GB1227729A - - Google Patents

Info

Publication number
GB1227729A
GB1227729A GB1227729DA GB1227729A GB 1227729 A GB1227729 A GB 1227729A GB 1227729D A GB1227729D A GB 1227729DA GB 1227729 A GB1227729 A GB 1227729A
Authority
GB
United Kingdom
Prior art keywords
blades
contacts
resistors
high voltage
contact blades
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1227729A publication Critical patent/GB1227729A/en
Expired legal-status Critical Current

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
    • H01H33/16—Impedances connected with contacts
    • H01H33/166—Impedances connected with contacts the impedance being inserted only while closing the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
    • H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
    • H01H31/30—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact actuated through the movement of one or more insulators

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
GB1227729D 1968-10-18 1969-09-17 Expired GB1227729A (US20100056889A1-20100304-C00004.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76882568A 1968-10-18 1968-10-18

Publications (1)

Publication Number Publication Date
GB1227729A true GB1227729A (US20100056889A1-20100304-C00004.png) 1971-04-07

Family

ID=25083589

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1227729D Expired GB1227729A (US20100056889A1-20100304-C00004.png) 1968-10-18 1969-09-17

Country Status (2)

Country Link
US (1) US3576414A (US20100056889A1-20100304-C00004.png)
GB (1) GB1227729A (US20100056889A1-20100304-C00004.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2430075A1 (fr) * 1978-06-26 1980-01-25 Ave Belli Andrea Interrupteur electrique avec extinction de l'arc de rupture de contact

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697712A (en) * 1971-01-07 1972-10-10 S & C Electric Co High voltage switch with preinsertion resistor connected in the circuit through graphite corona balls
US4695918A (en) * 1986-07-24 1987-09-22 S&C Electric Company Pre-insertion inductor arrangement
US4788390A (en) * 1988-04-26 1988-11-29 Siemens Energy & Automation, Inc. Shunt capacitor switch with an impedance insertion element
FR2668647B1 (fr) * 1990-10-26 1992-12-24 Gec Alsthom Engergie Inc Sectionneur a insertion de resistance.
US6483679B1 (en) 2001-06-18 2002-11-19 Southern States, Inc. Capacitor switch with external resistor and insertion whip
US8445805B2 (en) 2011-01-07 2013-05-21 Michael David Glaser Vacuum switch with pre-insertion contact
US10170255B1 (en) 2018-06-26 2019-01-01 Michael D. Glaser Vacuum capacitor switch with pre-insertion contact

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB430452A (en) * 1934-03-28 1935-06-19 John Swinney Improvements relating to electric circuit interrupters
GB530338A (en) * 1939-06-21 1940-12-10 British Thomson Houston Co Ltd Improvements relating to gas blast electric circuit breakers
US2710322A (en) * 1953-08-17 1955-06-07 Eastern Power Devices Ltd Circuit interrupter
CH359188A (de) * 1958-06-11 1961-12-31 Sprecher & Schuh Ag Trennschalter zum Abschalten von Lastströmen, insbesondere für Höchstspannungsanlagen
US3235694A (en) * 1962-11-13 1966-02-15 Ite Circuit Breaker Ltd High voltage double break air switch with damping resistors
US3291947A (en) * 1964-06-12 1966-12-13 Westinghouse Electric Corp Interrupting structures for compressedgas circuit interrupters having double-break hollow rotative moving contact-arm assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2430075A1 (fr) * 1978-06-26 1980-01-25 Ave Belli Andrea Interrupteur electrique avec extinction de l'arc de rupture de contact

Also Published As

Publication number Publication date
US3576414A (en) 1971-04-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees