System and method of sensing current in high voltage transmissio

Details System and method of sensing current in high voltage transmissio System and method of sensing current in high voltage transmissio

1979-10-04

1983-02-15

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Using radiant energy

324126, G01R 1900, G01R 1504

Patent

active

043743595

ABSTRACT:
A system and a method for sensing and reproducing a measured current value on a high voltage transmission line. An input shunt means senses a current to be measured. A transmitter circuit transmits a sampled current value of the current passing through the shunt means. The transmitter has converter circuits for reproducing a composite output digital coded signal representative of the sample current value. A light transmitting output means is provided for transmission of the composite output digital coded signal on an optical fiber transmission line to a receiver circuit. The receiver circuit has decoding circuit means for decoding and reconstituting the coded signal to a usable form to determine the sampled current value.

REFERENCES:
patent: 3461384 (1969-08-01), Bayati et al.
patent: 3952247 (1976-04-01), Horichi
patent: 4034289 (1977-07-01), Rozylowicz et al.

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