High voltage high frequency analog signal measuring system

Details High voltage high frequency analog signal measuring system High voltage high frequency analog signal measuring system

1979-04-30

1981-10-13

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Using radiant energy

324120, 324126, 34087029, G01R 1926, G01R 1504

Patent

active

042950945

ABSTRACT:
Two phase-locked loop (PLL) solid state devices are used in conjunction with a fiber optics transmitter-receiver link in order to derive at a remote location an analog signal which is a representation of an inputted analog signal. Frequency-modulation is used in an analog signal measurement context to provide a bandwidth extending from direct current to a frequency of the order of 125 kHz. The transmitter portion is integrated within the base enclosure of a high voltage coupling capacitor connected between a high voltage power line and ground to provide high voltage protection and measurement capability for high frequency high voltage transients or surges in relation to high voltage power lines from the remote location.

REFERENCES:
patent: 3963931 (1976-06-01), Shapiro
Signetics App. Handbook; pp. 6-1 to 6-64; pub. by Patti Foley, 645 Stewart Ave., Garden City, N.Y. 11530.
Nourse, G.; "An Automatic . . . "; IEEE Power System 1978--Power Eng. Soc. Summer Meeting; Jul. 16, 1978; Los Angeles, Calif.
Harvey, J. T.; "An FM Terminal . . . "; AWA Tech. Review; vol. 16; No. 2; 1977; pp. 53-57.

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