Lightning protection device for interacting with leader stroke t

Details Lightning protection device for interacting with leader stroke t Lightning protection device for interacting with leader stroke t

1985-03-21

1990-05-15

Shoop, Jr., William M.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361126, H02H 322

Patent

active

049262840

ABSTRACT:
An atmospheric electrode is charged by electrostatic induction from a leader stroke which is associated with lightning formation. The electrode is earthed through a varistor which becomes conductive when the value of the tension associated to the electric field at ground exceeds a pre-determined value. In this way, a destructive return stroke, which usually follows a leader stroke during lightning formation, is avoided.

REFERENCES:
patent: 623033 (1899-04-01), Raunacher
patent: 911260 (1909-02-01), Pennock
patent: 3863111 (1975-01-01), Martzloff
patent: 4016462 (1977-04-01), Pavliny
patent: 4035693 (1977-07-01), Luxa et al.
patent: 4227229 (1980-10-01), Imataki
patent: 4233641 (1980-11-01), Baumbach
patent: 4326233 (1982-04-01), Yanabu et al.
patent: 4463404 (1984-07-01), Hassan

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