Shielded fiber optics cable for compatibility with high voltage

Details Shielded fiber optics cable for compatibility with high voltage Shielded fiber optics cable for compatibility with high voltage

1994-03-15

1997-11-11

Healy, Brian

Optical waveguides

Optical transmission cable

With electrical conductor in the same cable

385100, 174 681, 174 70R, G02B 644

Patent

active

056872712

ABSTRACT:
Method and apparatus are presented for providing an electric field-free region for fiber optic cables in near proximity to high voltage power lines by means of a conducting electrical shield at the same voltage as the power line. An electric field-free region is still provided even if the electrical shield is omitted, by having the wires of the power line completely surround the fiber optic cable. An electric field-free region is also provided by embedding the optical fiber inside each wire of the power line. The electric field free region for a fiber optic cable prevents electrical treeing and other undesirable effects that would make the cable inoperable.

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