits on each of the two faces of the plate and extending along radii such that geometrical projections thereof pass through the center of the cutout. Electrical connections between the radii on one face and those on the opposite face are implemented by plated-through holes that pass through the thickness of the plate.

REFERENCES:
patent: 4473810 (1984-09-01), Souques et al.
patent: 4939449 (1990-07-01), Cattaneo et al.
patent: 5055816 (1991-10-01), Altman et al.
Japanese Patent Abstract 60-93325 dated May 25, 1985.
French Search Report FR 9210801.

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