Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Using radiant energy
Patent
1984-09-04
1986-09-23
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Using radiant energy
324105, 350376, 350377, 356368, G01R 1507, G02F 109
Patent
active
046138110
ABSTRACT:
A magneto-optical current sensor for measuring current flowing through a conductor, characterized by at least two components. One component is parallel to the direction of current flow and is proximate to a source of magnetic field. The other component is perpendicular to that direction and includes a surface in contact with said one component. One of the components having a reflective surface for reflecting a polarized light beam between components whereby a light signal is produced that is compensated for temperature, loop degradation, and linearity.
REFERENCES:
patent: 3784281 (1973-03-01), Kuse
patent: 4563639 (1986-01-01), Langeac
patent: 4564754 (1986-01-01), Sato et al.
Erickson, D., "The Use of Fiber Optics for Communications, Measurement and Control Within High Voltage Substations" IEEE Trans., vol. PAS-99, No. 3, May, 1980.
Asars Juris A.
Chen Cheng-Lin
Vaerewyck Eugene G.
Baker Stephen M.
Eisenzopf Reinhard J.
Johns L. P.
Westinghouse Electric Corp.
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