Optical fibre interferometric electric current measuring device

Details Optical fibre interferometric electric current measuring device Optical fibre interferometric electric current measuring device

1983-03-09

1985-09-17

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Magnetic saturation

324 96, G01R 1900

Patent

active

045423385

ABSTRACT:
Optical fibre interferometer for measuring a current carried by a high voltage line of the type comprising a winding traversed by a feedback current, having at least one base at earth potential, incorporating the interferometer core and the feedback winding, an insulating member and a measuring head mounted on a conductor traversed by the current to be measured. The insulating member is a rigid member forming a support or, in a preferred variant, a tubular insulating member having a flexible wall and provided with skirts made from an insulating material with a rounded "water droplet" profile.

REFERENCES:
patent: 3964020 (1976-06-01), Dickerson
patent: 4370612 (1983-01-01), Puech et al.

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