Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1992-11-16
1994-03-22
Gaffin, Jeffrey A.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200145, H01H 3382, H01H 3314
Patent
active
052966615
ABSTRACT:
A hybrid circuit-breaker for interrupting currents having high DC components, said hybrid circuit-breaker comprising a compressed-air circuit-breaker that re-closes automatically, and a sulfur hexafluoride circuit-breaker, the circuit-breakers being disposed in series.
REFERENCES:
patent: 2894100 (1959-07-01), Hoffman
patent: 3227924 (1966-01-01), Wutz
patent: 4204101 (1980-05-01), Dethlefsen
patent: 4216513 (1980-08-01), Tokuyama et al.
patent: 4531031 (1985-07-01), Freeman et al.
Arandel Jean-Pierre
Jeanjean Robert
Pham Van Doan
Scarato Armand
Friedhafer Michael A.
Gaffin Jeffrey A.
GEC Alsthom SA
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