Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation
Patent
1987-06-12
1988-03-01
Pellinen, A. D.
Electricity: electrical systems and devices
Safety and protection of systems and devices
High voltage dissipation
361120, H02H 900
Patent
active
047290552
ABSTRACT:
The surge protection element comprises an inert gas-filled protective device with electrodes inserted between two line input terminals, these terminals being connected respectively to branch terminals of an installation to be protected. The surge protection element also comprises initial protection apparatus, intended to be inserted between the terminals of the installation to be protected, and having a response time and a voltage threshold below that of said protective device, and also decoupling apparatus connected in series between the terminals of the protective device and those of the initial protection apparatus. The decoupling apparatus are capable of causing the voltage to rise at the terminals of the protective device when the current strength passing through the initial protection means increases, whereby the protective device can be tripped and can take over from the initial protection apparatus.
REFERENCES:
patent: 4262317 (1981-04-01), Baumbach
patent: 4314304 (1982-02-01), Baumbach
patent: 4424546 (1984-01-01), Smith
J.T.R. Japan Telecommunications Review, vol. 27, No. 1, Jan. 1985, pp. 30-33, Shunzo Morishita.
Dorival Michel
Macanda Christian
Compagnie Industrielle de Tubes et Lampes Electriques CITEL
Deboer Todd E.
Pellinen A. D.
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