ZA771956B - Vacuum circuit breaker control circuit - Google Patents

Vacuum circuit breaker control circuit

Info

Publication number
ZA771956B
ZA771956B ZA00771956A ZA771956A ZA771956B ZA 771956 B ZA771956 B ZA 771956B ZA 00771956 A ZA00771956 A ZA 00771956A ZA 771956 A ZA771956 A ZA 771956A ZA 771956 B ZA771956 B ZA 771956B
Authority
ZA
South Africa
Prior art keywords
breaker control
control circuit
vacuum
circuit
circuit breaker
Prior art date
Application number
ZA00771956A
Inventor
G Auton
Original Assignee
Brush Switchgear
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 Brush Switchgear filed Critical Brush Switchgear
Publication of ZA771956B publication Critical patent/ZA771956B/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • H02H7/222—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for switches
    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/668—Means for obtaining or monitoring the vacuum
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/06—Details with automatic reconnection
ZA00771956A 1977-01-31 1977-03-31 Vacuum circuit breaker control circuit ZA771956B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3855/77A GB1569778A (en) 1977-01-31 1977-01-31 Vacuum circuit breaker control circuit

Publications (1)

Publication Number Publication Date
ZA771956B true ZA771956B (en) 1978-03-29

Family

ID=9766193

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00771956A ZA771956B (en) 1977-01-31 1977-03-31 Vacuum circuit breaker control circuit

Country Status (4)

Country Link
JP (1) JPS5396475A (en)
GB (1) GB1569778A (en)
NL (1) NL7704310A (en)
ZA (1) ZA771956B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2279516B (en) * 1993-06-30 1996-07-24 Schlumberger Ind Ltd Electricity supply control systems
CN102394492A (en) * 2011-09-29 2012-03-28 安徽鑫龙电器股份有限公司 Circuit breaker closing protection device and closing protection method

Also Published As

Publication number Publication date
JPS5396475A (en) 1978-08-23
GB1569778A (en) 1980-06-18
NL7704310A (en) 1978-08-02

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