Device for measuring extra high voltage line current

Details Device for measuring extra high voltage line current Device for measuring extra high voltage line current

G - Physics

01

R

324/29

G01R 19/00 (2006.01) G01R 19/25 (2006.01)

Patent

CA 1058708

ABSTRACT OF THE DISCLOSURE: A ferromagnetic element tuned oscillator is located close to a current carrying conductor and is provided with a power supply energizing source. The information carried by the electro-magnetic wave from an extra high voltage potential tuned oscillator is transmitted to a receiver at ground level together with a frequency measuring device. A frequency dis- criminator converts the received signal frequency variations into an output signal which is an analogue of the current flow- ing in the extra high voltage conductor. The output signal from the tuned oscillator can be transmitted either through free space or a dielectric wave guide, which provides the necessary isolation between the extra high voltage conductor and the re- ceiver.

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