ZA772344B - Improvements in or relating to gasblast circuit breakers - Google Patents

Improvements in or relating to gasblast circuit breakers

Info

Publication number
ZA772344B
ZA772344B ZA00772344A ZA772344A ZA772344B ZA 772344 B ZA772344 B ZA 772344B ZA 00772344 A ZA00772344 A ZA 00772344A ZA 772344 A ZA772344 A ZA 772344A ZA 772344 B ZA772344 B ZA 772344B
Authority
ZA
South Africa
Prior art keywords
relating
circuit breakers
gasblast
gasblast circuit
breakers
Prior art date
Application number
ZA00772344A
Inventor
D Muret
Original Assignee
Ass Elect Ind
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ass Elect Ind filed Critical Ass Elect Ind
Publication of ZA772344B publication Critical patent/ZA772344B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/045—Means for extinguishing or preventing arc between current-carrying parts for arcs formed during closing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
ZA00772344A 1976-05-04 1977-04-18 Improvements in or relating to gasblast circuit breakers ZA772344B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18161/76A GB1559498A (en) 1976-05-04 1976-05-04 Gas-blast circuit breakers

Publications (1)

Publication Number Publication Date
ZA772344B true ZA772344B (en) 1978-03-29

Family

ID=10107695

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00772344A ZA772344B (en) 1976-05-04 1977-04-18 Improvements in or relating to gasblast circuit breakers

Country Status (3)

Country Link
DE (1) DE2719135A1 (en)
GB (1) GB1559498A (en)
ZA (1) ZA772344B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847808C2 (en) * 1978-11-02 1986-04-10 Siemens AG, 1000 Berlin und 8000 München Contact arrangement for pressure gas switch
DE3134200A1 (en) * 1981-08-27 1983-03-10 Siemens AG, 1000 Berlin und 8000 München ELECTRIC SWITCH
GB9126508D0 (en) * 1991-12-13 1992-02-12 Gec Alsthom Ltd Synthetic test circuits for short-circuit testing of high-voltage alternating current circuit-breakers,and triggered spark gaps for use in such circuits
DE10125100A1 (en) * 2001-05-23 2002-11-28 Abb Patent Gmbh High voltage power switch quenching chamber has piston displaced to give additional heating volume if force resulting from heating volume gas pressure, piston area exceeds bias force
DE10125101A1 (en) * 2001-05-23 2002-11-28 Abb Patent Gmbh High voltage power switch quenching chamber has flap arrangement between heating and compression volumes that opens if compression volume pressure exceeds heating volume pressure

Also Published As

Publication number Publication date
DE2719135A1 (en) 1977-11-24
GB1559498A (en) 1980-01-23

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