Electricity: electrical systems and devices – Safety and protection of systems and devices – Arc suppression at switching point
Patent
1998-10-19
2000-06-20
Leja, Ronald W.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Arc suppression at switching point
361134, 218 59, H01H 3372
Patent
active
060784857
ABSTRACT:
A medium- and high-voltage gas-insulated circuit breaker with arc quenching capability, comprising an electrical contact which is provided with a fixed element and with a movable element which can be mutually coupled and which form, upon separation, an arc channel into which a blast of gas is introduced which is generated by a gas chamber provided with an orifice which is controlled by a valve. The particularity of the invention is constituted by the fact that the valve is driven by the current that flows across the electrical contact.
REFERENCES:
patent: 3728507 (1973-04-01), Floessel et al.
patent: 4221942 (1980-09-01), Hertz et al.
Abb Sace T.M.S. S.p.A.
Josif Albert
Leja Ronald W.
Modiano Guido
O"Byrne Daniel
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