Monitoring system for power lines and right-of-way using remotel

Details Monitoring system for power lines and right-of-way using remotel Monitoring system for power lines and right-of-way using remotel

1987-09-11

1989-04-04

Brigance, Gerald L.

Communications: electrical

Continuously variable indicating

Combined

340310R, 364433, 364456, G08C 906, G08C 1922

Patent

active

048189901

ABSTRACT:
A monitoring system using a unique remotely piloted drone with dual counter rotating propellers and carrying electric field sensing, thermal infra-red imaging, video imaging, acoustic and corona discharge sensing equipment. The compact remotely piloted drone flies along a power corridor and is maintained at a fixed distance from an outer phase conductor using on board electric field detection circuitry, video/infra-red imagery and an RF/laser altimeter.
The counter rotating, twin-turbo driven configuration for the propellers mounted on coaxial vertical shafts provides a highly stable platform, unlike conventional manned helicopters presently used for routine right-of-way patrols. Dual, counter-rotating saucer-shaped auxiliary propellers provide a degree of stability far superior to a conventional helicopter, particularly in gusty winds. On board sensors and video cameras would permit electric utilities an economic approach to right-of-way monitoring, inspection of frayed conductors or deteriorated splices through infra-red sensing, detection of cracked insulators through acoustic/corona sensors, monitoring of critical, thermally limiting spans and other monitoring functions.

REFERENCES:
patent: 4299483 (1981-11-01), Grove et al.
patent: 4384289 (1983-05-01), Stillwell et al.
patent: 4611207 (1986-09-01), Anderson et al.
patent: 4635055 (1987-01-01), Fernandes et al.
patent: 4668950 (1987-05-01), Russell, Jr. et al.
patent: 4700307 (1987-10-01), Mons et al.

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