Grounding device for power lines

Details Grounding device for power lines Grounding device for power lines

1991-12-11

1993-10-19

Hoff, Marc S.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific transmission line

174 40R, 361 56, H02G 718

Patent

active

052551504

ABSTRACT:
A grounding device is automatically operable to create a short circuit in the event of a mechanical fault on a pole line. The grounding device is placed below, and close to, each phase line on a pole line. When the phase line moves down, because of a broken wire or the like, the wire engages a sensing member which moves down and causes projection of a grounding tongue. The sensing member has surfaces that direct the wire to a contact area; and, the wire moves the sensing member down, causing projection of a grounding tongue, which will contact the phase line. Before actuation, the tongue, and all portions at ground potential, are enclosed within an insulating housing. A transmitter may also be actuated to broadcast the location of the grounding device.

REFERENCES:
patent: 304087 (1884-08-01), Edison
patent: 556823 (1896-03-01), Jewett
patent: 928431 (1909-07-01), Elliot
patent: 4616287 (1986-10-01), Reedy

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