Whip antenna high voltage protection device

Electricity: electrical systems and devices – Safety and protection of systems and devices

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Details

361 56, 361118, 361 91, 343900, 343904, 343749, H02H 904

Patent

active

045133387

ABSTRACT:
A high voltage protection device for protecting personnel from injury or th as well as damage to radios and vehicles when a whip antenna comes in contact with overhead high voltage power lines or the like and comprises a high voltage coaxial capacitance device which is coupled in series between the upper and lower section of a whip antenna. The capacitive reactance of the capacitance device is very high at power line frequencies and relatively low at RF frequencies. The capacitance element is comprised of two concentric cylindrical conductors formed in a fiberglass shell and separated from one another by a dielectric such as polytetra fluorethylene.

REFERENCES:
patent: 2681412 (1954-06-01), Webster
patent: 3852757 (1974-12-01), Kaiser
patent: 4092646 (1978-05-01), Newington
patent: 4459597 (1984-07-01), Blaese

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