Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1979-01-29
1981-10-06
Macon, Robert S.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200148R, 200148F, H01N 3314, H01N 940
Patent
active
042937477
ABSTRACT:
A generally cross-shaped, or "T"-shaped circuit-interrupter assemblage is provided having three outwardly radiating supporting arms, or members, within each of which is disposed a puffer-type compressed-gas circuit-interrupting unit. Common contact-operating means are provided at the common point of intersection of the three arms, or legs, so that simultaneous operation of the three puffer-type interrupters is accomplished. The electrical circuit passes serially through each of the three puffer-interrupting structures to thereby provide a high-voltage circuit-interrupter adaptable for voltages of the order of 345 KV, for example.
An additional feature of the present invention is the provision of a common rotatable operating disc having pivotally connected thereto, adjacent its outer periphery, floating-connecting link structure, each of the three floating links being pivotally connected to the respective movable contact-operating rod of each of the three puffer-type interrupting units. An additional operating, or "pull" rod connected adjacent the periphery of the common rotatable operating disc acts as a common pull-rod extending to ground potential to thereby enable the operation of said disc at high voltage.
An additional feature of the present invention is the provision of a closing resistance, when desired, for each of the three puffer-type circuit-interrupters. Still a further feature of the invention is the provision of two such cross-shaped, or "T"-shaped interrupting structures for the provision of six serially-related breaks for extremely high voltages, such as 550 KV or 765 KV, for example.
REFERENCES:
patent: 2913559 (1959-11-01), Cromer
patent: 3291947 (1966-12-01), Van Sickle
patent: 3352988 (1967-11-01), Wachta et al.
patent: 3567887 (1971-03-01), Maloney
patent: 3674959 (1972-07-01), Clark
patent: 3679851 (1972-07-01), Latour et al.
patent: 3846601 (1974-11-01), Leeds
Macon Robert S.
Westinghouse Electric Corp.
Yatsko M. S.
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